Entries |
Document | Title | Date |
20080201066 | Road Traffic Information Communicating System and Method - A control section ( | 08-21-2008 |
20080215233 | ROAD INFORMATION PROVISION SYSTEM, ROAD INFORMATION PROVISION APPARATUS, AND ROAD INFORMATION GENERATION METHOD - An object of the invention is to provide a traffic information provision system which can arbitrarily set a position resolution and a traffic representation resolution and flexibly support a traffic information prediction service. | 09-04-2008 |
20080234921 | Navigation device assisting road traffic congestion management - A navigation device has a GPRS receiver for receiving real-time information about slow traffic flow or slow average speed on a stretch of motorway, indicating congestion. The device calculates a new itinerary to avoid the congestion, based on historically recorded speeds on secondary roads weighed by the current average speed in the congestion area. | 09-25-2008 |
20080270014 | Apparatus, method, and program for generating road information - History information for the history of vehicle travel on a road is obtained. Traffic-volume information indicating a traffic volume on the road is obtained based on the history information that has been stored in at least a predetermined amount. When the traffic volume on the road during a predetermined period is smaller than a predetermined reference value indicating a difficulty of passage, road-selection information for avoiding that road is generated. | 10-30-2008 |
20080275629 | SELECTING ROUTE ACCORDING TO TRAFFIC INFORMATION - A method and apparatus for selecting a travel route in which first and second positions values for searching a travel route are received, and travel prediction information of all road sections from a first position to a second position are calculated by applying a pre-set weight value to each road section according to at least one of current traffic congestion status information and predicted traffic congestion status information from the first position to the second position that correspond to the first and second position values. | 11-06-2008 |
20080288163 | On-Vehicle Navigation System - The present invention provides an on-vehicle navigation system in which a user can perform predetermined driving using a special lane such as a carpool lane appropriately and without anxiety where advancing from a normal lane in a predetermined advancing authorized section and exiting to the normal lane in a predetermined exiting authorized section are authorized. The system includes a remaining number notifying section for notifying the user of the remaining number of at least one of an exiting authorized section for exiting from a special lane to the normal lane and an advancing authorized section for advancing to the special lane from a normal lane, between a vehicle position detected by a vehicle position calculation section and an interchange point or an exit of a plural-lane road including the special lane and the normal lane which exists on a recommended route, in performing route guidance of the vehicle. | 11-20-2008 |
20080300776 | Traffic lane management system - A management system for a traffic lane achieves congestion management objectives by dynamically predicting future vehicle density in a traffic lane and assigning to a requesting user a time slot for entering the traffic lane selected independent of any user requested time and based at least in part on a current prediction about future vehicle density in the traffic lane. The current prediction is based at least in part on predicted trajectories of vehicles, which are determined in turn based at least in part on actual trajectories of vehicles. | 12-04-2008 |
20080306678 | Travel History Collection System And Terminal Side Device Used For It - A travel history collection system includes a terminal side device and a center side device capable of communicating with the terminal device. The terminal device includes the following components. A vehicle information acquisition part acquires a travel history of a vehicle. A short-range wireless communication means and a wide-range wireless communication means are used to transmit the acquired travel history to a center device. A travel history transmission part transmits the travel history to the center device via the short-range wireless communication means when the travel history can be transmitted via the short-range wireless communication means, and via the wide-range wireless communication means when the travel history cannot be transmitted via the short-range wireless communication means. The center device receives the travel history from the terminal device via the wide-range wireless communication antenna and the road side unit so as to reduce the load on wide-range wireless communication, and to accurately collect a travel history from each terminal device at real time. Thus, latest travel histories can be collected efficiently. | 12-11-2008 |
20080312811 | TRAFFIC INFORMATION PROVIDING SYSTEM AND METHOD FOR GENERATING TRAFFIC INFORMATION - The invention relates to a method for generating traffic information to be used in a car navigation system, comprising the steps of acquiring traffic information data including information relating to a travel time of links making up a road on a map and for acquiring map data relating to the link, the map data comprising at least information on a road type of the link and checking if a volume of the traffic information data available in is sufficient for performing a statistical estimate for the travel time. In order to enhance the traffic information generated, it is proposed to use the steps of checking if the volume of traffic information data relating to links located in a target area is sufficient and adapting a size of the target area depending on the amount of available traffic information data. | 12-18-2008 |
20080319639 | Predictive Traffic Information Creating Method, Predictive Traffic Information Creating Apparatus, and Traffic Information Display Terminal - There is provided a predictive traffic information creating method for a predictive traffic information creating apparatus connected via a communication network to a traffic information center that delivers live traffic information regarding a predetermined road network at a predetermined time interval; includes an information processor and information storage for storing at least statistical traffic information regarding links included in the road network; and when an incident occurs in the road network, creates predictive traffic information regarding after the incident. The method includes, on the information processor, receiving the live traffic information delivered from the traffic information center, and detecting the incident in the road network based on the received live traffic information; setting predictive environment parameters including parameters regarding traffic restriction in accordance with the detected incident; and creating the predictive traffic information at a time after the incident occurs based on the set predictive environment parameters and the statistical traffic information. | 12-25-2008 |
20090018761 | Traffic lane management system - A management system for a managed vehicle traffic lane adaptively and selectively extends authorization to use the lane to lower priority vehicle service classes when extension can be done without adversely impacting higher priority vehicle service classes. The management system offers significant quality of life improvement for motorists in congested urban areas by improving throughput of managed and unmanaged lanes and reducing travel times and fuel consumption. | 01-15-2009 |
20090024309 | SYSTEM AND METHOD FOR MONITORING VEHICLES ON A ROADWAY - A system and method for tracking and monitoring vehicles on a roadway. RFID tags are positioned along the roadway and may be interrogated by vehicles equipped with an RFID scanner and a transceiver as the vehicles encounter the RFID tags along the roadway. The RFID tag information received by the RFID scanner is transmitted by the transceiver to a roadside repeater station which in turn sends the RFID tag information, as well as other identifying information, to a remote central tracking station. The remote central tracking station processes the RFID tag information and other information to determine a current position of a corresponding vehicle. Driver ranking profiles may be generated for drivers of vehicles and stored in a database in the central tracking station. The driver ranking profiles are used to restrict drivers in certain ways. | 01-22-2009 |
20090037089 | Method for determining traffic information, and a device arranged to perform the method - The present application relates to a method for determining traffic information. In at least one embodiment, the method includes receiving at least one photograph of a portion of the earth's surface comprising at least one road segment using an input/output device, recognizing a number of vehicles on the at least one road segment in the at least one received photograph using a processor unit, and determining traffic information based on the at least one recognized vehicle. | 02-05-2009 |
20090048769 | Method and system for partitioning a continental roadway network for an intelligent vehicle highway system - An intelligent vehicle highway system collects and provides real-time traffic data to a vehicle traveling on a continental roadway network. A digitized continental roadway network has nodes interconnected by links that define a digitized representation of the continental roadway network. To enable intelligent data collection and navigation over large expanses of the continental network, which would otherwise be computationally onerous, the digitized continental roadway network is partitioned into a plurality of digitized roadway subnetworks. The onboard vehicle navigation device has a processor for executing an application that instantiates a subset of the digitized roadway subnetworks in a vicinity of a current position of the vehicle to collect and provide relevant real-time traffic data to the vehicle in a computationally efficient manner. | 02-19-2009 |
20090088959 | Parking support systems, parking support methods, and parking support programs - Parking support systems, methods, and programs store road information and obtain information regarding a vacant space on a road. The systems, methods, and programs calculate parking availability in a predetermined area specified by the stored road information based on the obtained information; and provide notification of the calculated parking availability. | 04-02-2009 |
20090099760 | METHOD AND SYSTEM FOR EXPANSION OF REAL-TIME DATA ON TRAFFIC NETWORKS - A method and structure of estimating traffic in a network. A real-time estimate of the network traffic is calculated, based on limited real-time data about the network traffic calculated in an offline phase and limited real-time data received in a real-time phase. | 04-16-2009 |
20090105934 | DESTINATION PREDICTION DEVICE AND DESTINATION PREDICTION METHOD - To provide a destination prediction device that predicts a destination of a mobile body without being dependent on the availability of a history of the destination. | 04-23-2009 |
20090125219 | Method and apparatus for providing transportation status information and using it - A method and apparatus for providing road status information and using the same are disclosed. A method for encoding traffic information includes the steps of: generating message management information including message identification (ID) information indicating that the traffic information is status information; generating status information including traffic status information; generating location information corresponding to the traffic status information; and generating a traffic information message including the message management information, the status information, and the location information. Therefore, the method provides a vehicle driver who travels along a traffic-jam road or congested road with road traffic status information in real time, such that the vehicle driver can arrive a desired destination within the shortest time using predicted road traffic information. | 05-14-2009 |
20090143966 | METHODS, APPARATUSES, AND COMPUTER PROGRAM PRODUCT FOR TRAFFIC DATA AGGREGATION USING VIRTUAL TRIP LINES AND GPS-ENABLED MOBILE HANDSETS - A device for determining when a virtual trip line has been crossed or traversed is provided. The device includes a memory for storing the virtual trip lines which are defined pairs of location descriptors corresponding to a geographic area. The device further includes a processor that is capable of determining the location of the device when it crosses a virtual trip line as well as its speed and direction. The processing element is further capable of sending this information to another electronic device such as a server that may determine a number of vehicles crossing a virtual trip line for a specified amount of time, the average speed of vehicles crossing the virtual trip line and the traffic density in a region near the virtual trip line. The device is capable of receiving the information that was determined by the server. | 06-04-2009 |
20090228193 | WIRELESS BROADCASTING OF DRIVE-TIMES DATA - Either vehicle traffic or financial markets data is regularly broadcast in a fixed size packet over a wireless network in a push manner to one or more wireless receiver devices located within a particular service coverage region. A data center stores information specific to the particular region including drive-times strings metadata, drive-times data, drive-times route metadata, traffic incident data and financial markets indicators data. The data center decides upon a particular type of information to be placed into a payload of a next packet to be broadcast and pre-formats this information accordingly without receiving any information from the receiver devices. Data structures are provided which contain data representing the drive-times strings metadata, drive-times data, drive-times route metadata, traffic incident data and financial markets indicators data. | 09-10-2009 |
20090248286 | TRAFFIC INFORMATION DISTRIBUTION APPARATUS AND TRAFFIC INFORMATION DISTRIBUTION METHOD - In a case where a CPU | 10-01-2009 |
20090271100 | Apparatus and Method for Providing Traffic Jam Information, and Apparatus for Receiving Traffic Jam Information for Automobile - The present invention includes a traffic information collection unit for collecting weight information of a vehicle running on a road and vibration and noise information generated on the road; a traffic jam determination unit for determining a traffic jam and traffic jam type based on the collected weight information, the vibration and noise information; a traffic jam information transceiving unit for transmitting the traffic jam information or the received traffic jam information of a front road to a vehicle on a rear road by receiving the traffic jam information of a front road from another apparatus for providing traffic jam information installed on the front road; and a display unit for displaying the determination result of the traffic jam determination unit, or a traffic condition of the front road. | 10-29-2009 |
20090271101 | TRAFFIC MONITORING SYSTEMS AND METHODS - In an exemplary method, mobile device attribute data is received from a plurality of mobile devices over a network. The mobile device attribute data includes location data representative of a plurality of geographic locations associated with the mobile devices. The method further includes selectively aggregating the mobile device attribute data and generating traffic condition data based at least in part on the mobile device attribute data. The traffic condition data is representative of at least one traffic condition. In certain embodiments, the mobile devices include mobile telephones and the network includes a mobile telephone network. In certain embodiments, the traffic condition data is real time data. In certain embodiments, at least a portion of the traffic condition data is provided for access over the network. | 10-29-2009 |
20090271102 | ON-VEHICLE INFORMATION PROVIDING DEVICE, INFORMATION PROVIDING CENTER, AND INFORMATION PROVIDING SYSTEM - An on-vehicle information providing device for providing information to a driver based on information sent from an information providing center is disclosed. When a vehicle leaves an off-street facility having multiple exits to enter a road, the on-vehicle information providing device performs a first process of sending the information providing center vehicle-side information including information obtained based on starting time and exiting time of the vehicle and information identifying one of the exits selected for the vehicle to leave the facility; and performs a second process of receiving from the information providing center exit status information including exit time lengths calculated for the respective exits by the information providing center based on the vehicle-side information received from multiple vehicles and providing information to the driver based on the received exit status information. | 10-29-2009 |
20090292456 | TRAFFIC INFORMATION GENERATING METHOD, TRAFFIC INFORMATION GENERATING APPARATUS, DISPLAY, NAVIGATION SYSTEM, AND ELECTRONIC CONTROL UNIT - An embodiment provides a traffic information generating method for generating traffic information about a road on which a vehicle travels. A vehicle speed is detected by a vehicle speed sensor at predetermined distance or time intervals. By referring to a prescribed speed, a prescribed distance, and a link determination distance, a congestion degree associated with the vehicle speed is detected. | 11-26-2009 |
20100049428 | TRAVEL TIME CALCULATION SERVER, A TRAVEL TIME CALCULATING APPARATUS USED FOR A VEHICLE AND A TRAVEL TIME CALCULATION SYSTEM - A travel time calculation server is provided which comprises: a probe data reception part | 02-25-2010 |
20100063715 | METHOD AND STRUCTURE FOR VEHICULAR TRAFFIC PREDICTION WITH LINK INTERACTIONS AND MISSING REAL-TIME DATA - A method and apparatus for predicting traffic on a transportation network where real time data points are missing. In one embodiment, the missing data is estimated using a calibration model comprised of historical data that can be periodically updated, from select links constituting a relationship vector. The missing data can be estimated off-line whereafter it can be used to predict traffic for at least a part of the network, the traffic prediction being calculated by using a deviation from a historical traffic on the network. The invention further discloses a method for in-vehicle navigation; and a method for traffic prediction for a single lane. | 03-11-2010 |
20100082226 | System and Methods For Providing Predictive Traffic Information - A method for providing predictive traffic information to global positioning satellite systems on board vehicles includes a plurality of GPS-enabled vehicles, each estimating at least one travel route comprising a plurality of road segments and estimating arrival and exit times for the vehicle in each road segment; calculating an initial road capacity for each road segment; statistically polling a plurality of GPS-enabled vehicles; obtaining at least one of at least one static parameter, at least one dynamic parameter, or at least one catastrophic condition relating to the at least one travel route; and calculating predictive capacity estimates for each road segment for at least one future time interval. | 04-01-2010 |
20100082227 | METHOD FOR DISPLAYING TRAFFIC DENSITY INFORMATION - The present invention relates to displaying traffic density information, from historical traffic density information after determining for which moment in time the traffic density information should be displayed and displaying the traffic density information on a display. | 04-01-2010 |
20100114466 | Route search device and information control server - A route search device includes: a parameter calculator for calculating a parameter of each section in a route; a driving repetition information obtaining element for obtaining driving repetition information in each section from an external server; a parameter changing element for increasing a parameter of first one of the sections when a driving repetition of the first one of the sections is smaller than a first parameter threshold; and a route search element for searching the route to minimize a total of parameters of the sections in the route. | 05-06-2010 |
20100138141 | TRAFFIC INFORMATION GENERATION METHOD, TRAFFIC INFORMATION GENERATION DEVICE, AND NAVIGATION SYSTEM - Disclosed is a traffic information generation method for generating traffic information for each link, the method including a vehicle speed detection step of detecting a vehicle speed at predetermined distance intervals or at predetermined time intervals using a vehicle speed sensor; and a traffic jam degree detection step of referring to a specified speed and a specified distance prescribed in association with a traffic jam degree representing a level of a traffic jam and a connection determination distance prescribed in accordance with a road type to detect the traffic jam degree corresponding to the vehicle speed. When a link length falls within a predetermined range, information on the traffic jam degree corresponding to a fastest vehicle speed within a prescribed starting point distance from a beginning of the link is allocated to the link. | 06-03-2010 |
20100161205 | SYSTEM FOR PROVIDING REAL-TIME TRAFFIC INFORMATION USING WIRELESS NETWORK AND A METHOD THEREOF - The present invention relates to a system for providing real-time traffic information using a wireless network and a method thereof, particularly a system for providing real-time traffic information using a wireless network, by using a wireless network technology for preventing a traffic accident and an accident due to traffic congestion, and a method of providing real-time traffic information using a wireless network. A system for providing real-time traffic information using a wireless network according to an embodiment of the present invention includes: one or more vehicle velocity information collectors that are disposed on a road to establish a wireless network for sharing information, and collect vehicle velocity information of vehicles on the road; and a traffic information provider that receives the vehicle velocity information from the one or more vehicle velocity information collectors and provides a traffic information based on the vehicle velocity information. | 06-24-2010 |
20100174474 | TRAFFIC INFORMATION PROCESSING SYSTEM, STATISTICAL PROCESSING DEVICE, TRAFFIC INFORMATION PROCESSING METHOD, AND TRAFFIC INFORMATION PROCESSING PROGRAM - A navigation device mounted in a vehicle determines a traffic condition when the vehicle travels in a road zone along a facility, and determines whether a payment terminal mounted in the vehicle has made a payment through communication with a facility terminal installed in the facility. If it is determined that a payment has been made through communication, then probe data is generated that associates the traffic condition in the road zone with a payment service of the facility. | 07-08-2010 |
20100191449 | PACKET TRAFFIC CONTROL SYSTEM - A traffic control system includes: a vehicle detection sensor (CS) for detecting a vehicle on a road; a traveling speed command indicator (VI) for indicating a traveling speed command to the vehicle on the road; a vehicle train detection means ( | 07-29-2010 |
20100241344 | TRAFFIC INFORMATION DISTRIBUTING APPARATUS - In a case where a CPU provided in an information distribution center has received, from a navigation apparatus, vehicle information together with a request command for requesting traffic information such as current traffic information, the CPU sets a road category that serves as a distribution target of the traffic information, based on one of a distance and a required travel time from a vehicle position to a destination. The CPU then extracts the traffic information that corresponds to the set road category and distributes it to the navigation apparatus. | 09-23-2010 |
20100250107 | Relieving Urban Traffic Congestion - A method of reducing congestion on a roadway is disclosed comprising dividing selected lengths of selected normal lanes of a roadway into two commuter lanes, providing distinctive lane markings to identify the commuter lanes, and dynamically designating selected lengths of selected lanes as either normal lanes or pairs of commuter lanes. In order to dynamically change lane configurations, a set of indicators can be provided as lane markers together with a control system to alter particular lane configurations between normal lanes and commuting lanes both cyclically according to a preprogrammed schedule and dynamically in response to sensed vehicle traffic volume, unusual events such as accidents, weather, and so on. Commuter lanes are designated cyclically and dynamically in response to traffic conditions to increase the capacity of the affected road. Normal lanes are designated at other times. To facilitate entry and exit from designated commuter lanes, transition zones can be provided where entering and exiting commuter lane traffic has right of way. | 09-30-2010 |
20110010081 | Method of creating a virtual traffic network - A computer-implemented method of creating a virtual traffic network includes inputting map data representing a road system, inputting flow data related to traffic flow on the road system and integrating the map data and the flow data to produce a virtual traffic network representing traffic conditions on the road system. | 01-13-2011 |
20110029224 | ASSESSING ROAD TRAFFIC FLOW CONDITIONS USING DATA OBTAINED FROM MOBILE DATA SOURCES - Techniques are described for assessing road traffic conditions in various ways based on obtained traffic-related data, such as data samples from vehicles and other mobile data sources traveling on the roads, as well as in some situations data from one or more other sources (such as physical sensors near to or embedded in the roads). The assessment of road traffic conditions based on obtained data samples may include various filtering and/or conditioning of the data samples, and various inferences and probabilistic determinations of traffic-related characteristics from the data samples. In some situations, the inferences based on the data samples includes repeatedly determining traffic flow characteristics for road segments of interest during periods of time, such as to determine traffic volume and/or average occupancy of the road. | 02-03-2011 |
20110035138 | METHOD AND APPARATUS FOR AUTOMATIC SELECTION OF ALTERNATIVE ROUTING THROUGH CONGESTED AREAS USING CONGESTION PREDICTION METRICS - A scheduling system and method for moving plural objects through a multipath system described as a freight railway scheduling system. The scheduling system utilizes a cost reactive resource scheduler to minimize resource exception while at the same time minimizing the global costs associated with the solution. The achievable movement plan can be used to assist in the control of, or to automatically control, the movement of trains through the system. Alternative routes through congested areas are automatically selected using congestion prediction metrics. | 02-10-2011 |
20110066361 | On-Vehicle Information Terminal and Information Distribution System - An on-vehicle information terminal includes a traffic information obtaining unit that obtains traffic information including at least either weather information or event information through wireless communication, a decision-making unit that makes a decision, based upon at least either the weather information or the event information, as to whether or not telematics information provided by a distribution server via a mobile communication network is to be downloaded, and a download unit that downloads the telematics information via the mobile communication network if the decision-making unit has determined that the telematics information is to be downloaded. | 03-17-2011 |
20110082636 | DYNAMIC TIME SERIES PREDICTION OF FUTURE TRAFFIC CONDITIONS - Techniques are described for generating predictions of future traffic conditions at multiple future times, such as by using probabilistic techniques to assess various input data while repeatedly producing future time series predictions for each of numerous road segments (e.g., in a real-time manner based on changing current conditions for a network of roads in a given geographic area). In some situations, one or more predictive Bayesian models and corresponding decision trees are automatically created for use in generating the future traffic condition predictions for each geographic area of interest, such as based on observed historical traffic conditions for those geographic areas. Predicted future traffic condition information may then be used in a variety of ways to assist in travel and for other purposes, such as to plan optimal routes through a network of roads based on predictions about traffic conditions for the roads at multiple future times. | 04-07-2011 |
20110112747 | DETECTING ANOMALOUS ROAD TRAFFIC CONDITIONS - Techniques are described for automatically detecting anomalous road traffic conditions and for providing information about the detected anomalies, such as for use in facilitating travel on roads of interest. Anomalous road traffic conditions may be identified using target traffic conditions for a particular road segment at a particular selected time, such as target traffic conditions that reflect actual traffic conditions for a current or past selected time, and/or target traffic conditions that reflect predicted future traffic conditions for a future selected time. Target traffic conditions may be compared to distinct expected road traffic conditions for a road segment at a selected time, with the expected conditions reflecting road traffic conditions that are typical or normal for the road segment at the selected time. Anomalous conditions may be identified based on sufficiently large differences from the expected conditions, and information about the anomalous conditions may be provided in various ways. | 05-12-2011 |
20110125392 | TRAFFIC DATA COLLECTION IN A NAVIGATIONAL SYSTEM - A server device collects traveling speed data from a first mobile device when the first mobile device is located within an area of potential traffic congestion; and records or updates a congestion factor, associated with the area of potential traffic congestion, based on the collected traveling speed data, where the congestion factor identifies an amount of traffic congestion associated with the area of potential traffic congestion. The server device receives, from a second mobile device, a request for traffic information, where the request includes information identifying a current geographic location of the second mobile device and a destination geographic location to which the second mobile device plans to travel; and provides information regarding the congestion factor, associated with the area of potential traffic congestion, to the second mobile device to permit the second mobile device to generate navigational directions based on the congestion factor. | 05-26-2011 |
20110224892 | ROUTING TO REDUCE CONGESTION - This disclosure describes embodiments that include systems and methods for integrating various efficient and beneficial transportation and network technologies into an energy-efficient, time-efficient, highly-scalable, semi-public transportation system. Specifically, the disclosed embodiments include methods and systems provide a distributed transportation computing system for routing clean-powered, semi-independent system vehicles within adapted existing metropolitan freeway systems. The embodiments reduce traffic congestion by synchronizing the movements of system vehicles within system roadways. System vehicles may be designed to incorporate clean-power, energy-efficiency, and both on- and off-system operational control. As system vehicles allow for both system and independent use, individuals desiring independence may be incentivized to participate in this semi-public, mass-transportation system. High scalability is possible because modifications to existing freeway infrastructures require minimal retrofitting and simplified expansion in comparison with the construction of presently available mass-transportation systems, such as light rail and subway systems. | 09-15-2011 |
20110246052 | CONGESTION LEVEL DISPLAY APPARATUS, CONGESTION LEVEL DISPLAY METHOD, AND CONGESTION LEVEL DISPLAY SYSTEM - In a congestion level display apparatus for a vehicle, a correlation between a traveling speed and a congestion level sent from a traffic center is learnt when the vehicle is travelling within a home area. When the vehicle is traveling outside the home area, the learned correlation is used, by the congestion level display apparatus and in relation to the traveling speed, to display a learned congestion level, instead of the congestion level sent from the traffic center. | 10-06-2011 |
20110276259 | REAL-TIME TRAFFIC CONDITION MEASUREMENT - In embodiments of the present invention improved capabilities are described for identifying a first location, at time one, of a plurality of automobiles using cell phone tower triangulation to locate a cell phone within each of the plurality of automobiles, identifying a second location, at time two, for each of the plurality of automobiles using cell phone tower triangulation to locate the cell phone within each of the plurality of automobiles, calculating a vehicle speed for each of the plurality of automobiles using the first and second locations already identified, and creating a traffic condition measure for a route in proximity to the first and second locations. The computer program product may repeat this process in real-time to calculate a real-time traffic condition measure that may be a traffic density measure the computer program product may use to predict a travel time. | 11-10-2011 |
20110282567 | REAL-TIME TRAFFIC CONDITION MEASUREMENT AND PRESENTATION OF USER-BASED ROUTE DATA - In embodiments of the present invention improved capabilities are described for identifying a first location, at time one, of a plurality of automobiles using cell phone tower triangulation to locate a cell phone within each of the plurality of automobiles, identifying a second location, at time two, for each of the plurality of automobiles using cell phone tower triangulation to locate the cell phone within each of the plurality of automobiles, calculating a vehicle speed for each of the plurality of automobiles using the first and second locations already identified, and creating a traffic condition measure for a route in proximity to the first and second locations. The computer program product may repeat this process in real-time to calculate a real-time traffic condition measure that may be a traffic density measure the computer program product may use to predict a travel time, and may respond to a user's request with an audio alert on the user's cell phone that comes from a speaker on the cell phone that can also be combined with a wirelessly-enabled speaker in an automobile or a wirelessly-enabled headset. The audio alert may be displayed in conjunction with at least one navigation option pertaining to the route. | 11-17-2011 |
20110288756 | FILTERING ROAD TRAFFIC CONDITION DATA OBTAINED FROM MOBILE DATA SOURCES - Techniques are described for assessing road traffic conditions in various ways based on obtained traffic-related data, such as data samples from vehicles and other mobile data sources traveling on the roads, as well as in some situations data from one or more other sources (such as physical sensors near to or embedded in the roads). The assessment of road traffic conditions based on obtained data samples may include various filtering and/or conditioning of the data samples, and various inferences and probabilistic determinations of traffic-related characteristics from the data samples. In some situations, the filtering of the data samples includes identifying data samples that are inaccurate or otherwise unrepresentative of actual traffic condition characteristics, such as data samples that are not of interest based at least in part on roads with which the data samples are associated and/or that otherwise reflect vehicle locations or activities that are not of interest. | 11-24-2011 |
20110320111 | SYSTEM AND METHOD FOR PROVIDING ROAD CONDITION AND CONGESTION MONITORING USING SMART MESSAGES - A communication device for providing road conditions and monitoring congestion, contains a memory and a processor configured by the memory to perform the steps of: extracting key current vehicle and/or traffic insight; determining if the extracted key current vehicle and/or traffic insight represents a departure from expected vehicle and/or traffic insight; if the extracted key current vehicle and/or traffic insight is a departure from expected vehicle and/or traffic insight, using the key current vehicle and/or traffic insight to create a smart message, wherein the smart message contains the extracted key current vehicle and/or traffic insight; and if the extracted key current vehicle and/or traffic insight is a confirmation of expected vehicle and/or traffic insight, creating a confirmation message that does not contain the extracted key current vehicle and/or traffic insight, yet confirms similarity between the extracted key current vehicle and/or traffic insight and the expected vehicle and/or traffic insight. | 12-29-2011 |
20120004835 | VEHICLE CONTROL DEVICE - A vehicle control device includes: a road-to-vehicle communication device which acquires information regarding the volume of traffic in a predetermined section on a road where a vehicle travels and which transmits the traffic volume information to a determination section; a deceleration acquisition section which acquires deceleration of a vehicle in front in the predetermined section and transmits information regarding the deceleration to the determination section; the determination section which determines whether or not a lane change is necessary on the basis of the traffic volume information acquired by the road-to-vehicle communication device and the deceleration acquired by the deceleration acquisition section; and an instruction section which instructs at least either the host vehicle or a vehicle behind to change lane when the determination section determines that a lane change is necessary. Therefore, it is possible to provide a vehicle control device capable of suppressing the occurrence of a traffic jam. | 01-05-2012 |
20120004836 | Method of Estimation of Traffic Information, Device of Estimation of Traffic Information and Car Navigation Device - There is provided a method and a device for accurately estimating traffic information of a link having no traffic information even if different types of roads are mixed. The device finds a parameter characterizing a damping curve of a quantity of change of relative speed based on stored traffic information for links on a city center side on a minimum-time cost route connecting the city center and suburbs, finds a quantity of change of relative speed of the link having no observed traffic information and estimates its traffic information based on the damping curve. The device also calculates a ratio of quantities of change of relative speed of two links whose road types change as a speed change similarity ratio and estimates traffic information of the link of a second road type from known traffic information of the link of a first road type by using that ratio. | 01-05-2012 |
20120029801 | DRIVING CHARACTERISTICS DETECTOR AND ROUTE SEARCH DEVICE - A driving characteristics detector includes: a driving information obtaining element for obtaining driving information, which relates to a driving condition of a vehicle; and a driving characteristics determining element for determining driving characteristics of a driver of the vehicle based on the driving information. The driving information includes vehicle speed relating information, which relates to at least one of a vehicle speed, acceleration and deceleration of the vehicle. A driving unit section is defined as a section from the vehicle starts to go until the vehicle stops. The driving characteristics determining element determines the driving characteristics based on the vehicle speed relating information in each driving unit section. | 02-02-2012 |
20120059573 | REAL-TIME TRAFFIC CONDITION MEASUREMENT USING GPS DATA - In embodiments of the present invention, a computer program may use GPS coordinates associated with cell phones located within multiple cars to measure real time traffic conditions. These traffic conditions may be measured based at least in part on using parameters including, but not limited to, a time of day, a day of the week, a weather condition, a road condition, or some other parameter relating to traffic conditions. The traffic conditions may be used to calculate a vehicle speed between two locations and predict related travel time. The real-time traffic condition information may be manually accessed by a user from their cell phone or automatically presented to a user's cell phone when the cell phone enters a specific geographic location or region. | 03-08-2012 |
20120065871 | SYSTEM AND METHOD FOR PROVIDING ROAD CONDITION AND CONGESTION MONITORING - A portable communication device for providing road conditions and monitoring traffic congestion for a user contains a device for sensing orientation of the portable communication device, including acceleration and/or deceleration of a vehicle in which the communication device is located, a memory, and a processor. The processor is configured by the memory to perform the step of calculating space time series data to determine traffic congestion characteristics, wherein the step of calculating space time series data includes at least one step selected from the group consisting of determining position of the portable communication device as a function of time, determining velocity of the portable communication device as a function of time, and determining acceleration of the portable communication device as a function of time. | 03-15-2012 |
20120065872 | REAL-TIME TRAFFIC CONDITION MEASUREMENT USING NETWORK TRANSMISSION DATA - In embodiments of the present invention, data that is transmitted over a network that is utilized by cell phones within multiple automobiles may be used to calculate real-time traffic conditions, including but not limited to the time it will take to travel a certain distance using a given route. Real-time traffic conditions may be calculated by, for example, measuring real-time traffic density for a specific geographic region. Traffic conditions and traffic density may be calculated using parameters including, but not limited to, a time of day, a day of the week corresponding to the real-time calculation of the traffic condition measure, a weather condition corresponding to the real-time calculation of the traffic condition measure; or some other parameter relating to traffic conditions. This real-time traffic condition data may be manually accessed by a user from their cell phone or automatically provided to a user's cell phone. | 03-15-2012 |
20120072096 | DYNAMIC PREDICTION OF ROAD TRAFFIC CONDITIONS - Techniques are described for generating predictions of traffic conditions at one or more indicated times, such as by using probabilistic techniques to assess various input data while producing predictions for each of one or more road segments (e.g., in a real-time manner based on changing current conditions for a network of roads in a given geographic area). In some situations, one or more predictive Bayesian models and corresponding decision trees are automatically created for use in generating the traffic condition predictions for each geographic area of interest, such as based on observed historical traffic conditions for those geographic areas. Predicted traffic condition information may then optionally be used in a variety of ways to assist in travel and for other purposes, such as to plan optimal routes through a network of roads based on predictions about traffic conditions for the roads at multiple times. | 03-22-2012 |
20120072097 | DRIVER ASSISTANCE SYSTEM AND DRIVER ASSISTANCE METHOD - Risk and/or control status are presented in such a way that the vehicle driver can easily comprehend the fact. Upon detecting risk during driving a vehicle, the vehicle is controlled and information of at least one of the risk and the status of the vehicle being controlled is presented in visual form. In addition, the driver's initiative (D) in driving the vehicle is calculated (step S | 03-22-2012 |
20120109506 | REAL-TIME TRAFFIC ANALYSIS THROUGH INTEGRATION OF ROAD TRAFFIC PREDICTION AND TRAFFIC MICROSIMULATION MODELS - A system, method and computer program product for forecasting a vehicle traffic condition in a near future. The system comprises a traffic prediction tool, a turning percentage prediction module and a simulation tool. The traffic prediction tool estimates a traffic speed and volume in a traffic link. A traffic link refers to a portion of a traffic road where the traffic prediction tool is installed. The turning percentage prediction module estimates a turning percentage in the traffic link based on the estimated traffic speed and traffic volume. The simulation tool computes, based on the estimated turning percentage, the estimated traffic speed and the estimated traffic volume, an expected traffic volume in the traffic link. | 05-03-2012 |
20120116659 | Method of Retrieving Information for a Motor Vehicle - A method of receiving information for a motor vehicle is disclosed. The method includes retrieving stored traffic information from a database and determining a communication period for receiving current traffic information from a service provider based on the stored traffic information. The method also includes receiving current traffic information simultaneously with other non-traffic information when the non-traffic information is being requested in order to limit the number of instances of communication with the service provider. | 05-10-2012 |
20120136561 | DYNAMIC TIME SERIES PREDICTION OF TRAFFIC CONDITIONS - Techniques are described for generating predictions of future traffic conditions at multiple future times, such as by using probabilistic techniques to assess various input data while repeatedly producing future time series predictions for each of numerous road segments (e.g., in a real-time manner based on changing current conditions for a network of roads in a given geographic area). In some situations, one or more predictive Bayesian models and corresponding decision trees are automatically created for use in generating the future traffic condition predictions for each geographic area of interest, such as based on observed historical traffic conditions for those geographic areas. Predicted future traffic condition information may then be used in a variety of ways to assist in travel and for other purposes, such as to plan optimal routes through a network of roads based on predictions about traffic conditions for the roads at multiple future times. | 05-31-2012 |
20120150424 | DESTINATION ARRIVAL ESTIMATES AUTO-NOTIFICATION BASED ON CELLULAR SYSTEMS - The present, in one embodiment, is directed to a method for determining vehicular speeds over various travel routes that includes the steps:
| 06-14-2012 |
20120166071 | NAVIGATION SYSTEM WITH CONGESTION ESTIMATION MECHANISM AND METHOD OF OPERATION THEREOF - A method of operation of a navigation system includes: receiving a real-time traffic flow of road links; determining congestion candidate links from the road links by thresholding the real-time traffic flow of the road links; smoothing spatially the real-time traffic flow of the congestion candidate links; calculating a flow confidence of the real-time traffic flow of the congestion candidate links; determining a congested segment by tracking the real-time traffic flow and the flow confidence of the congestion candidate links over a time period; and generating a congestion message for the congested segment for displaying on a device. | 06-28-2012 |
20120215432 | Predictive Routing System and Method - A user of a telematics-navigation device in a vehicle requests a recommendation as to a route to take to reach a destination. Multiple routes are identified from a current location of the vehicle to the destination. For each route, traffic conditions of the route are predicted. Based on the traffic conditions predicted for each route, one route is chosen to recommend to the user for traveling to the destination. The recommended route is presented to the user along with the other identified routes. When the user selects to travel along one of the presented routes, directions to the destination are provided to a driver of the vehicle along the selected route. | 08-23-2012 |
20120221231 | POSITIONAL INFORMATION ANALYSIS DEVICE AND POSITIONAL INFORMATION ANALYSIS METHOD - To promptly provide useful person trip information, a location information analysis device ( | 08-30-2012 |
20120265428 | VEHICLE MOTION ESTIMATING DEVICE, VEHICLE MOTION ESTIMATING METHOD, AND VEHICLE MOTION ESTIMATING PROGRAM - According to the present invention, information which is associated with a motion of a vehicle can be acquired even in the case where no vehicle travels on a road. Motion information, which is associated with the motion of the vehicle on the road where the vehicle traveled, is acquired along with time information. Reference traffic information, which is traffic information on the road at a reference time which is specified by the time information, is acquired from a traffic information providing device which constantly provides the traffic information. A correlation between the motion information and the reference traffic information is specified. Furthermore, estimated motion information, which indicates an estimated motion of the vechicle on the road at an estimate time when the motion is estimated, is acquired based on estimating source traffic information at the estimate time and the correlation, the estimating source traffic information being provided as the traffic information of the estimating source from the traffic information providing device in the case where no motion information is acquired at the estimate time. | 10-18-2012 |
20130018571 | MAP DISPLAY SYSTEM, METHOD, AND PROGRAMAANM MIWA; DaisukeAACI OkazakiAACO JPAAGP MIWA; Daisuke Okazaki JP - A map display system and method are provided. The display system includes a map information acquiring unit that acquires map information and a congestion level acquiring unit that acquires a congestion level for each road section within the map. The system also includes a route line display determining unit that determines whether a route line is displayed superimposed on any road line, the route line representing a planned travel route, each road line representing a road section within the map. The display is controlled such that if the route line is displayed superimposed on any road line a congestion line is displayed at a position by a first off-set distance from the road line on the display part and if the route line is not displayed superimposed on any road line, the congestion line is displayed at a second off-set distance from the road line on the display part. | 01-17-2013 |
20130041574 | Traffic Congestion Resolution and Driving Assistance System and Method - A traffic congestion resolution and driving assistance system and method include obtaining the acceleration of a vehicle; calculating a power spectrum corresponding to frequencies from the acceleration; calculating a simple regression line of the power spectrum, and calculating the maximum value of the amount of change in the slope of the simple regression line. The system and method also include detecting the intervehicular distance between the vehicle and a preceding vehicle; estimating the intervehicular distance distribution from the detected intervehicular distance using a distribution estimating method; and calculating the minimum value of the covariance from the estimated intervehicular distance distribution. The system and method further include estimating the vehicle group distribution in front of the vehicle from the correlation between the minimum value of the covariance and the maximum value of the slope; performing a real-time traffic congestion prediction; and delivering real-time traffic congestion prediction information to the vehicle. | 02-14-2013 |
20130073192 | SYSTEM AND METHOD FOR ON-ROAD TRAFFIC DENSITY ANALYTICS USING VIDEO STREAM MINING AND STATISTICAL TECHNIQUES - A method and system for analyzing on-road traffic density are provided. The method involves allowing a user to select a video image capturing device and coordinates in a video image frame captured by the video image capturing device such that the coordinates form a region of interest (ROI). The ROI is processed to generate a confidence value and a traffic density value. The traffic density value is compared with a first set of threshold values. Based on the comparison, the traffic density values at different instants in a time window are displayed to enable monitoring of the traffic trend. | 03-21-2013 |
20130085659 | DETECTING LOCATION, TIMETABLE AND TRAVEL TIME ESTIMATIONS FOR BARRIER CROSSINGS IN A DIGITAL MAP - A method for determining barrier crossing information for convoyed objects ( | 04-04-2013 |
20130103293 | NAVIGATION SYSTEM WITH TURN RESTRICTION MECHANISM AND METHOD OF OPERATION THEREOF - A method of operation of a navigation system includes: generating a travel trace for identifying a traffic direction flowing through an intersection; generating a trace count based on aggregating the plurality of the travel trace; calculating an expected turn count based on the trace count for estimating an out-edge traffic flowing from an in-edge traffic; and determining a turn restriction based on the expected turn count for identifying the turn restriction at the intersection for displaying on a device. | 04-25-2013 |
20130103294 | METHOD OF DISPLAYING TRAFFIC CONGESTION ESTIMATION - Disclosed is a method of displaying traffic congestion estimation including a step of detecting a transition state that exists when transitioning from a free flow in which a possibility (probability of occurrence) of an occurrence of traffic congestion is lower than a first set value, to a mixed flow in which states of braking and accelerating the vehicle are mixed as the state of the flow of traffic, and a step of displaying the possibility (probability of occurrence) of transition from the free flow to the mixed flow in a continuous and visual manner on the basis of the detection result of the transition state. | 04-25-2013 |
20130116916 | TRANSPORTATION NETWORK SCHEDULING SYSTEM AND METHOD - A method includes determining candidate schedules for plural vehicles traveling in a transportation network comprising and identifying a gridlock area in the transportation network by simulating travel of the vehicles according to the candidate schedules. The gridlock area includes a geographic subset of the transportation network during a time window having at least a predetermined number of failed candidate schedules that result in a decrease of a throughput parameter. The throughput parameter represents flow of travel of the vehicles in the transportation network. The method also includes determining an alternate schedule that differs from the candidate schedule for one or more of the plural vehicles (e.g., a first vehicle of the plural vehicles) that is traveling through the gridlock area. The alternate schedule dictates travel of the one or more of the plural vehicles (e.g., the first vehicle) without decreasing the throughput parameter of the transportation network. | 05-09-2013 |
20130116917 | System having mobile telephones wirelessly networked via a shared central server - The present method and system is intended to provide improved communication between multiple vehicles. This is achieved by a system which has mobile telephones networked in wireless manner via a shared central server, each mobile telephone being connected to a communication line of a vehicle which provides vehicle data, such that a user receives vehicle data and/or vehicle positions of the other users and displays that information on a display of the mobile telephone. | 05-09-2013 |
20130124073 | LIVE TRAFFIC CONGESTION DETECTION - A server device may receive information related to traffic congestion on a road at a particular geographic location; analyze the information to identify an occurrence of congestion at the particular geographic location; request additional information from a first user device that is within a particular distance from the particular geographic location; receive the additional information from the first user device; receive, from a second user device, a request for congestion information associated with the particular geographic location; and provide, to the second user device, at least a portion of the additional information received from the first user device. | 05-16-2013 |
20130131969 | DEVICE, SYSTEM AND METHOD FOR CONTROLLING SPEED OF A VEHICLE USING A POSITIONAL INFORMATION DEVICE - A device, system and method for controlling speed of a vehicle are provided. The device includes a locational information module for determining location information and speed; a storage module for storing at least one geographic map including at least one route and a speed limit for the at least one route; a processing module configured to receive the location information, retrieve at least one geographic map based on the location information, determine a speed limit based on the location information and compare the speed of the device to the determined speed limit; and a display module for alerting a user if the speed of the device exceeds the determined speed limit. The system and method can be for communicating a subject vehicle's speed to a central server where it can be utilized to analyze traffic congestion patterns or notify selected companies or individuals. | 05-23-2013 |
20130144516 | TRAFFIC CONTROL SYSTEM, VEHICLE CONTROL SYSTEM, AND TRAFFIC CONTROL METHOD - A traffic control system provides a driver of a vehicle, which runs in a predetermined running state among vehicles running on a road with information on the suppression of traffic congestion on the road. The predetermined running state is, for example, a running state constituting a cause of traffic congestion on the road. The information may be provided by urging the driver to perform a driving operation of at least one of acceleration and lane change. | 06-06-2013 |
20130151135 | HYBRID TRAFFIC SYSTEM AND ASSOCIATED METHOD - A traffic sensing system for sensing traffic at a roadway includes a first sensor having a first field of view, a second sensor having a second field of view, and a controller. The first and second fields of view at least partially overlap in a common field of view over a portion of the roadway, and the first sensor and the second sensor provide different sensing modalities. The controller is configured to select a sensor data stream for at least a portion of the common field of view from the first and/or second sensor as a function of operating conditions at the roadway. | 06-13-2013 |
20130197790 | METHOD AND SYSTEM FOR TRAFFIC PERFORMANCE ANALYSIS, NETWORK RECONFIGURATION, AND REAL-TIME TRAFFIC MONITORING - A method and system for traffic performance analysis, network reconfiguration, and real-time traffic monitoring and surveillance is described. Traffic performance analysis and congestion detection is achieved through discrete event simulation. The road network is translated to a graph. The translation is the result of the processing of a high resolution satellite or aerial image consisting of road extraction. In the resulting graph, road intersections are represented by vertices and road sections by edges. Edges have several properties such as the capacity of the section, presence of traffic signs and traffic lights, rate of generation (vehicles leaving parking), and rate of absorption (vehicles going to parking) Temporal simulation allows detecting congestions as well as congestion propagation. Real-time traffic monitoring consists of detecting abnormal traffic slowdowns. This is achieved by observing traffic with a camera. The video is processed to compute the optical flow which allows the computation of the traffic speed. Individual vehicle speed is also computed to detect speeding vehicles by comparing their speed to the nominal speed limit in the road section. The whole system can be grouped in a traffic control room or a traffic information system. | 08-01-2013 |
20130226441 | SYSTEM FOR SUPPORTING A USER OF AN ELECTRICALLY DRIVEN VEHICLE - A system for supporting a user of an electrically driven vehicle comprises position information obtaining unit for obtaining, during traveling, position information indicating a position of the vehicle, electric power amount estimating unit for estimating, during traveling, a remaining electric power amount of an electric power source of the vehicle, shortage risk estimating unit for estimating, during traveling, an estimated risk of electric power amount shortage on the basis of the estimated remaining electric power amount, and notifying unit for notifying a user in case the estimated risk of electric power amount shortage estimated by the shortage risk estimating unit exceeds a predetermined threshold value. | 08-29-2013 |
20130238229 | TRAFFIC VOLUME ESTIMATION - A computer-implemented method of estimating traffic data for a location, the method being implemented in a computer comprising a memory in communication with a processor. The method comprises receiving, as input to the processor, first data associated with the location selecting, by the processor, one of a plurality of models based upon the first data associated with the location receiving, as input to the processor, second data associated with the location and estimating traffic data for the location based upon the selected model and the second data. | 09-12-2013 |
20130253810 | TRAFFIC INFORMATION CREATING DEVICE, TRAFFIC INFORMATION CREATING METHOD AND PROGRAM - Devices, methods, and programs determine whether a vehicle has exited a link based on map information. If so, the devices, methods, and programs acquire a travel traffic congestion level of the exited link based on travel information within the exited link, and determine whether the travel traffic congestion level of the exited link coincides with a distributed traffic congestion level at a time when the vehicle exited. If not, the devices, methods, and programs determine whether the traffic information has been updated and the distributed traffic congestion level has been changed within the exited link, and if so, acquire a distribution time rate of each distributed traffic congestion level within the exited link. The devices, methods, and programs determine a traffic congestion level of the exited link based on the distribution time rate of each acquired distributed traffic congestion level and the travel traffic congestion level of the exited link. | 09-26-2013 |
20130253811 | TRAFFIC INFORMATION CREATING DEVICE, TRAFFIC INFORMATION CREATING METHOD AND PROGRAM - Devices, methods, and programs access map information including link information related to links that constitute a road, acquire a current location of a vehicle at unit time intervals, and acquire traffic information, which includes a distributed traffic congestion level of each link at predetermined time intervals. Each time the vehicle exits a link, the devices, methods, and programs sequentially store the exited link in an exited link train based on the map information. If the traffic information has been received, the devices, methods, and program store the distributed traffic congestion level included in the received traffic information as a traffic congestion level in association with a portion of the exited link train within a range from the current location at a received time point when the traffic information has been received to a location that is a predetermined distance behind the current location at the received time point. | 09-26-2013 |
20130253812 | Traffic Congestion Prediction Method And Traffic Congestion Prediction Device - Provided is a traffic congestion prediction method which is able to perform a prediction process using floating information with higher accuracy. The traffic congestion prediction method includes: a step of receiving information by a prediction device; a step of predicting a route of each floating car based on the current position information and destination information received; a step of calculating, for the each floating car, a first passing time group which is a set of respective passing times at a plurality of predetermined spots on the route predicted; a step of calculating the number of existing floating cars per link based on the first passing time group, if any of a plurality of floating cars exists on the link at a predetermined time; and a step of calculating a second passing time group by use of the number of existing floating cars and a predetermined calculation technique. | 09-26-2013 |
20130261943 | OBJECT CLUSTER DETECTION AND ESTIMATION - A vehicle tracking system includes a wheel unit containing RF communication circuitry. The wheel units communicate with fixed nodes of a monitoring system. In some embodiments, the wheel units are placed on shopping carts and are used to track the shopping carts in a vicinity of a store. The system may implement a variety of tracking-relating features, including detecting unauthorized store exit events, estimating the number of shopping carts that are clustered together, and inhibiting shopping cart theft. | 10-03-2013 |
20130261944 | TRAFFIC CONGESTION PREDICTION METHOD - A traffic congestion prediction method including the steps of: detecting an acceleration of a vehicle; calculating a power spectrum corresponding to a frequency from a frequency analysis of the detected acceleration; calculating a simple linear regression line of the power spectrum and calculating a maximum value of an amount of change in a gradient of the simple linear regression line in a predetermined frequency range as a maximum gradient value; detecting an inter-vehicle distance between the vehicle and a vehicle ahead; estimating an inter-vehicle distance distribution from the detected inter-vehicle distance by using a distribution estimation method; calculating a minimum value of covariance value from the estimated inter-vehicle distance distribution; estimating a distribution of a group of vehicles ahead from a correlation between the minimum value of covariance value and the maximum gradient value; and performing a real-time traffic congestion prediction based on the distribution of the group of vehicles. | 10-03-2013 |
20130275031 | COLLECTION, MONITORING, ANALYZING AND REPORTING OF TRAFFIC DATA VIA VEHICLE SENSOR DEVICES PLACED AT MULTIPLE REMOTE LOCATIONS - Traffic management reports are created from data provided by vehicle sensor devices placed at different fixed locations in a region. Data of vehicles that pass each of the vehicle sensor devices are captured and communicated to a central computer database. At the central computer database, traffic management reports are periodically created from the vehicle data. Each traffic management report incorporates vehicle data from a plurality of vehicles. The vehicle data is for a plurality of previous, non-current times so as to allow for analysis of past vehicle data. | 10-17-2013 |
20130282263 | Junction Adaptive Reactive Routing (JARR) Protocol for Vehicular Ad-Hoc Networks in a City Environment - The routing protocol was designed for VANET in a city environment. The main objective is finding not only the shortest but the most efficient path for a packet to reach its destination. Packets are routed through the fastest paths as opposed to the shortest. Fastest path is defined as the quickest time for a packet to reach a destination irrespective of distance. While the shortest path is still considered, the routing protocol adapts to the network conditions and performs routing reactively. Making use of the city topology, packets are routed from junctions to junctions. This means that routing decisions are made when a packet arrives at a junction, to decide which path to take next in order to reach the next junction. This process continues until the packet reaches its destination. | 10-24-2013 |
20130289861 | TRIPLE RAIL PRT TRANSPORTATION SYSTEM - A personal rapid transit (PRT) system comprising a very economic triple rail topology for bi-directional urban personal transport. All the ramps are implemented on the one side of the tracks matching the narrow urban spaces. To achieve fast speed, stable direction changes, and a non-compromised passenger security, the ramps are implemented as parallel lines to the corresponding tracks, and the vehicles do not use any wheel steering. Instead, a landing wheel gear is implemented. The vehicle's center of mass is constantly kept in one plane with the guideways. In case of emergencies, a special “anti-fall down” security system holds the vehicle on the rails. The vehicles make turns using the highly compact Direction Change Connector. The PRT control system is implemented as three layer hierarchical system of fault-tolerant processor nodes, and utilizes two channel wireless communications between the layers. | 10-31-2013 |
20130289862 | DETECTING ANOMALOUS ROAD TRAFFIC CONDITIONS - Techniques are described for assessing road traffic conditions in various ways based on obtained traffic-related data, such as data samples from vehicles and other mobile data sources traveling on the roads and/or from one or more other sources (such as physical sensors near to or embedded in the roads). The road traffic conditions assessment based on obtained data samples may include various filtering and/or conditioning of the data samples, and various inferences and probabilistic determinations of traffic-related characteristics of interest from the data samples. In some situations, the inferences include repeatedly determining current traffic flow characteristics and/or predicted future traffic flow characteristics for road segments of interest during time periods of interest, such as to determine average traffic speed, traffic volume and/or occupancy, and include weighting various data samples in various ways (e.g., based on a latency of the data samples and/or a source of the data samples). | 10-31-2013 |
20130289863 | LIVE TRAFFIC CONGESTION DETECTION - A user device may be configured to output, to a server device, a request for traffic congestion information, receive audio or visual information regarding an identified occurrence of traffic congestion; and present a visual representation of the occurrence of traffic congestion. The visual representation may include a selectable option to access at least a portion of the received audio or visual information regarding the occurrence of traffic congestion. The user device may further be configured to present, based on a selection of the selectable option, the at least a portion of the received audio or visual information regarding the occurrence of the traffic congestion. | 10-31-2013 |
20130332057 | Representing Traffic Along a Route - Some embodiments provide a mapping application that has a novel way of displaying traffic congestion along roads in the map. The mapping application in some embodiments defines a traffic congestion representation to run parallel to its corresponding road portion when the map is viewed at a particular zoom level, and defines a traffic congestion representation to be placed over its corresponding road portion when the map is viewed at another zoom level. The mapping application in some embodiments differentiates the appearance of the traffic congestion representation that signifies heavy traffic congestion from the appearance of the traffic congestion representation that signifies moderate traffic congestion. In some of these embodiments, the mapping application does not generate a traffic congestion representation for areas along a road that are not congested. | 12-12-2013 |
20130332058 | Encoded Representation of Traffic Data - A mapping program for execution by at least one processing unit of a device is described. The mapping program selects a traffic segment defined in a first data structure describing congestion in an area of a map. The mapping program identifies a portion of a road in the map area that corresponds to the traffic segment by using a second data structure to correlate the traffic segment in the first data structure to the road that is defined in a third data structure. The mapping program defines a traffic congestion representation to render for the identified road portion, based on data about the corresponding road in the third data structure. | 12-12-2013 |
20130345955 | ROAD NETWORK ANALYSIS SYSTEM - A road network analysis system detects major changes in a road network based on probe information from a plurality of vehicles. The probe information is tabulated and the change in the amount of traffic is calculated for each road with a predetermined time interval. If a remarkable change in the amount of traffic is detected for a road before and after a specific baseline day, it is determined that a major change in the road network affecting the traffic has occurred in the vicinity of the road, and the road is specified as a change-related road. A path search may be performed between the endpoints of a plurality of change-related roads, and the searched paths that have the most overlap with the searched paths are selected so as to identify the change-related roads which are commonly affected by the same cause and the endpoints thereof. | 12-26-2013 |
20140025281 | Automated Location-Intelligent Traffic Notification Service Systems and Methods - Traffic notification systems include a location determination system that can determine a geographic location of a subscriber, and an automated traffic notification system that can automatically transmit a traffic notification message that is based on the geographic location of the subscriber to a wireless terminal associated with the subscriber. | 01-23-2014 |
20140052366 | DEVICE, SYSTEM AND METHOD FOR CONTROLLING SPEED OF A VEHICLE USING A POSITIONAL INFORMATION DEVICE - A device, system and method for controlling speed of a vehicle are provided. The device includes a locational information module for determining location information and speed; a storage module for storing at least one geographic map including at least one route and a speed limit for the at least one route; a processing module configured to receive the location information, retrieve at least one geographic map based on the location information, determine a speed limit based on the location information and compare the speed of the device to the determined speed limit; and a display module for alerting a user if the speed of the device exceeds the determined speed limit. The system and method can be for communicating a subject vehicle's speed to a central server where it can be utilized to analyze traffic congestion patterns or notify selected companies or individuals. | 02-20-2014 |
20140058653 | DRIVER ASSISTANCE SYSTEM FOR A VEHICLE - A driver assistance system for a vehicle includes a display screen disposed within an interior cabin of the vehicle and a camera disposed at the vehicle and having a rearward field of view. The display screen displays video information captured by the camera for assisting the driver during a reversing maneuver. When the vehicle is not executing a reversing maneuver, the information display screen is operable to display information wirelessly communicated to the vehicle from a remote communication system. The information from the remote communication system may include traffic information or traffic related information, such as traffic flow, congestion, stalled vehicle or accident information, alternate routes for the vehicle, and/or traffic information derived from sensors or signs positioned along the road that the vehicle is traveling or on other roads near or associated with that road. The remote communication system may include a highway/road management monitoring system. | 02-27-2014 |
20140074389 | SOLVING TRAFFIC CONGESTION USING VEHICLE GROUPING - A method, system, and computer program product for solving a traffic congestion problem are provided in the illustrative embodiments. Using an application executing using a processor and a memory in a data processing system, a congested route section is selected from a set of congested route sections. A set of congesting vehicles is selected, where the set of congesting vehicles cause congestion in the selected congested route sections by being positioned on the selected congested route section. A vacancy data structure corresponding to the selected congested route section is populated. A subset of the set of the congesting vehicles is selected. The subset of the set of the congesting vehicles is rerouted to a candidate route section identified in the vacancy data structure. | 03-13-2014 |
20140088856 | LOCATION METADATA BASED ON PEOPLE VISITING THE LOCATIONS - Methods and systems for a location metadata system are disclosed. A data storage subsystem stores collected data associated with locations and users. A network interface is coupled to the data storage subsystem. The network interface manages communication with devices of users to collect data associated with the locations and users. A data analysis system includes a processor adapted for obtaining the collected data from the data storage subsystem and for analyzing the collected data to create a first location identity associated with interaction of users with a first location. | 03-27-2014 |
20140136089 | ANIMATION AND VISUALIZATION OF TRAFFIC DATA ANALYTICS IN A DASHBOARD PRESENTATION OF A ROADWAY PERFORMANCE MEASUREMENT SYSTEM - Animation and visualization of roadway performance analytics in a dashboard presentation in an integrated performance measurement system comprises analyzing collected traffic data to generate measured congestion information that reflects current conditions in one or more links, segments, or corridors comprising a roadway. The measured congestion information is presented in one or more sets of indicia on a graphical user interface so that current congestion conditions can be viewed and analyzed by a user. The measured congestion information is represented as gauges displaying percentage increases or decreases relative to a particular time, as animated maps showing a selectable set of current congestion conditions, as one or more graphs of current congestion conditions over time, as chart-based displays of costs and causes of current congestion conditions, and a data feed listing textual live updates. | 05-15-2014 |
20140149028 | ASSESSING ROAD TRAFFIC SPEED USING DATA FROM MULTIPLE DATA SOURCES - Techniques are described for assessing road traffic conditions in various ways based on obtained traffic-related data, such as data samples from vehicles and other mobile data sources traveling on the roads and/or from one or more other sources (such as physical sensors near to or embedded in the roads). The road traffic conditions assessment based on obtained data samples may include various filtering and/or conditioning of the data samples, and various inferences and probabilistic determinations of traffic-related characteristics of interest from the data samples. In some situations, the inferences include repeatedly determining current traffic flow characteristics and/or predicted future traffic flow characteristics for road segments of interest during time periods of interest, such as to determine average traffic speed, traffic volume and/or occupancy, and include weighting various data samples in various ways (e.g., based on a latency of the data samples and/or a source of the data samples). | 05-29-2014 |
20140149029 | TRAFFIC EVALUATION DEVICE AND TRAFFIC EVALUATION METHOD - This traffic simulator is provided with a simulator engine unit for performing computation on the basis of a formula representing a movement model for a vehicle, a traffic volume calculation unit for calculating a generated traffic volume and a removed traffic volume on the basis of a given OD traffic volume, an estimated congestion length calculation unit for calculating (estimating) an estimated congestion length for each link on the basis of the calculated traffic volume thereof, an origin and destination generation unit for generating an origin traffic volume and an destination traffic volume to adjust the estimated congestion length on the basis of the difference between the estimated congestion length and the measured congestion length, a storage unit for storing predetermined information, and an evaluation condition setting unit for setting evaluation conditions for evaluating the traffic various quantities metrics. | 05-29-2014 |
20140163849 | METHOD OF PLANNING A ROUTE TO A DESTINATION - The present invention combines the geographical coverage possible with fixed, pre-defined route segment costs (e.g. the legal speed limit) with, wherever possible, richer time dependent costs. A user of, for example, a portable navigation device, can therefore continue route planning as before to virtually any destination in a country covered by the stored map database, but wherever possible, can also use traffic data with time-dependent costs, so that the effect of congestion with any time predictability can be accurately taken into account as an automatic, background process. It leaves the user to simply carry on driving, following the guidance offered by the navigation device, without needing to be concerned about congestion that exists now, and whether it will impact his journey. | 06-12-2014 |
20140180563 | SYSTEM AND METHOD FOR SMARTPHONE COMMUNICATION DURING VEHICLE MODE - A device is provided tor use with a vehicle and with a communication device. The communication device can transmit a first vehicle mode signal and a subsequent signal. The device includes a processing component, an indicator component, a transmitting component and a receiving component. The processing component can operate in a vehicle mode and can operate in a second mode. The indicator component can provide a vehicle mode indication signal when the processing component is operating in the vehicle mode. The transmitting component can transmit a second vehicle mode signal based on the vehicle mode indication signal. The receiving component can receive the first vehicle mode signal and can receive the subsequent signal. The processing component can further perform a function while in the vehicle mode and based on the first vehicle mode signal and the subsequent signal. | 06-26-2014 |
20140188376 | Management Center Module for Advanced Lane Management Assist for Automated Vehicles and Conventionally Driven Vehicles - The automated lane management assist method, data structure and system receive unprocessed lane-specific limited-access highway information, including lane use and speed limits, from freeway transportation management centers or traffic management centers, process and convert the unprocessed information to a form that assists in the selection of driving lanes and target speeds for vehicles, and communicate the processed information to the vehicles by suitable means. | 07-03-2014 |
20140222324 | LIVE TRAFFIC VIEW - A traffic condition detection system is provided for accessing traffic detection units and obtaining traffic data from the accessed traffic detection units. By analyzing the obtained traffic data, an end to a traffic congestion pattern may be estimated. | 08-07-2014 |
20140244147 | System And Method For Using Cellular Network Components To Derive Traffic Information - A traffic reporting system and method for geographic area of interest. The system includes standard wireless telecommunication components configured to establish search criteria, determine a sample size, collect traffic information, calculate additional traffic information, and generate reports. | 08-28-2014 |
20140244148 | SELECTIVE EXCHANGE OF VEHICLE OPERATIONAL DATA - Velocity information can be beneficial to various entities including other vehicles and a central traffic monitoring and routing system. Vehicles with sensors can serve as velocity probes to update speeds that are shared via a more global service. However, individuals may be reluctant to provide location and velocity information given privacy preferences. Local policies about sharing personal data are described that can be harnessed to enhance privacy while minimizing communication costs. The local data-sharing policies allow devices to monitor their own speeds and locations and to employ models and analyses that determine the value of sharing flow information with a larger service in accordance with privacy preferences, and to make local decisions as to when to respond to broadcasted queries for specific information, while minimizing the redundancy of signals from multiple vehicles. | 08-28-2014 |
20140244149 | TRAFFIC MONITORING SYSTEMS AND METHODS - In an exemplary method, a mobile device provides mobile device attribute data to a traffic monitoring subsystem, receives traffic condition data generated by the traffic monitoring subsystem based at least in part on the mobile device attribute data, presents, by way of a user interface, the traffic condition data for consideration by a user of the mobile device, and provides an interface tool configured to be used by the user to report a traffic condition to the traffic monitoring subsystem. In certain embodiments, the mobile device receives, by way of the interface tool, user input indicating a user observance of the traffic condition and provides, in response to the receiving of the user input, a notification of the user observance of the traffic condition to the traffic monitoring subsystem. | 08-28-2014 |
20140278030 | AUTOMOBILE TRAFFIC DETECTION SYSTEM - An traffic detection system (TDS) can receive an information signal associated with a sensed vehicle. The vehicle may be sensed on a roadway by one or more sensors. The system can identify data within the received signal indicative of characteristics of the vehicle, and determine a classification of the vehicle based on at least the characteristics of the vehicle. Additionally or alternatively, the system may determine a traffic pattern associated with the roadway based on at least the determination of the classification of the vehicle. | 09-18-2014 |
20140278031 | EVENT-BASED TRAFFIC ROUTING - One or more techniques and/or systems are provided for to creating an avoidance zone spatially proximate a venue, where the avoidance zone is created based upon identifying road segments where increased traffic congestion is expected due to an event at the venue. Information pertaining to the avoidance zone, such as a description of road segments to avoid and/or expected travel delays, may be provided to a route planner configured to develop vehicle routes. In this way, the route planner can take into consideration the impact of events on one or more road segments when planning a route. | 09-18-2014 |
20140278032 | TRAFFIC CAUSALITY - One or more techniques and/or systems for providing congestion information for a road segment presently experiencing traffic congestion and/or likely to experience traffic congestion in the future are provided. In some embodiments, traffic models are configured to determine road segments where traffic congestion is likely to occur, to determine a cause of traffic congestion, and/or to determine the effect of such traffic congestion (e.g., the duration of such traffic congestion, the expected time delays due to such traffic congestion, etc.). Congestion information indicative of the cause of congestion and/or the effect(s) of such traffic congestion, for example, may be provided to a user to explain to the user why the congestion is occurring, to describe one or more road segments to avoid, and/or to explain why a particular route was selected as a preferred route to a destination, for example. | 09-18-2014 |
20140278033 | WINDOW-ORIENTED DISPLAYS FOR TRAVEL USER INTERFACES - Vehicular travel may be facilitated by user interfaces presenting travel information. Such user interfaces often involve visual displays positioned peripherally to a window through which an individual operates the vehicle (e.g., displays mounted in a dash or console) and/or non-visual interfaces (e.g., audio, speech recognition, and manual controls). While presenting visuals on the window obscuring the view of the individual may present safety concerns, peripherally presented visual interfaces that distract the gaze of the individual may raise comparable or greater concerns. Instead, visual user interfaces may be displayed on the window through which the individual operates the vehicle (e.g., a windshield or individual eyewear) to presents visuals representing travel information received from a travel service, such as routing, traffic congestion, highlighting vehicles or routes, and rendering non-visible objects (e.g., obscured traffic control signals). Such user interfaces enable user interaction while allowing the individual to maintain gaze through the window. | 09-18-2014 |
20140350832 | COLLECTION, MONITORING, ANALYZING AND REPORTING OF TRAFFIC DATA VIA VEHICLE SENSOR DEVICES PLACED AT MULTIPLE REMOTE LOCATIONS - Traffic management reports are created from data provided by vehicle sensor devices placed at different fixed locations in a region. Data of vehicles that pass each of the vehicle sensor devices are captured and communicated to a central computer database. At the central computer database, traffic management reports are periodically created from the vehicle data. Each traffic management report incorporates vehicle data from a plurality of vehicles. The vehicle data is for a plurality of previous, non-current times so as to allow for analysis of past vehicle data. | 11-27-2014 |
20140358413 | ON-BOARD TRAFFIC DENSITY ESTIMATOR - Traffic density is estimated around a host vehicle moving on a roadway. An object detection system remotely senses and identifies the positions of nearby vehicles. A controller a) predicts a path of a host lane being driven by the host vehicle, b) bins the nearby vehicles into a plurality of lanes including the host lane and one or more adjacent lanes flanking the predicted path, c) determines a host lane distance in response to a position of a farthest vehicle that is binned to the host lane, d) determines an adjacent lane distance in response to a difference between a closest position in an adjacent lane that is within the field of view and a position of a farthest vehicle binned to the adjacent lane, and e) indicates a traffic density in response to a ratio between a count of the binned vehicles and a sum of the distances. | 12-04-2014 |
20140358414 | System and method for creating, storing, and updating local dynamic MAP database with safety attribute - DSRC (Dedicated short range communication) is expected to play a significant role in Transportation applications for Public Safety and Traffic Management. Some of the key applications especially safety and mobility application requires an accurate representation of the road segments. Accordingly, here, in one example, we describe a method and infrastructure for DSRC V2X (vehicle to infrastructure plus vehicle) system. This presentation, e.g., adds the following improvements on the existing technologies, as some of the examples: (a) Using Speed-Profiles for identifying Intersections/mandatory-stops/Speed-limits, etc. Also, the extension of the map coverage using speed profile data. (b) Vehicular density identification for determining confidence of generated MAP. (c) Mechanisms for identifying Lane Attributes, like Lane-Width, Lane-Connections, Possible Movement states, average travel-time on the lane, etc. In this presentation, we provide various methods and systems to manage and update such maps and its corresponding information, plus many variations on those. | 12-04-2014 |
20140365103 | METHOD AND SYSTEM FOR COLLECTING TRAFFIC DATA - A method of identifying congestion comprising the steps of monitoring traffic conditions using off call tracking data relating to cellular mobile communication devices carried in vehicles along an off call path and determining when an off call path crossing time of the call path exceeds a threshold. When the off call path crossing time exceeds the threshold, obtaining traffic data from probe vehicles on roads corresponding to the off call path, and analysing the traffic data to determine the location of the congestion along the off call path. | 12-11-2014 |
20150046076 | Navigation system for vehicles - The present invention relates to vehicles, specifically to an improved navigation system. In order to provide a technology, which will permit drivers of vehicles to better predict consumption and to conserve energy, for example energy in the form of electric battery power or fuel, and to extend the vehicle's driving range, a method for optimizing a driving range of a vehicle, the method typically comprising the following steps: a) predicting driving routes based on a determined start and target route points based on a stored road network model; b) providing additional situation related data comprising environmental factors; c) calculating energy consumption of energy stored on board the vehicle for the predicted driving routes based on the situation related data; and d) determining a most economical route with regards to a minimized energy consumption. | 02-12-2015 |
20150051822 | MANAGING TRAFFIC FLOW - A system or computer usable program product for tracking and routing traffic to avoid congestion via a plurality of user devices including providing a traffic reservation user interface for receiving a plurality of path selections from the plurality of user devices; responsive to predicting a traffic congestion from the plurality of user devices taking into account real-time and predicted conditions, presenting a first set of users with a first set of route selection recommendations via the user interface; and responsive to receiving a plurality of actual routing selections from the first set of users from the user interface, adjusting the traffic prediction, and presenting a second set of users with a second set of route selection recommendations via the user interface to reduce expected traffic congestion. | 02-19-2015 |
20150051823 | MANAGING TRAFFIC FLOW - A method for tracking and routing traffic to avoid congestion via a plurality of user devices including providing a traffic reservation user interface for receiving a plurality of path selections from the plurality of user devices; responsive to predicting a traffic congestion from the plurality of user devices taking into account real-time and predicted conditions, presenting a first set of users with a first set of route selection recommendations via the user interface; and responsive to receiving a plurality of actual routing selections from the first set of users from the user interface, adjusting the traffic prediction, and presenting a second set of users with a second set of route selection recommendations via the user interface to reduce expected traffic congestion. | 02-19-2015 |
20150073688 | Traffic Impact Prediction for Multiple Event Planning - Embodiments relate to traffic impact prediction in a transportation network. Link level background traffic demand in a transportation network may be estimated based on information about available routes, and based on expected background traffic volumes between origins and destinations. A background traffic flow model that optimizes a background flow of the expected background traffic volumes among the available routes to minimize a sum of background congestion costs, background path entropy, and errors between an observed background traffic flow and the optimized background flow may be applied. Alternative routes may be identified based on the available routes and event based control plans. Expected additional event based traffic volumes may be received. A link level total traffic demand in the transportation network may be estimated based on the expected additional event based traffic volumes, the identified alternative routes, and the estimated background traffic demand. | 03-12-2015 |
20150073689 | Traffic Impact Prediction for Multiple Event Planning - Embodiments relate to traffic impact prediction in a transportation network. Link level background traffic demand in a transportation network may be estimated based on information about available routes, and based on expected background traffic volumes between origins and destinations. A background traffic flow model that optimizes a background flow of the expected background traffic volumes among the available routes to minimize a sum of background congestion costs, background path entropy, and errors between an observed background traffic flow and the optimized background flow may be applied. Alternative routes may be identified based on the available routes and event based control plans. Expected additional event based traffic volumes may be received. A link level total traffic demand in the transportation network may be estimated based on the expected additional event based traffic volumes, the identified alternative routes, and the estimated background traffic demand. | 03-12-2015 |
20150081196 | TRAFFIC BOTTLENECK DETECTION AND CLASSIFICATION ON A TRANSPORTATION NETWORK GRAPH - Traffic congestion detection, classification and identification includes analysis of link-speed data representative of vehicular speed and capacity on one or more roadway segments to determine non-linear, multi-segment traffic bottlenecks in a transportation network graph. Link-speed data is processed to detect bottleneck conditions, classify bottlenecks and bottleneck-like traffic features according to their complexity, and identify sustained or recurring bottlenecks. Such a system and method of traffic congestion detection, classification and identification provides a framework for using this link-speed data to detect the head and queue of bottlenecks on a directed graph representing the transportation network, classify the resulting bottlenecks and bottleneck-like traffic features according to the shape of their queue, and identify and measure sustained or recurrent bottlenecks even when the location, or head, of the bottleneck varies slightly across multiple time periods or across multiple days. | 03-19-2015 |
20150100225 | METHOD AND DEVICE FOR COOPERATIVELY BASED NAVIGATION - A method for navigation by road users in the area of a traffic congestion, includes the steps of determining a group of road users in the area of the traffic congestion, who are users of a predetermined service, the capturing of travel data of the members of the group, the determining of driving maneuvers for the members of the group based on the captured driving data and the outputting the driving maneuvers to the associated members of the group. The driving maneuvers are coordinated with one another, in order to reduce the effects of the traffic congestion for the members of the group. | 04-09-2015 |
20150120174 | Traffic Volume Estimation - Method, systems, and devices are described for determining traffic volume of one or more path segments. A computing device may receive probe data associated with a road segment from one or more sources. The computing device selects either a free flow algorithm or a congestion algorithm for the probe data, and calculates an estimated probe quantity from historical data using either the free flow algorithm or the congestion algorithm. A traffic volume may be estimated from the estimate probe quantity. | 04-30-2015 |
20150134233 | Systems and Methods for Identifying Traffic Intersection Restrictions - Embodiments include a computer-implemented method for determining restrictions at an intersection of two roads. The method includes receiving location data from one or more devices used to traverse the intersection via a plurality of paths, identifying the plurality of paths through the intersection from the location data, classifying each of the plurality of paths through the intersection according to a type of path through the intersection, obtaining a count for a type of path through the intersection based on the plurality of classified paths, identifying a potential restriction for the type of path through the intersection based at least in part on the count of the plurality of paths of that type used to traverse the intersection, and storing the potential restriction for that type of path through the intersection in association with map feature data for the intersection. | 05-14-2015 |
20150325119 | Site-specific traffic analysis including identification of a traffic path - A device for site-specific traffic analysis includes: a radar sensor at a traffic space; and an evaluation unit configured to (i) ascertain object trajectories from chronological sequences of object positions of respective objects detected by the radar sensor and moving in the traffic space, (ii) identify the location of at least one traffic path based on a concentration of object trajectories, and (iii) assign further detected objects to a respective traffic path whose location has been identified. | 11-12-2015 |
20150348406 | Traffic Aggregation and Reporting in Real-Time - Systems, apparatuses, and methods are provided for aggregating and reporting real-time traffic conditions. Real-time traffic data for a network is collected. A request from a customer is received for a percentage of the real-time traffic data in the network, the percentage being greater than 0% and less than 100%. The real-time traffic data in the network is aggregated. The aggregated real-time traffic data is reported to the customer. | 12-03-2015 |
20150348407 | Recommendation Engine Based on a Representation of the Local Environment Augmented by Citizen Sensor Reports - An embodiment of the invention provides a method for using a recommendation engine that is based on a representation of the local environment augmented by citizen sensor reports. A traffic simulation is performed with a processor, the traffic simulation being based on input. A receiver receives new input from mobile electronic devices, the new input indicating an event. Current traffic conditions are identified; and, it is determined whether the current traffic conditions differ from estimated traffic conditions by a predetermined threshold. The estimated traffic conditions are a result of the traffic simulation. The traffic simulation is updated when the current traffic conditions differ from the estimated traffic conditions by the predetermined threshold. | 12-03-2015 |
20150360705 | OPERATION MANAGEMENT DEVICE, OPERATION MANAGEMENT METHOD, VEHICLE, VEHICULAR TRAFFIC SYSTEM, AND PROGRAM - An operation management device that manages the operation of a plurality of vehicles that travel along a track is provided with: a vehicle position acquisition unit that acquires the positions of the plurality of vehicles that are present on the track; a density calculation unit that calculates the density of the plurality of vehicles that are traveling along the track within a predetermined range; and a departure determination unit that adjusts the departure time of a target vehicle from a station at which the vehicle stops on the basis of a front direction density indicating the density of vehicles that are traveling within a predetermined range in front of the predetermined target vehicle in the travel direction thereof and a back direction density indicating the density of vehicles that are traveling within a predetermined range in back of the predetermined target vehicle in the travel direction thereof. | 12-17-2015 |
20150379871 | CONGESTION SIGN DETECTION METHOD, PROGRAM, AND CONGESTION SIGN DETECTION DEVICE - A congestion sign detection method that is executed by a congestion sign detection device | 12-31-2015 |
20160012720 | REDUCING ROUTE CONGESTION DURING SIMULTANEOUS REROUTING EVENTS | 01-14-2016 |
20160012722 | METHODS AND SYSTEMS FOR ESTIMATING ROAD TRAFFIC | 01-14-2016 |
20160071411 | Reporting Traffic Conditions on Road Segments Containing a Bottleneck - Methods for reporting traffic conditions on road segments containing a bottleneck include: (a) calculating an amount of traffic congestion on a segment of a roadway, the segment containing a bottleneck, based on a free-flow speed specific to a subsection of the segment from which a report of an observed speed is received; and (b) communicating, by the computer processor, information indicative of the amount of traffic congestion on the segment to a client. Apparatuses for reporting traffic conditions on road segments containing a bottleneck are described. | 03-10-2016 |
20160078758 | AUTOMATIC UPDATE OF CROWD AND TRAFFIC DATA USING DEVICE MONITORING - A first mobile monitoring system includes one or more mobile monitoring devices, a network, a server and a storage memory. The server is implemented to analyze the collected signals and the traffic information to identify at least one traffic flow according to travel routes of the one or more wireless devices; determine whether the identified at least one traffic flow exceeds an updating threshold based on the collected signals; derive at the server when the traffic flow exceeds the updating threshold, an updating priority indicating an order in which the traffic flows are processed based on the collected signals; and update a dynamic traffic transportation plan map based on the at least one traffic flow, the updating threshold and the updating priority. | 03-17-2016 |
20160094300 | METHOD AND APPARATUS FOR ENHANCED PLAYBACK OF CONTENT WHILE SWITCHING AMONG CHANNELS OF BROADCAST OR STREAMED CONTENT WHILE BEING RECEIVED - A system and method provide an enhanced listening experience for a user of a radio receiver or other device that receives broadcast or streamed content having a plurality of program channels. The method and system buffer designated channels at the receiver and, when switching among channels, play back the buffered designated channels during reception from a selected point therein depending on the channel or other criteria. When switching to a different channel during reception, a user is able to hear content in a buffered program channel with music from the start of a song, for example, whereas content in a channel with news, talk radio, or live sports is played back from live reception, even though the content segments are transmitted at different start times relative to their selected times for playback following a channel change. User controls allow navigation among buffered designated channels during reception. | 03-31-2016 |
20160097648 | MANAGED ACCESS SYSTEM FOR TRAFFIC FLOW OPTIMIZATION - The present disclosure relates to methods and systems to manage traffic density in a transportation system, and by doing so, maintain, in one embodiment, traffic flows near optimum levels to maximize road capacity and minimize travel times. The method includes, in one embodiment, a mechanism for vehicles to request road access from a centalized control, a queuing system that allows road access to be granted to individual vehicles over an extended period of time in a fair and organized fashion, a measurement system that allows traffic flow and density throughout the system to be determined in real-time, and an enforcement and fraud prevention mechanism to ensure that the rules and permissions imposed by the system are followed. | 04-07-2016 |
20160133127 | METHODS AND SYSTEMS FOR DESTINATION CONGESTION AVOIDANCE - A remote server having at least one processor in communication with one or more databases is configured to predict a congestion of a destination based on traffic information and/or an estimated amount of people at the destination. The one or more databases may include map information and attendance information. The processor is configured to receive a current location and destination input. The processor may be further configured to query the map information for one or more coordinates for the destination within a predefined distance to the current location. The processor may be further configured to query the attendance information to estimate the number of people at the destination based on the one or more coordinates and compare the estimated number of people to one or more predefined congestion values for the destination. The processor may be further configured to output a congestion prediction for the destination based on the comparison. | 05-12-2016 |
20160153804 | Monitoring and Visualizing Traffic Surprises | 06-02-2016 |
20160163191 | METHOD AND APPARATUS FOR PROVIDING A MIXED MODE TRAFFIC MAP DISPLAY - An approach is provided for presenting comprehensible representation of traffic flow information for various travel segments based on class levels. The approach involves causing, at least in part, a classification of one or more travel segments into one or more class levels. The approach also involves causing, at least in part, a designation of one or more representations of traffic flow information for the one or more travel segments based, at least in part, on the one or more class levels, wherein the one or more representations include, at least in part, a link-based traffic flow representation, a heat-map representation, or a combination thereof. The approach further involves causing, at least in part, a presentation of at least one user interface depicting the one or more representations of the traffic flow information for the one or more travel segments based, at least in part, on the designation. | 06-09-2016 |
20160196742 | METHOD AND DEVICE FOR MONITORING REAL-TIME ROAD CONDITION | 07-07-2016 |
20220139213 | METHOD AND SYSTEM FOR ENHANCING TRAFFIC ESTIMATION USING TOP VIEW SENSOR DATA - A method and a system for controlling at least one of a traffic infrastructure device, an actuator of a traffic participant based on enhanced traffic data is provided. The method comprises steps of monitoring, by a trigger processor, an area; generating, by the trigger processor, trigger data in case a trigger event is determined in the monitored area and providing the generated trigger data indicating an area-of-interest to an image data source; obtaining image data on the area-of-interest based on the transmitted trigger data and transmitting the obtained image data to a traffic evaluation processor; evaluating, by the traffic evaluation processor, the obtained image data to generate enhanced traffic data on the area-of-interest; and outputting, by the traffic evaluation processor, the generated enhanced traffic data in a control signal, wherein the control signal is configured to control the traffic infrastructure device and/or the actuator of the traffic participant. | 05-05-2022 |