Abstract: In one embodiment, a method for processing vehicle messages is provided. The method comprises: receiving a vehicle message for transmission; determining whether a condition exists to expedite transmission of the vehicle message; determining if a preferential sub-network is available; determining if at least one less preferential sub-network is available; and when the condition exists, when the preferential sub-network is not available for use, and the less preferential sub-network is available, expediting the transmission of the vehicle message over a less preferential sub-network.

Abstract: A computer-implemented method and system for tracking a vehicle's course using geolocation data is provided. The method comprises obtaining a set of predetermined GPS locations representing a closed course; tracking movements of a user using a GPS controller; authenticating the movements of the user against the set of predetermined GPS locations while the client terminal is within a predetermined distance of at least one of the set of predetermined GPS locations; and presenting consolidated timing information about the user's movements along the set of predetermined GPS locations. The system comprises a central processing server in communication with a computer network and configured to obtain information from a central database; and one or more client terminals in communication with the central processing server via the computer network, and configured to provide a graphical user interface for user interaction with the central processing server.

Abstract: An emergency vehicle alert system is an emergency vehicle transmitter system with multiple possible passenger vehicles, motorcycle, and pedestrian receivers that are able to receive the emergency signal when located or passing within a predetermined radius. The system, in addition to the audio warning system, may be adapted to reduce or to silence the volume of radios and personal electronic devices within proximity to the emergency transmission.

Abstract: Methods, systems and computer program products for updating a route of a vehicle based on a broadcast emergency signal are provided. Aspects include receiving, by a navigational device associated with the vehicle, the broadcast emergency signal indicating a route of an emergency vehicle and determining, by the navigational device, whether the route of the vehicle associated with the navigational device overlaps with the route of the emergency vehicle. Aspects also include determining a revised route for the vehicle based on a determination that the route of the vehicle associated with the navigational device overlaps with the route of the emergency vehicle.

Abstract: A vehicle-to-vehicle (V2V) communication transponder for use in V2V communication, safety, optimization and anti-collision systems wherein the transponder records and shares observed traffic signal timing and phasing, and uses this information to make recommendations or perform automatic operation to optimize parameters such as safety, gas mileage, travel time, and overall traffic flow. Methods for sharing and making recommendations are described. Embodiments include considerations of traffic and road history in recommendations. No central authority, road-side equipment, (RSU), or pre-determined lane maps are required. Embodiments include a hybrid protocol using both TDMA and CSMA. Some embodiments are free of MAC and IP addresses. Embodiments include equipped vehicles and V2V system using the transponder.

Abstract: An occupancy based traffic control system for augmenting traffic control mechanisms corresponding to one or more buildings of one or more building types within a geographic subsector is provided. The system includes, a subsector aggregator, an other facility occupancy estimator, and a subsector processor. The subsector aggregator receives energy consumption and outside temperature streams corresponding to a portion of the one or more buildings, and employs occupancy components to generate average occupancy components corresponding to each building type. The other facility occupancy estimator matches the average occupancy components to remaining ones of the one or more buildings not in the first portion according to building type. The subsector processor uses the first and second aggregated occupancy components modify defaults of traffic control devices based on the occupancy estimate to optimize flow of pedestrians and automotive vehicles.

Abstract: Approaches are disclosed for timing the submission of transit signal priority (TSP) requests. A phase selector receives TSP information of a vehicle at a current time, and the phase selector determines an estimated time of arrival (ETA) of the vehicle at an intersection having a traffic signal controlled by an intersection controller. The phase selector determines the arrival phase of the traffic signal at the ETA, along with a phase-relative arrival time of the ETA. The phase selector determines a time to issue the TSP request based on the phase-relative arrival time, and issues the TSP request to the intersection controller at the determined time.

Abstract: Systems and methods are provided for altering the default operation of traffic signals, e.g., static cycling of lights, based on one or more road conditions and/or operating characteristics of vehicles at or near an intersection at which the traffic signals are located. The timing of light changes in traffic signals can be altered based upon a desire to optimize fuel efficiency, prioritize passage of vehicles through the intersection, and/or exhibit favoritism to vehicles that are driven efficiently and/or by drivers contributing to a pay-to-pass system. Traffic signal controllers controlling traffic signals may, over time, learn traffic patterns based on gathered information regarding the operating characteristics of vehicles and/or road conditions.

Abstract: A computer-implemented method and system for tracking a vehicle's course using geolocation data is provided. The method comprises obtaining a set of predetermined GPS locations representing a closed course; tracking movements of a user using a GPS controller; authenticating the movements of the user against the set of predetermined GPS locations while the client terminal is within a predetermined distance of at least one of the set of predetermined GPS locations; and presenting consolidated timing information about the user's movements along the set of predetermined GPS locations. The system comprises a central processing server in communication with a computer network and configured to obtain information from a central database; and one or more client terminals in communication with the central processing server via the computer network, and configured to provide a graphical user interface for user interaction with the central processing server.

Abstract: Systems and methods are disclosed for monitoring or affecting movement of a vehicle using a traffic device. An event data source may have a processor and/or a transceiver. The event data source may transmit, via the transceiver and to a vehicle and infrastructure computing device, information indicative of an event affecting a portion of road. The vehicle and infrastructure computing device may comprise a vehicle and infrastructure control computer. The vehicle and infrastructure computing device may receive, from the event data source, the information indicative of the event affecting the portion of road. The computing device may determine one or more traffic devices associated with the portion of road and configured to control traffic for the portion of road.

Abstract: Techniques for a fully- or semi-autonomously operated vehicle (AV) to signal to or notify a third-party located within the vehicle's environment that the vehicle has detected the third-party's presence are provided. The third-party may be a pedestrian or a passenger in another proximate vehicle. Sensors associated with the AV may provide data via which the third-party's presence (and optionally, movement and behavior) is detected, and signaling device(s) on-board the vehicle may transmit audio, visual, and/or electromagnetic signals into the environment to indicate that the vehicle is aware of the third-party's presence. In some situations, a two-way dialog between the signaling device(s) and the third-party may be established to confirm intended behaviors or actions of the vehicle and/or of the third-party. Increased safety and decreased risk of accident or injury may be provided with AVs in a manner that is familiar to third-parties' defensive signaling with drivers of non-autonomous vehicles.

Abstract: A method of avoiding collisions and preempting traffic signals, including the steps of predicting a first likely travel route of a first vehicle along established roadways; predicting a second likely travel route of a second vehicle along the established roadways; preempting a normal operation of at least one traffic signal at an intersection of roadways along at least one of the first likely travel route and the second likely travel route allowing at least one of the first vehicle and the second vehicle to traverse the intersection; and determining whether both the first vehicle and the second vehicle will be at the intersection within a predefined time interval of each other.

Abstract: A display apparatus in a vehicle, the display apparatus including a sensor configured to acquire vehicle periphery information; a wireless processor configured to transmit and receive information on a virtual traffic signal to and from another vehicle; a display; and a processor configured to detect another vehicle having a possibility of intersection from the vehicle periphery information, generate the virtual traffic signal based on a position relationship between the vehicle and the other vehicle, and display the generated virtual traffic signal on the display.

Abstract: Devices, systems and methods for adaptive traffic signaling, including at least one signal output unit, at least one processor to receive a first input from a traffic signaling control system, and to receive at least one second input from at least one external source, and a wireless communication module to allow communication between the at least one external source and the processor, wherein the processor is to control operation of the signal output unit based on the first input and second input.

Abstract: Embodiments describe new mechanisms for signalized intersection control. Embodiments expand inputs beyond traditional traffic control methods to include awareness of agency policies for signalized control, industry standardized calculations for traffic control parameters, geometric awareness of the roadway and/or intersection, and/or input of vehicle trajectory data relative to this intersection geometry. In certain embodiments, these new inputs facilitate a real-time, future-state trajectory modeling of the phase timing and sequencing options for signalized intersection control. Phase selection and timing can be improved or otherwise optimized based upon modeling the signal's future state impact on arriving vehicle trajectories. This improvement or optimization can be performed to reduce or minimize the cost basis of a user definable objective function.

Abstract: An electronic traffic alert system for communicating with an emergency vehicle and a centralized traffic control station includes a traffic display having a screen for displaying graphics and configured to hold a plurality of modules. The modules are of substantially uniform shape, such that individual modules are interchangeably connectable to the traffic display, and the plurality of modules are mounted below the screen so that at least one of them extends below the traffic display. The traffic display also includes a central processor in communication with the plurality of modules and the screen, with the central processor configured to display a predetermined graphic on the screen according to input from at least one of the plurality of modules, and an interface for transmitting traffic-related information to the traffic display from and a centralized traffic control station.

Abstract: As an off-road vehicle traverses a curved path driven by an operator, a data processor determines an error estimate between the points on the curved path and a generally circular perimeter about an estimated center point consistent with alignment of the curved path to the generally circular perimeter in accordance with a least squares algorithm or a modified least squares algorithm. The data processor or user interface provides an indicator to an operator of the vehicle that an arc length or angular displacement of the curved path with respect to the estimated center point is sufficient to estimate accurately the estimated center point and the radius of the generally circular perimeter if the determined error estimate is less than a threshold error.

Abstract: A system for assisting vehicle driving includes a processor executing a process of assisting vehicle driving; and a memory. The process includes communicating with vehicles to obtain the travel information, storing the travel information in the memory; estimating a target stop position where the vehicle should stop based on the travel information; transmitting the target stop position to the vehicles-obtaining an index indicating at least one of repeatability of driving behavior of a driver, proximity of the behavior to an average value of others, and fuel consumption, determining a first driver corresponding to the index indicating a value less than a value determined based on the travel information of others; and eliminating a stop position information form the travel information stored in the memory, the stop position information indicating a stop position based on the travel information of the vehicle driven by the first driver.

Abstract: A satellite positioning location based control and monitoring system for light rail transit systems which enables transit personnel to track vehicle positions, progress and non-vital signals as light rail vehicles travel through their routes while eliminating the capital and maintenance costs associated with embedded light rail transit monitoring systems.

Abstract: An apparatus for controlling a vehicle light with adjustable light output is provided, whereby the apparatus includes a processor configured to receive on-board diagnostics (OBD) data and to determine a light output mode for the vehicle light in accordance with the OBD data, whereby the OBD data indicates a vehicle condition. The apparatus includes a transceiver coupled to the processor that is configured to signal the light output mode to the vehicle light. A method of controlling a vehicle light is provided that includes receiving OBD data from an OBD system in a vehicle, whereby the OBD data determines a vehicle condition, determining a light output mode of the vehicle light in accordance with the OBD data, and sending to the vehicle light appropriate commands for adjusting the light output in accordance with the determined light output mode.

Abstract: A traffic preemption system comprising a vehicle preemption unit configured to mount to a vehicle and transmit a signal comprising one or more identifying pulses, a detection unit configured to, receive the signal transmitted by the vehicle preemption unit, identify a characteristic of the vehicle preemption unit using the one or more identifying pulses, and calculate a timing delay based on the identified characteristic of the vehicle preemption unit, and an intersection preemption unit configured to receive the timing delay from the detection unit and change a traffic light in response to the timing delay.

Abstract: Systems and methods for real-time emergency vehicle authentication at traffic signal and tollgates are disclosed. In certain example embodiments, a dispatch server can provide identifying credentials and time-bounded intersection tickets (TBIT) to traffic signals and tollgates for conducting authentication of emergency vehicles. The emergency vehicles can transmit a traffic light control message requesting expedited access through a traffic signal or tollgate. The traffic signal or tollgate can decrypt the message using the TBIT. It can further determine if the identifying credential received from the emergency vehicle is authorized for expedited access and if the message was received within a required time period. In response, the traffic signal or tollgate can determine its current signal or gate position and determine if a change needs to be made to provide expedited access to the emergency vehicle.

Abstract: Systems and methods for managing and optimizing mixed fleet worksite operations based on video and or audio data are disclosed. One method includes receiving one or more models relating to a fleet of machines at the worksite, wherein the fleet of machines comprises an in-network machine and an out-of-network machine, receiving first sensor data associated with the out-of-network machine at the worksite, receiving second sensor data associated with the in-network machine at the worksite, determining a machine state of each of the in-network machine and the out-of-network machine based at least on the first sensor data and the second sensor data, comparing the determined machine states to a modeled machine state represented by the received one or more models to classify site operations and/or detect an irregularity in site operations or an inefficiency in site operations, and generating a response based at least on the detected irregularity or inefficiency.

Abstract: Traffic signals include displays and controllers for displaying information relating to the general condition of the traffic signal. The information can include a time remaining in seconds until the next change in the general condition. Traffic signal systems are adaptable to facilitate passage of emergency vehicles through intersections, including traffic signal systems with flat panel screens. The displays can be flat panel screens displaying information in multiple information formats.

Abstract: A traffic control system includes a traffic display for installation near or adjacent existing street signage, which illuminates the signage and displays messages relating to traffic conditions including emergency conditions or the approach of an emergency vehicle. The traffic display is associated with a camera unit, which provides redundant confirmation with a central traffic control that the display is operating correctly, and displaying the message communicated to central traffic control or at its direction. The traffic control system advises drivers of changing traffic conditions in real time, provides control of the system from central traffic control, and allows central traffic control to monitor the functioning of the traffic display.

Abstract: Disclosed are an apparatus and a method for generating a virtual lane, which correct or estimate an undetected lane depending on detection of a lane at each side and a system for controlling lane keeping of a vehicle with the apparatus. The apparatus for generating a virtual lane according to the present invention includes: a lane detection judging unit configured to judge whether both lanes of a front road are normally detected based on a front image; a lane correction unit configured to generate a virtual lane by correcting one lane based on the other lane when it is judged that the one lane of both lanes is not normally detected; and a lane estimation unit configured to generate the virtual lane by estimating both lanes based on previously detected lane information when it is judged that either lane is not normally detected.

Abstract: Devices and methods for detecting traffic objects. Radiated energy is captured at a detection device, wherein the radiated energy is radiated from traffic objects. Data associated with the radiated energy is generated. The data associated with the radiated energy is transmitted using a communication device.

Abstract: Systems and methods for requesting modification of traffic flow control systems that combine satellite position navigation systems and dead reckoning technology with secure radio communications to accurately report a vehicle's real-time location and estimated arrival times at a series of signal lights within a traffic grid or at a distant signal light, while enabling signal controllers to accommodate priority requests from these vehicles, allowing for these vehicles to maintain a fixed schedule with minimal interruption to other grid traffic.

Abstract: The disclosed approaches for processing traffic signal priority requests include receiving traffic signal priority requests from a vehicle. The number of stopped vehicles at the intersection and on an approach to the intersection is determined in response to receiving each priority request. An activation threshold is computed as a function of an estimated-time-of-arrival (ETA) threshold and the number of stopped vehicles. A vehicle ETA of the vehicle at the intersection is determined in response to each priority request. In response to the vehicle ETA being less than the activation threshold, the priority request is submitted for preemption service processing at the intersection. In response to the vehicle ETA being greater than the activation threshold, submission of the priority request is bypassed for preemption service processing at the intersection.

Abstract: Device and method of efficiently controlling a traffic light using identification information having a layered structure are provided. A traffic light control device that controls signal light change of a management-target traffic light includes: a broadcast signal receiving unit that receives a broadcast signal emitted from a traffic control center via a broadcast network, wherein the broadcast signal includes identification information having a layered structure and a control command; and a traffic light control unit that determines whether the management-target traffic light belongs to a target of the control command on the basis of the identification information having a layered structure and that outputs the control signal for performing the signal light change based on the control command only when the management-target traffic light belongs to the target of the control command.

Abstract: Telematic method and apparatus adaptively uses fuel cell power source in vehicle with integrated power system, electrical system, telematic system, and body/powertrain system. Telematic communications systems including internet, digital video broadcast entertainment, digital audio broadcast, digital multimedia broadcast, global positioning system navigation, safety services, intelligent transportation systems, and/or universal mobile telecommunications system. Network-accessible software enables integrated modular function for automated control and provision of fuel cell resources for telematic appliance and/or other vehicle electro-mechanical devices.

Abstract: A smart traffic control device transmits information to approaching vehicles regarding its current and future state enabling vehicles to control their speed to avoid arriving at the traffic control device until it permits the passage of traffic, thus avoiding stopping, idling and reaccelerating when reaching the traffic control device. In other embodiments the traffic control device or systems receives information from vehicles, transmitting it to other vehicles.

Abstract: A method of operation of a navigation system includes: receiving an entry for a destination where an emergency had occurred; detecting a current location for locating an emergency vehicle; receiving traffic information between the current location and the destination for identifying a traffic flow; extrapolating a vehicle location based on the traffic information for locating a non-emergency vehicle in the traffic flow; and generating an emergency route from the current location to the destination by accommodating the vehicle location for displaying on a device.

Abstract: A control arrangement for overriding automated control of sets of traffic lights at a string of intersections. The control arrangement comprises a control unit and a plurality of base units. The control unit comprises electrical circuitry disposed to generate at least one command signal and to wirelessly transmit the at least one command signal comprising traffic light control instructions to the base units. The control unit electrical circuitry comprises a control unit processor. Each of the base units include an electrical circuitry comprising a base unit processor and a receiver, the receiver being disposed to receive the at least one command signal from the control unit, and pass the command single onto other base units, wherein the circuitry comprises a hard wire connection disposed to connect to the mechanical connector of an automated traffic light controller.

Abstract: A system for vehicle to another party communications that includes a vehicle personality module adapted to create a vehicle personality and a communications system that utilizes the created vehicle personality for one or more communications instead of a user's profile. The one or more communications are associated with one or more of an identifier and an icon representing the vehicle personality, with this identifier and/or icon sent with at least one communication and displayable to the recipient of the communication.

Abstract: A method and system for the control and signaling of traffic signal lights by emergency vehicles in the vicinity. Emergency vehicles can be detected by traffic signal lights allowing the emergency vehicle to have a prioritized, rapid, unimpeded, and safe emergency vehicle transit.

Abstract: A system and method for controlling a hot pursuit situation in which an electronic device is attached to a fleeing vehicle to be tracked by projecting it, as by shooting it from a firearm, against the fleeing vehicle. The device is contained in a frangible pellet, having an outer casing containing a sticky substance coating the electronic device contained within that will be attached to the fleeing vehicle upon impact. In addition to containing circuitry for tracking the vehicle, the circuitry of the pellets contain circuitry to change traffic lights in the vicinity of the vehicle to green for the fleeing vehicle so crossing traffic is prevented from moving in front of the fleeing vehicle at an intersection through which the fleeing vehicle is passing.

Abstract: Approaches for issuing preemption requests. The boundaries of a geo-window are repeatedly determined based on locations and headings of a vehicle as the vehicle is traveling along a roadway. The methods and systems determine whether or not any one of a plurality of intersections is located within the boundaries of the geo-window in response to changed boundaries of the geo-window. In response to determining that one of the plurality of intersections is located within the boundaries of the geo-window, a preemption request is transmitted from the vehicle to an intersection controller at the one of the plurality of intersections.

Abstract: A priority control unit is provided for use with light-based and GPS-based traffic control priority systems. The priority control unit includes a light emitter subsystem that is configured to emit pulses of light. The pulses of light encode a priority request for activating preemption of a traffic signal by a light-based traffic control priority system. The priority control unit also includes a GPS-based subsystem that is configured to transmit a priority request by radio waves. The priority request from the GPS-based subsystem is for activating preemption of a traffic signal by a GPS-based traffic control priority system. A switch is coupled to the light emitter subsystem and to the GPS-based subsystem. The switch simultaneously activates both the light emitter subsystem and the GPS-based subsystem for transmitting priority requests in response to user control. In another embodiment, the priority control unit further includes a broadcast based subsystem for transmitting priority requests.

Abstract: Systems and methods for requesting modification of traffic flow control systems that combine satellite position navigation systems and dead reckoning technology with secure radio communications to accurately report a vehicle's real-time location and estimated arrival times at a series of signal lights within a traffic grid or at a distant signal light, while enabling signal controllers to accommodate priority requests from these vehicles, allowing for these vehicles to maintain a fixed schedule with minimal interruption to other grid traffic.

Abstract: Methods and systems for traffic management are disclosed. Location information and a vehicle identifier for a vehicle are received. A current status of the vehicle is determined. Further, it is determined whether the vehicle is located within a defined distance from a lane intersection. A traffic indicator is generated when the vehicle is located within the pre-defined distance from the lane intersection. The traffic indicator is one of a Right of Way (ROW), Stop, Yield or Null. The generated traffic signal is transmitted back to the vehicle.

Abstract: Approaches for monitoring traffic signal preemption at one or more intersections. According to one embodiment, a road map that includes a plurality of roads and intersections is displayed with a computer system. Preemption data periodically received by the computer system from at least one preemption controller at a respective intersection is used to update the road map. In response to the preemption data, the road map is updated to include a traffic signal icon at the respective intersection and a vehicle icon at a location on the map corresponding to a location of a vehicle transmitting a preemption request as indicated by the preemption data.

Abstract: Systems and methods for requesting modification of traffic flow control systems that combine satellite position navigation systems and dead reckoning technology with secure radio communications to accurately report a vehicle's real-time location and estimated arrival times at a series of signal lights within a traffic grid or at a distant signal light, while enabling signal controllers to accommodate priority requests from these vehicles, allowing for these vehicles to maintain a fixed schedule with minimal interruption to other grid traffic.

Abstract: Controlling a traffic signal phase at one or more intersections. A control system at an intersection is configured to operate in one of a first mode or a second mode. While operating the controller in the first mode, in response to a transit priority signal received by the control system from a vehicle assigned transit priority, a green phase of the traffic signal is extended in favor of the vehicle assigned transit priority. While operating the control system in the second mode, in response to a transit priority signal received by the control system from the vehicle assigned transit priority, a current non-green phase of the traffic signal is preempted to a green phase in favor of the vehicle assigned transit priority.

Abstract: Methods and apparatuses are provided for improved traffic control devices including a continuous central hanger support system that is integral to the traffic control device and provides a central load path. In an embodiment of the invention, the terminal housing and traffic signal housing of the traffic control device can be included in a single unit housing. A single unit housing can also include an integral backplate. Also provided are span wire clamps, tether clamps, and mast arm clamps that can be used to affix the continuous central hanger of the traffic control device to various fixtures such as a single span wire, two span wires, a pole or a mast arm. The continuous central hanger integrated with the single unit housing can provide the traffic control device with improved securement of electrical components and structural stability for survivability during high wind events as compared to conventional traffic signal devices.

Abstract: A system and method for setting operating parameters of traffic lamps. A traffic lamp including a memory operates according to one or more operating parameters on the memory. A loading device external to the traffic lamp transfers one or more operating parameters to the traffic lamp, where the traffic lamp sets the operating parameters to the transferred operating parameters.

Abstract: A traffic management system includes a data processing unit which communicates with a road leading unit and a vehicle management unit. The road leading unit comprises a plurality of grooves and isolation railings, the grooves are formed on a road, and the isolation railings are received in the grooves and can be opened to divide the road. The data processing unit can receive vehicle identification information and driving direction information from the vehicle management unit. The data processing unit comprises a data analysis module and a control module. The data analysis module is operable to estimate road condition information and count a total traffic demand index for each road according to the vehicle identification information and the driving direction information. The control module is operable to control the isolation railings to open or retract according to the total traffic demand index.

Abstract: Pedestrian call systems with bidirectional communication between pedestrian call stations and traffic controllers are arranged so as to detect system errors. Communications can be provided over power conductors, and systems can be configured and monitored using a web browser. In one example, traffic systems are provided with Ethernet interfaces that can be used for bidirectional communication over power lines.

Abstract: Disclosed herein is a traveler information monitoring and dissemination system. The system disclosed herein provides real time information to a traveler, wherein the real time information may be pre-selected by the traveler. The system ensures consistent and quality data are produced and issued to the traveler.

Abstract: A wireless push button device and a method for wireless registration of request for activation of a desired pedestrian crosswalk signal system on an existing traffic signal pole comprising of a remote control and a receiver assembly wherein said remote control sends wireless signal to receiver assembly in order to register request for activating a pedestrian crosswalk signal system from a distance and the receiver assembly compares the received signal with that of stored values and sends back random signal for invalid signal, sends back encrypted signal for valid signal and walk signal OFF state and special signal for valid angle and walk signal ON state to the remote control whereby said remote control confirms activation of the pedestrian crosswalk signal system to an user by activating said LED, vibrator/buzzer and also confirms the user when it is safe to use crosswalk by turning on said LED and said vibrator/buzzer.