Abstract: Techniques for cooperative vehicle adaptation are disclosed. A method according to one embodiment includes the steps of receiving an indicator of a first vehicle, receiving an indicator of a second vehicle when the second vehicle is within a geographic region of the first vehicle, analyzing the indicator of the first vehicle and the indicator of the second vehicle, and determining an external condition based on the analyzed indicators. The indicators may be fault indicators or internal condition indicators.

Abstract: Disclosed is a vehicle-to-vehicle communication device provided with: a wireless communication unit; a GPS device; a position-information acquisition unit that uses the GPS device to acquire position information; a display unit or a voice output unit; a recording unit in which map information is recorded; an emergency-vehicle detection unit that receives, from the wireless communication unit, emergency-vehicle information that includes information on emergency vehicles, and then on the basis of the position information, the emergency-vehicle information, or the map information, determines whether there are any emergency vehicles within a prescribed range of the local vehicle; a determination unit that, if an emergency vehicle is detected, uses the abovementioned various information to determine the approach status of the emergency vehicle with respect to the local vehicle; and an annunciation unit that uses the display unit or voice output unit to provide a notification of the determined approach status.

Abstract: An emergency vehicle includes a siren signal generator emitting an electronic siren signal. A siren loudspeaker is coupled to the siren signal generator and emits an audible siren sound in response to receiving the electronic siren signal. The loudspeaker has two inputs. An impedance detector is coupled to the two inputs of the loudspeaker and measures impedance across the two inputs of the loudspeaker. The impedance detector outputs a loudspeaker presence signal if the measured impedance is within a predetermined range. A siren signal detector is coupled to the siren signal generator and emits a siren signal presence signal in response to verifying that the electronic siren signal has a set of predetermined siren signal characteristics. Logic circuitry emits an enable signal in response to receiving both the loudspeaker presence signal and the siren signal presence signal. A radio frequency transmitter transmits a radio frequency notification signal in response to receiving the enable signal.

Abstract: A hazardous vehicle alert system comprising a control module, a special graphical user interface, a global positioning system device, a speed and distance detector, and an alarm module where the user sets alarm triggers based on reaction time until potential impact from the hazardous vehicle. The user can assess the landscape, traffic patterns, and specifics of the task at hand to determine the required reaction time to take evasive maneuvers from the threat of on-coming hazardous vehicles and create alarm triggers to yield this reaction time. A software package is used to drive the graphical user interface, control module, alarm module, and detector module. The system includes modes ranging from one to four pieces and a mode that can be installed in a vehicle.

Abstract: In one embodiment, a system and method are provided for detecting a slip condition between a vehicle tire and a road surface, processing contemporaneous vehicle data, such as torque or brake pressure applied, to determine a force of friction, and calculating a coefficient of friction. The coefficient of friction and location of the slip are broadcast to other vehicles driving in the proximity of the slip. The broadcasts may be utilized to notify drivers of slippery driving conditions at or ahead of the vehicle, and/or to limit torque and braking pressure applied to vehicle wheels to enhance traction and avoid slip.

Abstract: A method involves transmitting a first signal to a device, the first signal comprising vehicle identification data and vehicle operational data, receiving a second signal from the device, the second signal comprising road and lane information and vehicle information vectors of other vehicles transiting the road in range of the device, and determining a collision risk based upon the received second signal. The method involves the range-limited communication of vehicle information vectors among a network of devices. The method may include transmitting an operational signal to a vehicle controller, wherein the operation of a vehicle, such as speed, braking, and steering, is altered by the vehicle controller based upon the received operational signal. The method may involve, if the determined collision risk exceeds a predetermined threshold, the transmission of a warning signal by a vehicle computer to a vehicle operator via a warning device controlled by a vehicle controller.

Abstract: A method is provided for sharing data between a host vehicle and remote entity in an inter-vehicle communication system. Wireless messages are transmitted between the remote entity and the host vehicle. The wireless messages include data relating to sensor information used to enhance environmental awareness of surrounding conditions of the host vehicle. A received wireless message includes sensor information transmitted from the remote entity to the host vehicle. The wireless message further includes an uncertainty indicator relating to the remote vehicle's assessment of an uncertainty of the sensor information transmitted by the remote vehicle. The uncertainty affecting an accuracy of the sensor information is assessed for determining a degree for which the sensor information is to be used in evaluating environmental awareness conditions affecting the host vehicle.

Abstract: An authentication system authenticates remotely generated optical control signals. A remote optical emitter transmits an optical control signal from a remote location. A remote authentication device collocated with the remote optical emitter receives an authentication challenge signal and transmits a compatible authentication response signal. A control optical signal processor positioned at a first location receives the optical control signal from the remote optical emitter and generates a control output signal in response to detection of a valid optical control signal. An authentication device is coupled by a real time data communications link with the optical signal processor and with the remote optical emitter.

Abstract: A method for providing an emergency vehicle alert to an occupant of a second vehicle includes: receiving an alert signal at a receiver device on the second vehicle from the emergency vehicle; and, responsive to the received alert signal, automatically warning the occupant of the second vehicle that the emergency vehicle may be approaching and/or is in a vicinity of the second vehicle.

Abstract: An alert system comprising a rearview mirror attached to a windshield of a vehicle, a light connected to a front portion of the rearview mirror, an audible alarm attached to a back portion of the rearview mirror, a processor mounted within the rearview mirror, where the processor activates the light to emit a flash and the audible alarm to emit a sound. A receiver mounted within the rearview mirror wherein the receiver coordinates with the processor to activate the light and the audible alarm when an emergency vehicle comes within a range of detection around the vehicle.

Abstract: In order to provide a device (100) as well as a method for event-triggered communication between and among a plurality of nodes (A, B, C, S), in particular between and among a plurality of mobile nodes, for example between and among a plurality of vehicles, where the aspect of acknowledging the messages is taken into consideration, it is proposed to address at least one message (M1, M2, M3), in particular at least one identifying message (IM) and/or at least one acknowledging notification (AM), to at least one specific node (A, B, C, S), in particular by way of unicast transmission.

Abstract: A method for managing flow of vehicular traffic includes advising drivers of directed vehicles to form a first pack of directed vehicles that has a lead vehicle and at least one trailing vehicle, advising each of the drivers of trailing vehicles in the first pack to maintain a selected inter-vehicle gap; receiving, from a driver of a first vehicle, information concerning an intended destination of the driver; and at least in part on the basis of the information, advising the driver of the first vehicle to join the first pack.

Abstract: Systems and methods for notification of presence of emergency vehicles are described. The system includes an acoustic receiver to be mounted on a car, and a detection circuit connected with the car radio receiver. As soon as the detection circuit detects presence of an emergency vehicle near the car, it lowers the volume of the car radio receiver, thus allowing the car's driver to be alerted of the presence of the emergency vehicle.

Abstract: A safety system is provided for use in a first vehicle at a first location. The safety system includes a position unit configured to determine the first location; a sensor group configured to detect an opening of the enclosure; a controller coupled to the position unit and the sensor group, the controller configured to generate a warning message including the first location when the opening of the enclosure is detected; and a transmitter coupled to the controller and configured to transmit the warning message.

Abstract: An inter-vehicle communication device for a vehicle includes: a transmission element for transmitting information about the vehicle to other vehicles with a predetermined period; a transmission controller for controlling the transmission element; and a detector for detecting a state of an indicator in the vehicle. The indicator informs a person around the vehicle about a state and existence of the vehicle, and the transmission controller controls the transmission element to transmit the information with a period shorter than the predetermined period when the detector detects that the indicator functions.

Abstract: The described method and system provide an early notification to emergency responders regarding a non-nominal condition associated with a vehicle involved in a collision. The system provides a short range wireless system controller in communication with a battery controller. The short range wireless system controller is further in communication with a communications device associated with an emergency responder via broadcast over a short range wireless RF network. If battery physical parameters indicate that the battery has suffered damage rendering the vehicle inoperable, this battery damage information is broadcast over the short range wireless RF network to the communications device associated with the emergency responder. In this way, the emergency responder can quickly aid incident victims without time lost in determining whether or not the high voltage vehicle battery is in a nominal state after the crash.

Abstract: Devices, systems, and methods are provided for alerting a pedestrian, such as a visually impaired pedestrian, of a vehicle in the vicinity. In general, signals are transmitted from a vehicle to a device carried by a pedestrian, such as a mobile terminal. In response, the pedestrian's device may generate an alarm, such as a vibration or an audible alarm, informing the pedestrian that a vehicle is nearby. In some cases, the pedestrian's device may transmit activation signals to the vehicle after receiving the signals from the vehicle. The activation signals may cause speakers on the vehicle to emit an audible alarm, alerting the pedestrian of the presence of the vehicle.

Abstract: System and method are presented which allow a user of a vehicle to initiate a spontaneous call to a nearby vehicle without knowing the phone number, or any other specific contacting details of the nearby vehicle, based on identification signs of the nearby vehicle which are visible to the user of the first vehicle, such as the color of the nearby vehicle, the model and the manufacturer of the vehicle. The system comprising communication means for establishing ad-hoc network communication with the nearby vehicle and display for displaying indications of the visible identification signs to that user.

Abstract: A system for submitting alert notices to mobile communication devices is disclosed. An apparatus that incorporates teachings of the present disclosure may include, for example, a mobile communication device (MCD) having a controller element that transmits to an alert generation system (AGS) a location coordinate in order for the AGS to submit an alert notice to the MCD when the MCD is in proximity to an alert condition. Additional embodiments are disclosed.

Abstract: A method of controlling a wireless communication device that is installed in a moving vehicle. The method comprises receiving roadway topology information and vehicle traffic pattern information, receiving vehicle and wireless communication device performance information from a plurality of other moving vehicles, determining current position information for the moving vehicle; determining a first set of metrics for a performance of the wireless communication device installed in the moving vehicle, estimating at least one second metric related to the performance of the wireless communication device or an ad-hoc network which includes each wireless communication device and changing an operation or routing parameter for the wireless communication device based upon the estimation. The second metric is based upon at least a sub-set of the first set of metrics, the received information and the determined current position information for the moving vehicle.

Abstract: A siren sensor for detecting siren sounds emitted from emergency vehicles and electronic processing circuits for detecting and identifying the siren sounds electronically to control the traffic signal lights at an intersection to permit only the emergency vehicle to travel through an intersection with the right of way. The method and apparatus utilizes an acoustic horn in combination with a microphone for receiving the siren sounds and converting them to corresponding electrical signals. A conventional horn is modified to function as an acoustic lens to filter and amplify the siren sounds applied to the microphone. The modified acoustic horn and microphone combination comprise a tuned and directional audio sensor sensitive in the frequency range of an emergency vehicle siren. The electronic signal processing circuitry amplifies the resulting microphone signals to obtain the maximum sensitivity to the frequency spectrum of siren sounds.

Abstract: Embodiments of the present invention provide a method, system and computer program product for vehicle speed acquisition and citation. In accordance with an embodiment of the present invention, multiple different imaging systems can be placed individually at different locations along a route of travel, such as a highway, byway or waterway. Images of different vehicles can be captured at each of the locations and different ones of the different vehicles can be image-recognized. A time of travel between pairs of the locations can be determined for selected ones of the different vehicles in order to compute a rate of travel for the selected ones of the different vehicles. A citation signal is generated when a speed of a vehicle exceeds a predetermined speed limit such that the vehicle owner may be automatically cited for speeding.

Abstract: A method for vehicular communications and information reporting. First and second wireless Internet connections between respective first and second vehicles and a web-server are provided. First and second event information is transmitted, to the web-server, from the first and second vehicles. The first and second event information relates to the same event in visual range, respectively, of occupants of the first and second vehicles. The web server may transmit, to the first and second vehicles, confirmed event information derived from the first and second event information.

Abstract: Information related to a vehicular environment is disseminated in a multi-hop broadcast network of nodes. Vehicles and roadside units are equipped with the nodes. An event is sensed at a location by a source node. In response, zones are associated with respect to the location of the source node. Each zone is logically asymmetric and disjoint from the other zones. An alert message is broadcast, received, and then rebroadcast by other vehicles according to the locations of the vehicles in the zones. The nodes can also disseminate witness information.

Abstract: Methods, systems, and computer-readable media provide for the reporting of an environmental condition to vehicles prior to encountering the environmental condition. According to various embodiments described herein, local environment data corresponding to the environmental condition is collected from sensors on a vehicle. The local environment data is used to determine that the environmental condition exists at the current location of the vehicle. A notification that includes the geographic location of the environmental condition is created and provided to one or more other vehicles in the vicinity of the environmental condition.

Abstract: A method is provided for delivering data messages in an inter-vehicle ad hoc network. The inter-vehicle ad hoc network utilizes a multi-hop routing protocol for storing, carrying forward and distributing a data message to various vehicles traveling along the road. The method includes determining a first cluster consisting of a group of vehicles proximate to one another traversing along a road in a first direction. A determination is made as to which vehicles within the first cluster are trailer vehicles for re-broadcasting messages based on vehicle position within the first cluster. An event is detected in a travel path of the first cluster by one of the vehicles in the first cluster. The event is reported to other vehicles in the cluster. At least one vehicle in a second cluster moving in an opposite direction to the first cluster is detected. The data message is broadcast from the determined trailer vehicles to the second cluster.

Abstract: A traffic preemption system and related methods. Implementations may include a vehicle preemption unit mounted to a vehicle including an optical transmitter adapted to identify to an intersection preemption unit coupled with an intersection system controller the presence of the vehicle. The vehicle preemption unit may include a vehicle radio transceiver and the optical transmitter and the vehicle radio transceiver may be coupled with a vehicle controller. The intersection preemption unit may include an optical receiver and an intersection radio transceiver. The optical receiver and the intersection radio transceiver may each be coupled with an intersection controller. The intersection preemption unit may be adapted to change a traffic light in favor of the vehicle to which the vehicle preemption unit is mounted in response to an optical signal, a radio signal, or a combination of optical and radio signals from the vehicle preemption unit.

Abstract: A method and system for transmitting a warning message to a driver of a vehicle is provided. Authorization for uploading message data is provided followed by the provision of message data indicative of a plurality of pre-recorded warning messages. The message data are then stored in memory of the transmitter. A responder of the emergency vehicle selects one of the plurality of pre-recorded warning messages. The message data associated with the selected warning message are then encoded and encrypted. The encrypted message data are then processed to generate a RF signal in dependence thereupon which is then transmitted to the vehicle. Upon receipt of the RF signal at the vehicle message data are generated in dependence thereupon which are then decrypted and decoded.

Abstract: A method and apparatus for optimizing communication of data within a disruption tolerant network. The method comprises of receiving a data packet, said data packet including a context and a state related to said context, storing the data packet to a buffer and disseminating the data packet to neighboring vehicles and RSU, and passing said state to an application, said application associated with said application context. In one embodiment, the method functions as a software protocol within a dashboard computer. The apparatus comprises a processor and a memory operable to receive a data packet, said data packet including a context and a state related to said context, store the data packet to a buffer when the context matches an application context, disseminating the data packet to neighboring vehicles and RSU, and pass said state to an application when the context matches an application context, said application associated with said application context.

Abstract: The present invention, the Smart Chip Radio, provides a smart chip or electronic sensor into a vehicle's audio system. This chip or sensor senses the siren of an approaching emergency vehicle even when the driver cannot. It then either reduces the audio system's volume or shuts down the audio system until the siren is fully audible to the driver, and the danger has passed. Thus, the car's Smart Chip Radio system knows of an emergency vehicle's approach, and turns down or turns off the on-board audio equipment to alert the driver to the approach of the emergency vehicle.

Abstract: The emergency vehicle alarm system and method allows a user to select an emergency vehicle alert as a telematics service in a mobile vehicle. Once the user selects the alert service, a telematics operations center determines a service fee, bills the user, and debits the user's account accordingly. The emergency vehicle alert telematics service warns a civilian vehicle of an approaching emergency vehicle. The system includes a transmitter located in the emergency vehicle that transmits a signal adapted for reception by a receiving module of a telematics system located in the civilian vehicle. When the emergency vehicle signal is received by the receiving module in the civilian vehicle, an audio and/or visual alert is generated to alert the occupants of the civilian vehicle that an emergency vehicle is nearby. The civilian vehicle's telematics system may also display relative positioning of the emergency vehicle and the civilian vehicle.

Abstract: A system and method for collision warning in a host vehicle including: detecting a collision risk between the host vehicle and an other user of the road with a detection means based on input from at least one sensor which detects at least one parameter related to the other user of the road with respect to the host vehicle; identifying possible options to avoid a collision between the host vehicle and the other user of the road based on input from the detection means, wherein possible options for the host vehicle to avoid a collision are identified as well as possible options for the other user of the road to avoid a collision are identified; calculating among the identified possible options at least one preferred avoidance action in order to avoid a collision between the host vehicle and the other user of the road; and if the at least one preferred avoidance action involves at least one possible option identified for the other user of the road, then generating a warning signal from the host vehicle in a direc

Abstract: Systems and methods which allow a spotter external to a vehicle to provide signals to a driver of the vehicle in order to facilitate safe backup operations of the vehicle are disclosed. A wireless transmitter, in wireless communication with a receiver positioned within the vehicle, is operated by the spotter. An indicator, also in communication with the receiver, is configured to provide a plurality of audible and/or visible signals perceivable by the driver in response to a wireless signal received by the receiver from the transmitter. The audible and/or visible signals may comprise selected patterned tones and lights which inform the driver whether they should proceed to backup the vehicle or stop the vehicle.

Abstract: A vehicle communication system including a communications link and optionally a vehicle position indicator provided at a medical facility. A visual indicator is provided that is temporarily attachable to or usable in a non-official passenger vehicle to alert other road users that a vehicle is traveling in an emergency situation. A communications link and optionally a vehicle position locator are also temporarily attachable to or usable in a non-official passenger vehicle to communicate with the medical facility to alert the medical facility that the vehicle is traveling to the medical facility in an emergency situation. The visual indicator may be a flashing light, or a lighted warning message or symbol, and may be a one-time use light or may be operable only after receipt of an activation code from the medical facility.

Abstract: A display device of the present invention is mounted on an automotive vehicle. An obstacle located in front of the vehicle is detected by a camera, and its features including speed, distance, size, etc. are analyzed by electronic circuits. An image showing the features of the front object is outputted from a liquid crystal panel. The outputted image is reflected on the windshield, displaying a virtual image to a driver. The virtual image is displayed in a form of a spot encircling the front obstacle seen through the windshield. The ways of displaying the encircling spot are variously changed according to a degree of collision danger that is determined according to a period in which the vehicle reaches the obstacle. For example, if the degree of collision danger is high, the spot is shown in red-orange color and/or with a high brightness. Thus, the driver easily recognizes the front obstacle in a high degree of collision danger.

Abstract: A method and device for determining the air turbulence likely to be encountered by a first aircraft may use a turbulence indication from a second aircraft so as to make and use a prediction of the impact of the turbulence on the first aircraft if it is located in a particular position.

Abstract: A driver advisory system for previewing the local traffic conditions on a highway is described. Apparatus according to an embodiment of the present invention includes an advisory system that transmits information regarding the status of the host vehicle to drivers of other vehicles, in particular when the status of the host vehicle presents a hazardous condition to other vehicles. The advisory system may also receive information from other vehicles, and provide an alert to the driver of the host vehicle if a hazardous condition exists.

Abstract: The present invention relates to a method and system for displaying a driving location of a moving object which controls a Red, Green, Blue (RGB) ratio by corresponding to a property of a road where the moving object travels, differently renders a moving object symbol according to the controlled RGB ratio, and thereby may identify a driving status of the moving object more accurately.

Abstract: Disclosed are embodiments of a vehicle-to-vehicle traffic queue information communication system, a traffic queue information communication device, and method. The system and method embodiments incorporate the use of multiple vehicles. Each vehicle is equipped with a traffic queue information communication device. Each traffic queue information communication device can be used to determine if its corresponding vehicle has entered or exited a queue in a single lane of traffic. When the vehicle is in a queue, the device can communicate with the immediately adjacent vehicles in front and behind. Specifically, it can receive data from the preceding vehicle in the queue and use the received data to determine its position in the queue as well as the estimated time it will take to travel through the queue. Revised data can then be transmitted by the device to the next vehicle in the queue for making the same determinations.

Abstract: A radar warning device with GPS wireless transmission and drive recording functions is revealed. The radar warning device includes a host processor respectively connected with a Global Position System (GPS) module for receiving signals from GPS satellites and providing reliable positioning of vehicles to drivers, a speed-detection warning unit that detects speed detectors on roads, and a drive recorder that takes images inside and outside the car. Moreover, the drive recorder is disposed with a kinematic sensor that senses gravity value variations and data along X-axis, Y-axis and Z-axis so as to determine who is responsible for the car accident. Thereby the radar warning device not only has GPS positioning, radar detection, image capture inside and outside the car and driving condition recording, but also automatically informs related people to deal with events immediately when the radar warning device detects that a car accident occurs or the car is stolen.

Abstract: The present invention provides a method for implementing interactive radio features within a telematics equipped mobile vehicle. The method includes receiving radio station information, detecting an initiation command received from a user interlace, and providing the radio station information to the telematics unit responsive to the detected initiation command. The radio station information may include a radio station message having a telephone number associated with a radio station advertiser. The method may further include receiving a communication command, and initiating a wireless communication via the telematics unit responsive to the received communication command.

Abstract: Various approaches for a traffic control preemption system that includes a receiver, a light emitter, and control circuitry. The receiver includes a photodetector and circuitry that produces a number of electrical pulses in response to each detected light pulse. For each detected light pulse the number of electrical pulses represents a level of radiant power of the light pulse, and a threshold number of electrical pulses and an activation frequency at which the threshold number of electrical pulses is repeated activates preemption. The control circuitry is coupled to the light emitter and controls the light emitter to emit bursts of light pulses. Each burst includes at least two light pulses and a frequency of light pulses in each burst and a frequency of the bursts cause the receiver to produce at least the threshold number of electrical pulses at the activation frequency and activate the preemption.

Abstract: A vehicle communication system includes a plurality of user accounts, each user account corresponding to a user. A server is programmed to receive communication invitations from inviting vehicles, and is programmed to transmit the communication invitations to invitee vehicles to facilitate inter-vehicle communication.

Abstract: A traffic flow advisory system includes a locating device for identifying a position of a driven vehicle. A communication device exchanges vehicle position data, speed data, and heading data with remote vehicles. A processor constructs a traffic flow rate in a plurality of road lanes based on the position data and speed data. A human machine interface indicates to a driver of the driven vehicle the traffic flow rate of each of the road lanes.

Abstract: A system and method for directing when and where an agricultural vehicle should refill a container thereof may comprise a sensor for detecting an amount of material in the container, a location determining device, and a processing device communicably coupled with the sensor and the location determining device, as well as a display, a speaker, and/or an automated steering system. The processing device may use information regarding the amount of material in the container, the location of the agricultural vehicle, and a variety of other factors to determine when the container needs to be refilled and to determine a refill location at which the agricultural vehicle should refill. The processing device may send these refill instructions to the display, the speaker, and/or the automated steering system. The processing device may also alert a refill vehicle to travel to the determined refill location, if necessary.

Abstract: A vehicle-mounted communication device includes a non-directional antenna provided at a vehicle and having a directional characteristic in all directions uniformly in a horizontal plane, at least one of directional antennas provided at the vehicle and having a directional characteristic in a specific direction, an antenna switching portion switching so as to be connected to one of the non-directional antenna and the directional antenna on the basis of information to be sent in a case where the information is sent from the vehicle and switching so as to be connected to one of the non-directional antenna and the directional antenna on the basis of information to be received in a case where the information transmitted through the air is received.

Abstract: A method for vehicular communications and information reporting. First and second wireless Internet connections between respective first and second vehicles and a web-server are provided. First and second event information is transmitted, to the web-server, from the first and second vehicles. The first and second event information relates to the same event in visual range, respectively, of occupants of the first and second vehicles. The web server may transmit, to the first and second vehicles, confirmed event information derived from the first and second event information.

Abstract: A system and device provides an indication signal perceivable by an observer of a vehicle as to whether that vehicle is covered by a valid insurance policy. A database of policy information is consulted by a control system that, in turn, generates a control signal that is transmitted to an indicator device on vehicle to control whether the indicator device signals that a valid insurance policy is in place or is not.

Abstract: A vehicle awareness system for alerting the driver of a motor vehicle the approaching from the rear side of a motorcycle, and for reporting to the rider of the motorcycle that the driver of the motor vehicle has been alerted. The system comprises (a) a motorcycle unit, located on the motorcycle, for transmitting signals toward the traveling lane of that motorcycle; (b) a car unit, located in the motor vehicle, for receiving signals transmitted from the motorcycle unit, and accordingly supplying one or more output signals indicative of the approach of the motorcycle; (c) first warning means, activated by the output signals, for alerting the driver of the motor vehicle regarding the approach of the motorcycle from the rear side; and (d) second warning means, activated by the same output signals, for signaling the driver of the motorcycle that the first warning means are active.

Abstract: A visual warning assembly for disposal at an intersection of a plurality of roadways is disclosed herein. The visual warning assembly includes a housing with first and second openings facing first and second directions. The first and second directions are transverse to one another. The visual warning assembly also includes a first light assembly positioned in the first opening and having a plurality of light emitting diodes arranged in pattern representing an emergency vehicle. The visual warning assembly also includes a second light assembly positioned in the second opening and having a plurality of light emitting diodes arranged in pattern representing an emergency vehicle. The visual warning assembly also includes a signal receiver physically supported by the housings or one or both of the first and second light assemblies. The signal receiver or sensor is operable to receive and communicate a signal emitted by a signal emitter associated with an emergency vehicle.