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Jaguar Land Rover Previews New Tech That Works to Keep Traffic Lights Green

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【Summary】Jaguar Land Rover is trailing a new technology called The Green Light Optimal Speed Advisory (GLOSA) system, which allows cars to “talk” to traffic lights and inform the driver the speed they should drive as they approach intersections or traffic signals.

Eric Walz    Nov 15, 2018 1:05 PM PT
Jaguar Land Rover Previews New Tech That Works to Keep Traffic Lights Green
author: Eric Walz   

Driving in traffic is frustrating for many drivers, especially when it seems like you get caught at just about every red traffic light along your route. Other times, drivers might get lucky and catch every green light, making a drive across town much faster. Jaguar Land Rover announced it is working on a new system designed to help drivers avoid getting caught at red traffic lights, as well as to speed up the flow of traffic in urban areas.

The automaker is trailing a new technology called The Green Light Optimal Speed Advisory (GLOSA) system, which allows cars to "talk" to traffic lights and inform the driver the speed they should drive as they approach intersections or traffic signals. The new system is part of a broader technology known as Vehicle-to-Infrastructure or V2X.

The system suggests the optimal speed a driver should maintain to avoid being stuck at an intersection when the traffic signal turns red.

"This cutting-edge technology will radically reduce the time we waste at traffic lights. It has the potential to revolutionize driving by creating safe, free-flowing cities that take the stress out of commuting. Our research is motivated by the chance to make future journeys as comfortable and stress-free as possible for all our customers." said Oriol Quintana-Morales, Jaguar Land Rover Connected Technology Research Engineer.

V2X technology allows a vehicle to communicate with infrastructure, including traffic lights, building and cameras. A camera on a building may one day help a drivers see around a blind corners, letting them know when it is safe to proceed by sharing the camera data with nearby vehicles. A connected car can received this information and alert the driver that another vehicle is approaching. In a self-driving vehicle, the data from the traffic signal or other infrastructure can be used to prepare the vehicle to stop.

Widespread adoption of the V2X technology will prevent drivers from speeding up to avoid getting stuck at a red light and improve air quality and pedestrian safety by reducing harsh acceleration or braking near lights. The goal is for the V2X revolution to create free-flowing cities with fewer delays and less commuter stress.

The advanced technology builds on the connected systems already available on the Jaguar F-PACE such as Adaptive Cruise Control, which can stop the vehicle in traffic jams and maintain a fixed distance from a vehicle traveling ahead.

German automaker Audi is testing out a similar system called Traffic Light Information (TLI), which is part of Audi's connect PRIME feature available on select 2017 and 2018 models in certain cities and metropolitan areas across the U.S.

When one of these TLI equipped Audi models approaches a connected traffic light, it receives real-time signal information from the traffic management system that monitors traffic lights via the vehicle's on-board 4G LTE data connection. When the light is red, the TLI feature displays the time remaining until the signal changes back to green in the instrument cluster or head-up display. This "time-to-green" information helps reduce stress by letting the driver know approximately how much time remains before the light changes.

The connected technology is currently being tested on the Jaguar F-PACE as part of a $25 million collaborative research project. GLOSA is being tested alongside a host of other measures to reduce the time commuters spend stuck in traffic.

Jaguar is also testing an emergency vehicle warning system, that alert motorists when a fire engine, police car or ambulance is approaching.

Connected car technology will eventually connect the vehicle to everything around it, including other vehicles. The technology allows for seamless, free-flowing traffic and increased safety for drivers and pedestrians. The technology is poised to pave the way for the upcoming wave self-driving vehicles.


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