Jaguar Land Rover Green Light Optimal Speed Advisory tech

Jaguar Land Rover trials guidance tech that dodges red traffic lights

Jaguar Land Rover Green Light Optimal Speed Advisory techJaguar Land Rover is trialling a guidance system that helps drivers avoid red lights by telling them the best speed to drive at.

The feature, fitted to a Jaguar F-Pace prototype, uses futuristic Vehicle-to-Infrastructure (V2X) tech, which allows cars to ‘speak’ to infrastructure such as traffic lights.

Cars of the future will know the sequence and timings of traffic lights and set the best speed to avoid stopping at red signals.

JLR future tech will advise the best speed to avoid red traffic lights

Jaguar Land Rover calls it the ‘Green Light Optimal Speed Advisory’ system, or GLOSA. In the prototype, an ideal speed range is shown on the speedo in green: if the driver sticks to this, they’ll pass through the traffic light ahead on green.

The firm says tech such as this will improve air quality because drivers won’t race to beat the lights or get stuck at them and then have to race away again.

The freer-flowing traffic will lead to fewer delays as well – and less-stressed commuters.

Jaguar Land Rover green traffic light technology

Other features developed as part of the V2X project include collision warning systems at junctions, and an emergency vehicle warning – signals are sent to connected cars to say an emergency vehicle is approaching, and in which direction it will arrive.


Oriol Quintana-Morales, Jaguar Land Rover Connected Technology research engineer, said: “This cutting-edge technology will radically reduce the time we waste at traffic lights.

“It has the potential to revolutionise driving by creating safe, free-flowing cities that take the stress out of commuting.”

The system is being tested as part of the UK Autodrive project, which is based in Coventry and Milton Keynes. This is a £20 million government-funded three-year project that aims to speed up the roll-out of self-driving and connected car technology. Jaguar Land Rover is a core partner in the project, which began in October 2015.

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