No more red lights? Ford imagines the future

No more red lights? Ford imagines the future

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Imagine a world where negotiating busy junctions does not require you to wait at a red light and the only reason to stop your car is because you have arrived at your destination. Ford is trialling a new way in which connected car technology could set us on that journey. And that takes its lead from how humans negotiate their way through busy crowds. I.e. – by slowing down or speeding up to avoid collisions, without coming to a standstill.

Intersection Priority Management, Ford
photo: Ford

The project’s name is Intersection Priority Management (IPM) and it is a part of the UK Autodrive programme

It aims to keep drivers driving and bring an end to unnecessary stops at junctions. This action eases traffic flow as well as increases safety and efficiency. There was a demonstration of the project’s results on the streets of Milton Keynes, U.K.

“We know that intersections and traffic lights can be a real bugbear for many drivers,” said Christian Ress, supervisor, Driver Assist Technologies, Ford Research and Advanced Engineering. “With the connected car technology we have been demonstrating this week, we envisage a world where vehicles are more aware of each other and their environment, enabling intelligent cooperation and collaboration on the roads – and around junctions.”

Every year, the average driver spends two days waiting at traffic lights

And not only can junctions be frustrating. They are also the cause of up to 60 per cent of road traffic accidents. As well as saving time, avoiding stopping at junctions could also save fuel. Drivers avoid braking and accelerating away from the lights and that leads to economies.

IPM uses vehicle-to-vehicle (V2V) communications to coordinate with other vehicles in the vicinity. It suggests optimum speeds that will allow cars to safely pass by each other at intersections without coming to a halt.

For the trial, test cars had V2V communication systems that broadcast the vehicles’ location, direction of travel and speed. The onboard IPM systems are able to identify an upcoming junction and the trajectory of other vehicles approaching it. It will then suggest an optimum speed for each vehicle as they approach the junction. That speed will allow them to pass through safely.

The vehicles in the trial have people behind the wheel

But the hope is that autonomous vehicles could also benefit from the technology. Automating how vehicles negotiate junctions with each other in this way that may mean that, one day, vehicles could pass through safely and efficiently without the need for traffic lights or road signs. While today’s autonomous vehicles operate independently using the sensor technologies and map data on board, V2V and vehicle-to-everything (V2X) communications technologies could benefit the driverless cars of the future.

Intersection Priority Management, Ford
photo: Ford

IPM builds upon other connected-car technologies developed by Ford and its project partners as part of UK Autodrive

That is a £20 million programme taking self-driving and connected car technologies from the test track to the streets.

During the two-year programme, there were showcases of lots of different technologies. Among them are Intersection Collision Warning, which alerts drivers of potential accidents when approaching an intersection, as well as Green Light Optimal Speed Advisory (GLOSA), which helps cars to synchronise with nearby traffic lights to help them avoid getting stuck on red.

Other features include Collaborative Parking and Emergency Vehicle Warning. The first one builds a crowd-sourced map of a car park’s available spaces. Meanwhile, the other advises drivers of the location and distance of an approaching emergency vehicle.

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