Saturday, April 13

This is how the traffic lights that automatically turn green for emergency vehicles work

Ford has tested connected traffic light technology that could automatically turn green to offer faster routes for ambulances, fire trucks and police vehicles. This is the future of mobility in cities.

The traffic of the big cities is an impediment for all those citizens who are in a hurry. There is nothing more annoying than being late for a meeting and having to wait for nine traffic lights to turn green and for the bus to finish unloading people.

Despite this, these issues are minor things. Life goes on. The problem comes when life is at stake because of a red light and a one-kilometer holdup of cars that don’t move (that’s how they see the future of mobility at NASA).

In this way Ford wants to revolutionize cities with intelligent traffic lights that react to emergency vehicles (ambulances, firefighters, police…) turning green in the lane they are in and red in those they are crossing. gaining time and security.

In emergency situations, anything that slows down emergency services affects how quickly they can get to the sceneand those delays can prove fatal.

Ford has tested a technology of connected traffic lights that could turn green automatically to offer faster routes to ambulances, fire trucks and police vehicles.

could also help reduce the risk of accidents caused by emergency services running red lights.

To test the technology, Ford used a road with eight consecutive traffic lights in Aachen, Germany, and two stretches with three consecutive traffic lights on the outskirts of the city, all of them installed by the project partners.

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The test Ford Kuga Plug-In Hybrid, equipped with on-board units (to communicate with the infrastructure) and fast control hardware (to run the prototype software in the vehicle), acted as an ambulance and passenger car for the different test scenarios.

To rehearse an emergency response situation, the test vehicle signaled the traffic light to turn green. Once the vehicle passed through the intersection, the traffic lights returned to normal operation.

To test everyday driving situations, the test vehicle received information about when traffic lights changed from red to green and from green to red. Ford’s Adaptive Cruise Control technology then adapted the speed of the vehicle to help ensure that a greater proportion of traffic encountered a green light.

Communication between vehicles and traffic lights is possible thanks to C-V2X technology (Cellular Vehicle-to-Everything), a unified platform that connects vehicles with road infrastructureother vehicles and other road users.

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