By: Albert S
The Travolution system, co-developed by Audi and traffic management experts, informs the driver of the time remaining until a red light turns green. It then calculates and displays the speed the car must maintain in order to pass through without braking.
The project is currently being developed in Germany so we’re pretty much out of luck. However, there is an alternative, rather sophisticated system in the States called the “yellow light”. When you spot this elusive signal, simply slam on the accelerator and you’ll pass through just fine (abort if you see any flashing red and blue).
More information after the ‘leap’
Frustrating, fuel-sapping stops at red traffic lights could soon be the exception rather than the rule thanks to a new initiative being championed by Audi aimed at streamlining urban traffic flow and reducing CO2 emissions.
The experimental ‘Travolution’ system, developed with Audi support by traffic management experts in the brand’s German home town of Ingolstadt, will not only improve synchronisation and phasing of traffic light networks to reduce stopping times, but could also dramatically reduce the number of actual stops needed by creating a communications link between cars and the traffic light network.
Communications modules built into each traffic light are able to send messages to cars in the vicinity, alerting them to the time remaining until their next green phase. The car’s onboard system is then able to calculate the speed which the driver must maintain in order to pass through the light during this green phase, and displays this via the Multi Media Interface display.
A network of 46 of the ‘intelligent’ traffic lights has been installed in the centre of Ingolstadt, the software to which they are all linked optimising their phasing to bring stopping times down to a minimum, reducing fuel consumption and pollution in the process.
Of the 46 light gantries, three have been upgraded to enable communication with the specially modified A5 and A6 Avant models provided by Audi as part of the 1.2-million Euro pilot project. A further 20 cars and 50 light installations are to be incorporated as the project evolves.
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