Audi backed ‘Travolution’ project gets the green light

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The experimental ‘Travolution' system, developed with Audi support by traffic management experts in Ingolstadt, Germany, 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 can calculate the speed the driver must maintain in order to reach the light during this green phase, and displays this via the multimedia interface display.

A network of 46 ‘intelligent' traffic lights has been installed in the centre of Ingolstadt, each linked to the software that optimises their phasing to bring stopping times down to a minimum.

Of the 46 light gantries, three have been upgraded to enable communication with the A5 and A6 Avant models specially modified by Audi as part of the €1.2 million pilot project.

Another twenty cars and fifty light installations will be incorporated as the project evolves.


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