PTV manages Strasbourg’s traffic flow to improve air quality

PTV Group's signal control system has helped Strasbourg’s Eurométropole reduce nitrogen oxide emissions by 8% and particulate matter by 9% in a project which set out to slash emissions by decreasing stop-and-go traffic along one of the city’s main arterial roads. The simulation also cut vehicle stops by 9%. Called PTV Epics, the software tool controlled the waiting times for all road users at the traffic lights, reducing 85% of all cases to 45 seconds, which would otherwise only apply to 35% of road
February 21, 2018 Read time: 2 mins
3264 PTV Group's signal control system has helped Strasbourg’s Eurométropole reduce nitrogen oxide emissions by 8% and particulate matter by 9% in a project which set out to slash emissions by decreasing stop-and-go traffic along one of the city’s main arterial roads. The simulation also cut vehicle stops by 9%.


Called PTV Epics, the software tool controlled the waiting times for all road users at the traffic lights, reducing 85% of all cases to 45 seconds, which would otherwise only apply to 35% of road users.

Frédéric Reutenauer, project officer and vice president project management & services at PTV Group, said: “PTV software helps optimize signal control programs in order to minimize waiting times at traffic lights and thus reduce the number of stop-and-go waves. We used the traffic simulation software PTV Vissim to visualize the effect on traffic by analysing the traffic flow at six signalized intersections of Avenue de Colmar located south of Strasbourg.”

Urban Traffic Control

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