We're going to have to ease off on part of the A86 and A4 motorways, reports BFM. Shortly after the speed limit was lowered on the Paris ring road, it's now the turn of the ring road. The reduction in speed from 90 to 70 km/h on theA86 andA4 is part of a drive to reduce noise and air pollution. As for the ring road, this measure should come into force once the regulatory signs have been installed in each direction.
On theA86, motorists will lose around 50 seconds ' travel time at night, and on theA4, the delay will be 33 seconds. However, the noise reduction could reach 40% at night, with a drop of 2.2 decibels, according to the authorities' projections.
The areas concerned by this experiment are sensitive stretches: theA86 between Saint-Denis and La Courneuve extends over 5 km, while theA4 between Saint-Maurice and Charenton-le-Pont covers 4 km. These areas are home to a large number of noise-exposed residents, with around 14,000 inhabitants on the A4 section and 5,000 on the A86. The main objective is to limit noise pollution, particularly at night, in order to improve the quality of life of residents, especially in densely populated areas.
The prefectures of Seine-Saint-Denis and Val-de-Marne are responsible for issuing the necessary orders to make the measure official. The decree for theA86 has yet to be issued, while that for theA4 was published on October 18, 2024. The Direction des Routes d'Île-de-France (DiRIF) will be responsible for implementing the new signage. This speed reduction was the subject of two public consultations between April and May 2024, and the measure will be evaluated over a one-year period. The results of the analyses will determine whether the lower speed will make a significant contribution to reducing noise and environmental pollution.
By reducing speeds on these key stretches, the authorities hope that the impact on air quality and noise pollution will translate into significant improvements for local residents. This is an important step in the transformation of mobility practices around Paris, aimed at reducing urban inconvenience while preserving traffic fluidity.
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