Launch of reduced speed to 70 km/h on the A86 and A4 this Tuesday: What you need to know

Starting this Tuesday, November 4, you'll have to ease off on part of the A86 and A4 motorways. 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.

From Tuesday onwards, the speed limit will be reduced from 90 km/h to 70 km/h over the last four kilometers between Saint-Maurice and Charenton (Val-de-Marne), in the Paris-province direction. The speed limit signs were installed on Monday night, and the same measure will be applied the following night in the opposite direction. The 270,000 vehicles using this stretch of road every day will have to adjust to the new regulations.

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.

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These areas are home to a large number of noise-exposed residents, with approximately 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.

After lengthy discussions, the decision to reduce the speed limit on this stretch by 20 km/h was taken following a double public consultation in the spring. The one-year experiment was formalized by a decree issued by the Prefect of Val-de-Marne, Sophie Thibault, before her departure in mid-October.

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.