Public inquiry on A6 motorway development from November 16 to December 18, 2026

The prefecture of Essonne is organizing a public inquiry for the A6 motorway improvement project, aiming to enhance traffic flow, safety, and decarbonization.

Generic image of the A6 motorway in the Île-de-France region, showing interchanges and surrounding green areas.
AI

Generic image of the A6 motorway in the Île-de-France region, showing interchanges and surrounding green areas.

A public inquiry regarding the development project for the A6 motorway, between Évry-Courcouronnes and Cély-en-Bière, will take place from November 16 to December 18, 2026. Organized by the prefecture of Essonne, it aims to improve traffic flow, safety, and decarbonization.

This development program includes upgrading interchanges, protecting water resources, creating a multimodal exchange hub, a 7.5 km carpooling lane, and acoustic screens.
An Inquiry Commission, composed of three inquiry commissioners appointed by the prefecture of Essonne, will collect public observations.
Information and participation in the inquiry are available online via a dedicated platform, or in person at town halls where commissioners will hold consultation sessions.
Based on information from the official source: Mairie de Villabé (30/10/2026)