Participate in the online consultation

As part of the PRO phase (stage where the project enters a very specific design level) of the Bus entre Seine project, and in accordance with the Environmental Code, Île-de-France Mobilités is organising public participation by electronic means (PPVE).

This approach aims to make available to the public an application for environmental authorisation so that everyone can understand and take ownership of the elements of the project, participate by giving their opinion, asking questions or making observations.

At the end of this participation phase, the contributions collected will be studied and the administrative authority, i.e. the prefecture, will decide on the environmental authorisation.

Presentation of the project

The Bus entre Seine project aims to improve daily public transport travel between the municipalities of Bezons, Argenteuil, Sartrouville and Cormeilles-en-Parisis. To respond to the traffic difficulties that currently penalise the regularity and punctuality of buses, the project provides for the creation of facilities dedicated to buses accompanied by measures to promote their circulation. In addition to improving the transport offer, Bus entre Seine is also a project to requalify public space integrating landscaping, cycle routes and safe pedestrian paths, in order to improve the living environment and promote more sustainable travel.

How to consult the file?

The electronic public participation (EPP) will last for 1 month, from November 2 to December 2, 2026. Throughout the duration of the application, the various documents and documents making up the environmental authorisation application file will be accessible on the website dedicated to the procedure: https://www.registre-numerique.fr/bus-entre-seine

Also, the application for environmental authorisation will be available for consultation in paper version in the town halls of the municipalities along the route (Argenteuil, Bezons, Sartrouville and Cormeilles-en-Parisis) as well as in the prefecture of Val d'Oise and Yvelines.

The practical procedures for accessing the file and opening the various applications can be found in the "Dialogue" section on the "Online consultation" page of the Île-de-France Mobilités website: https://www.iledefrance-mobilites.fr/le-reseau/projets/bus-entre-seine/ppve-bes

How to participate?

Observations, remarks and proposals can then be submitted on the digital register on the same website: https://www.registre-numerique.fr/bus-entre-seine/deposer-son-observation

They can also be sent by e-mail to the address dedicated to the PPVE: [email protected]

At the end of the consultation, a report on public participation will be published and made available to all.