M4 extension to Bagneux
The M4 provides transport services between Porte de Clignancourt and Mairie de Montrouge. The highly-awaited extension south of Paris,…
Public hearings on RER and metro projects
Find out more about current and past public hearings on metro and RER projects, as well as the public hearing results. Each project is…
M1 extension to Val de Fontenay
The M1 extension from Château de Vincennes to Val de Fontenay includes the creation of a 7 km tunnel, 2 km of which will serve as a garage…
Adaptation of M14 stations
The existing M14 stations are being adapted to improve the safety of passenger spaces.
Creation of a new entryway for the Bussy-Saint-Georges station
Launched in July 2017, construction work to create a new entryway for the Bussy-Saint-Georges station has been completed. The opening took…
Construction of sidings and manoeuvring areas at the Marne-la-Vallée Chessy station
Creation of manoeuvring areas, sidings and an improved electrical power system.
RER modernisation projects
Find out more about the RER upgrade projects: three for line A, four for line B.
Metro and RER: increasing passenger capacity and safety
From Paris to Seoul, from Algiers to Mumbai, from Johannesburg to Manilla, we ensure the operation and maintenance of metro and RER rapid…
