Campagne d'affichage RER A

The RER A railworks are now showing!

Quickly discover our print campaign in metro stops and train stations.


All change for summer works in 2019

Since 2015, as part of the work to renew tracks and ballast in Paris, RER line A…

agents en station

Multimedia library

Find out more about the RER A summer construction project.


Track replacement: how does it work?

By 2021, the renovation project will allow 24 kilometres of ballasted track to be entirely replaced, all of…

FAQ RER A Summer Work

FAQ RER A Summer Work

Answers to frequently asked questions about RER A Summer work can be found in this section.

What is the construction work for?

What is the construction work for?

The tracks of the RER A, which has been operating for more than 40 years, incur heavy use, since they now…

RER A entre deux stations

Genesis of the project

Construction work of the RER A line.

Gérard Rollando

Portrait of the RER A

First known as the Regional Metro when inaugurated in 1969, the RER A is a major transport axis for the Ile-de-France region. It forms a…