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.

Travaux d'été RER A

2021 summer closure of RER A

As every summer since 2015, both RATP and SNCF teams will be mobilised to guide and assist you during the…

agents en station

Multimedia library

Find out more about the RER A summer construction project.

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…


Track replacement: how does it work?

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

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…

Un grand merci pour votre patience

Key players

The Ile-de-France region’s key public transport players have joined forces around the RER A track replacement…