RER A Summer work

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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.
RER A Summer work

Multimedia library

Find out more about the RER A summer construction project.
RER A Summer work

Track replacement: how does it work?

By 2021, the renovation project will allow 24 kilometres of ballasted track to be entirely replaced, all of which is underground, including…
RER A Summer work

Genesis of the project

Construction work of the RER A line.
RER A Summer work

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…
RER A Summer work

RER A by the numbers

RER A Summer work

Key players

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

Le renouvellement des voies : comment ça marche ?

D’ici 2021,  le chantier de renouvellement permettra le remplacement intégral de 24 kilomètres de voie ballastée, entièrement sous tunnel…
Travaux Été RER A