Modernisation Travaux RER A

RER A: works and closures

In December 2024 and January 2025, maintenance work is scheduled on the RER A Line. Here’s everything you need to know.

Last modified on 23 December 2024

1 min read

RER A

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Summary

To adapt your journey

16 December 2024

Due to construction work, traffic on the RER A line will be interrupted on the following dates:

From January 6 to 10, 2025
Between Maisons-Laffitte and Poissy, starting at 10:15 PM
From January 13 to 17, 2025
From January 20 to 24, 2025
From January 27 to 31, 2025
Between Sartrouville and Cergy-Le Haut / Poissy, starting at 10:15 PM
January 25 and 26, 2025
Between Maisons-Laffitte and Poissy, starting at 10:30 PM

To adapt your journey

Consult the X account @RER_A or the blog.
To plan your travel in advance and see your journey time, please consult the itinerary planner.
Consult the map.
Consult the list of others stations with works and closures in progress.

This page is regularly updated to reflect works and closures on the line.

Modernisation Travaux RER A

Do you have a request? Find all the dedicated contacts and services.

Go to the Help & Contact page

Ongoing and upcoming work

Find information about ongoing and upcoming work on your metro, tramway, and RER lines.

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