Modernisation Travaux RER A

RER A: works and closures

In March and april 2025, work is scheduled on the RER A. Here’s everything you need to know.

Last modified on 26 March 2025

1 min read

RER A

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Summary

To adapt your journey

Due to engineering works, RER A service will be suspended on the following dates:

March 24 to 28, 2025
No RER A service between Sartrouville and Cergy-Le Haut / Poissy stations, from 10:15 PM.
March 29 to 30, 2025
No RER A service between Nanterre-Préfecture and Cergy-Le Haut / Poissy stations, 24/7.
April 14 to 18, 2025
No RER A service between Maisons-Laffitte and Cergy-Le Haut stations, from 10:15 PM.
April 21, 2025
No RER A service between Maisons-Laffitte and Poissy stations, from 10:15 PM.
April 22 to 25, 2025
No RER A service between Sartrouville and Cergy-Le Haut / Poissy stations, from 10:15 PM.
April 28 to 30, 2025
No RER A service between Maisons-Laffitte and Poissy stations, from 10:15 PM.

To adapt your journey

Consult the X account @RER_A or the website.
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

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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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