RER A: summer 2021 renovation works, and stations closed

Published by Rizhlaine F., Caroline J. · Published on 10 August 2021 at 09h26
As it happens every summer, renovation works are likely to disturb RER A users. But this year, the famous RER line A will be renovated from June 26 to August 29, 2021 included. Discover now the works and stations closed this summer on the RER A.

Since 2015, RER A users have been dreading the summer period… We must say that for four years now, the famous RER A – used by 325 million travelers every year – undergoes essential works every summer, disturbing the traffic for four weeks straight. The aim of these works? Renewing the rails and the ballast in Paris.

This time, works and perturbations are mostly set on the western part of the line for 9 weeks. Therefore, between Auber and Nanterre - Université • Cergy • Poissy, the traffic will be stoped on evenings from 9 a.m. and all weekend long (24h/a day) from June 26 to August 29, 2021 included.

But careful though, between the Auber and La Défense stations as well as on the Poissy branch, traffic is stopped every day from August 9 to 13 and from August 16 to 20, 2021 included. As a replacement, the SNCF provides bus, transilien train and tramway.

 From August 9 to 13 and from August 16 to 20, 2021 included, trains from and to Saint-Germain-en-Laye will end and depart from Nanterre-Préfecture from the beginning of service to 9 p.m.

Last but not least, the RATP also says that all along the 9 weeks' work, from June 26 to August 29, 2021, the trains' speed is limited to 30km/h between La Défense and Nanterre - Préfecture stations.

Practical information

Dates and Opening Time
From 26 June 2021 to 29 August 2021

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