Bad news for RER A commuters. Traffic is partially interrupted this Wednesday morning, February 26, 2025, following"a serious accident involving a person at Joinville-le-Pont station". According to the Transilien SNCF website, train traffic is currently at a standstill between the Fontenay-sous-Bois and Le Parc de Saint-Maur stations. What's the consequence? The Saint-Maur Créteil, Joinville-le-Pont and Nogent-sur-Marne stations are currently inaccessible on RER line A. Traffic should resume around 8:30 am.
Due to this partial interruption of traffic and this serious accident involving a person, Transilien SNCF warns that traffic is"disrupted on the rest of the line".



RER A: traffic disrupted or interrupted, real-time news on the public transport line
Are there any disruptions on the RER A at the moment? Here's real-time information about traffic on this public transport line in the RATP-SNCF network. [Read more]
In addition, several disruptions are expected on RER line A over the coming days and weeks. Due to modernization work, traffic will be interrupted between Nanterre-Préfecture and Achères-Ville / Poissy, from 10pm on March 3 to 7. Also note that no RER A trains will be running between Maisons-Laffitte and Poissy from March 22 to 23, 2025, and between Nanterre-Préfecture and Cergy-Le Haut / Poissy from March 29 to 30.



RER A: upcoming works and closures in 2025
Due to new modernization work, traffic will be interrupted several times on RER line A in February and March 2025. That's what RATP has announced. Find out more about the schedule for these upcoming works and closures on RER line A. [Read more]
Official website
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