Although traffic is expected to resume at 2:30pm, the RER A has been partially interrupted between Nanterre-Université and La Défense stations since 12:30pm this Tuesday, January 28, 2025. The cause? A serious personal accident, says RATP on the X account dedicated to RER A traffic.
Transport: disruptions forecast for the metro and RER in February 2025
Partial traffic disruptions on metro lines 2 and 3, total closure on lines 9 and 14, and evening and weekday disruptions on RER B... In February 2025, traffic is disrupted on several metro and RER lines due to modernization work. Find out more about the disruptions announced for the Paris metro and RER. [Read more]
Transport in Île-de-France: disruptions and works this weekend, December 6 and 7, 2025
The RATP and SNCF networks will experience further disruptions this weekend, December 6 and 7, 2025. Several RER, Transilien, and metro lines are affected by construction and disruptions. We'll tell you everything you need to know to plan your trips. [Read more]
Traffic also remains very disrupted on the whole line: in fact, several alternatives are available to get around these interruptions on the RER A. For the Saint-Germain (78) branch, you can catch the RER E from Nanterre la Folie station (a 20-minute walk from Nanterre Université station). For branches to Cergy or Poissy, you canuse line J as a substitute.
The resumption of traffic should not be long in coming: in the meantime, you can always find the possible alternatives here if the resumption is still delayed. We wish you all the best for your day on the Paris transport network!



Transport: disruptions forecast for the metro and RER in February 2025


Transport in Île-de-France: disruptions and works this weekend, December 6 and 7, 2025














