Traffic on Transiliens lines N and U is currently interrupted in both directions between La Verrière and Rambouillet. Traffic is expected to resume graduallyat around 6pm.
The end of the day promises to be complicated for Transiliens commuters in western Paris. This Thursday, April 10, 2025, you'll have to be patient or find a solution to reach Rambouillet or Paris in the opposite direction.
According to initial information shared by the SNCF, the interruption is linked to a technical problem on the tracks, detected at around 2pm in the La Verrière sector. Response teams are currently mobilized to secure the site and carry out the necessary repairs.
There are currentlyno trains running between La Verrière and Rambouillet, affecting both line N, which links Paris-Montparnasse to Rambouillet, and line U, which runs between La Défense and La Verrière.
According to the latest estimates from SNCF, traffic is expected to resume gradually from 6pm. However, this time is indicative and will depend on the progress of repairs.
Travelers are therefore advised toanticipate major delays, and even to look for alternative routes fortheir end-of-day journeys.
During this interruption, replacement buses are usually provided to link the stations concerned. Passengers are advised to check real-time information on the Île-de-France Mobilités application or the SNCF Connect website for alternative transport solutions. Alternatively, note that line 7812 serves Rambouillet to Saint-Quentin-en-Yvelines via La Verrières and Coignières.
To keep track of the situation and obtain up-to-date information, passengers can consult the official SNCF website dedicated to traffic information, the SNCF Connect application, or the official Twitter account for lines N and U (@lignesNetU_SNCF), which provide real-time updates on traffic conditions.
