Traffic disrupted on Transilien line R after knife attack at Gare de Lyon

At around 8 a.m. this Saturday, a man attacked several passengers with a knife in Hall 3 of the Gare de Lyon, injuring several people, including one in a serious condition. Since then, the area has remained closed and guarded by a large military and police force, while the situation in the rest of the station is normal, with trains running on time. But for users of the Transilien R line, some difficulties are expected on arrival.

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Some trains will be cancelled throughout the day, and traffic will also be slowed down between the Paris Gare de Lyon and Montargis stops, and between Paris Gare de Lyon and Montereau. Trains will have to avoid hall 3 for the duration of the procedure, which is likely to overload halls 1 and 2 and affect the arrivals of users from the Île-de-France region, as TGVs have priority.

Transportation in Île-de-France: Disruptions and Maintenance Work Expected This Weekend, January 31 – February 1
The RATP and SNCF networks will experience further disruptions this weekend, from January 31 to February 1, 2026. Several RER, Transilien, and metro lines will be affected by maintenance work and service interruptions. Here's everything you need to know to plan your travels accordingly. [Read more]