Transport in Île-de-France: Upcoming Works and Closures (November 3–9, 2025)
This week, significant disruptions are expected on several metro, RER, and Transilien lines in Paris and the Île-de-France region due to modernization works continuing until November 9, 2025.
Overview of Service Interruptions
After a quieter period, essential modernization projects are resuming on the RATP and SNCF networks. These works will cause service interruptions and replacement buses on multiple routes throughout Paris and Île-de-France.
- Check official RATP and SNCF Connect apps before traveling.
- Consult Île-de-France Mobilités for real-time alternative routes.
This week promises to be challenging, so proactive planning is recommended to avoid inconvenience.
RER C Suspension Due to Fire
Les Invalides station on the RER C line was closed on Monday, November 3, 2025, until 10 a.m., following a fire in a technical room that occurred on November 2, 2025.
Replacement buses will be provided on most affected lines.
For detailed updates, visit the official websites of RATP, SNCF Transilien, and Île-de-France Mobilités.
Author's summary: Extensive modernization work in Île-de-France causes transport disruptions this week; travelers should use official apps to plan alternative routes and expect replacement buses on many lines.