An article by Vokya D, added on 30 April 2025 2 min. reading
Major disruptions are planned on RER Line B in May and June 2025, impacting journeys between Charles-de-Gaulle Airport and Paris. Here's essential information to help you plan your journey.
📅 Interruption schedule
La RATP announces traffic interruptions on RER line B on the following dates:
- Saturday 3 and Sunday 4 May 2025 : traffic interrupted between Charles de Gaulle Airport 2 – TGV and Aulnay-sous-Bois.
- From Saturday June 7 to Monday June 9, 2025 : traffic interrupted between Charles de Gaulle Airport 2 – TGV and Aulnay-sous-Bois.
These interruptions affect both directions of traffic, all day and evening until the end of service.
✈️ Impact on travelers
These disruptions directly affect travelers traveling from Charles-de-Gaulle Airport to Paris via the RER B. Replacement buses will be available between the affected stations. It is recommended to allow extra travel time and check shuttle schedules before your departure.
🛠️ Network modernization
This work is part of the RER B network modernization program, aimed at improving the reliability and regularity of the service. The work includes infrastructure renewal and preparation for the arrival of new trains scheduled for the end of 2025.
🧭 Practical advice
Verifiez les horaires : Regularly check traffic information on the RATP website.
Anticipate your trips : Allow extra travel time on blackout days.
Use alternatives : Consider alternative transportation options, such as airport shuttles, taxis, or ride-hailing services.
Get informed in real time : Follow updates on RATP social media or via their mobile app.
For more information, see the page dedicated to RER B works on the RATP website: here