Network modernisation

RER line B: Evening closures between Châtelet-les-Halles and Aéroport Charles-de-Gaulle 2/Mitry-Claye stations

No service will be operating between Châtelet-les-Halles and Aéroport Charles-de-Gaulle 2/Mitry-Claye stations Monday to Friday from 10:45 p.m., until 29 April 2022 (18 April excluded).

The RER line B upgrade is progressing, with major maintenance work taking place on the northern section of the line. No service will therefore be operating on Monday to Friday from 10:45 p.m. between Châtelet-les-Halles and Aéroport Charles-de-Gaulle 2 and Mitry-Claye stations until Friday 29 April 2022 (18 April excluded).
Replacement services will be provided to allow travel to the closed stations during the work period,, from 10:45 p.m.
travaux RER B

For more detailed information about the work and the replacement services, please click here to visit the RER line B blog.

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Modernisation