Map, timetables, news and ideas for outings: find out all the information about your line.

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All your trains leaving within the hour from your station in real time.

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Did you know?

The RER B is operated jointly by Transilien SNCF between Charles de Gaulle TGV / Mitry-Claye Airport and Gare du Nord and by RATP on the rest of the line.

Find a Transilien station

Find the timetables, services and equipment available at the Transilien RER B stations.

Tourism on line B

Discover the tourist sites to visit on line B.