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

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Did You Know?

The RER A is operated jointly by Transilien SNCF between Cergy-le-Haut / Poissy and Houilles Carrières-sur-Seine and by RATP on the rest of the line.

Find a Transilien station

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

RER A key figures

1,000,000
travelers per day
46
Stations served by the line
76
km

 

Tourism on line A

Discover the tourist sites to visit on line A.