RER Line A
St-Germain-en-Laye • Poissy • Cergy
Boissy-St-Léger • Marne la Vallée
Throughout its 109km of track and 46 stations, the RER A serves 7 departments and 41 cities. The termini of the RER A are, to the west of Paris, the stations of Cergy-Le Haut, Poissy, and Saint-Germain-en-Laye, and to the east of Paris, the stations of Boissy-Saint-Léger and Marne-la-Vallée–Chessy. The latter provides access to Disneyland Paris.
The line officially took the name RER A in 1977 when the central section between Auber and Nation was put into service, thus connecting the western and eastern suburbs. Between the stations of Cergy-Le Haut and Houilles-Carrières-sur-Seine, the line shares its tracks with the L line of the Transilien network.
All stations on the RER A line are wheelchair accessible.
To stay informed, you can follow the RER A's information and updates on its dedicated Twitter account as well as on the RER A blog (rera-leblog.fr).
Ongoing maintenance line RER A
RER line A map
Click on the map to enlarge.
RER line A traffic info
Timetable for RER line A
Look up all schedules of all RER lines by selecting a stop.
RER line A Twitter/X
RER line A stations
Did you know?
Accessibility of RER A line
The guide for all stations on line A, downloadable below, allows you to find, for each station, information about accessibility, services, and facilities adapted to different types of disabilities.
To help you on your journey, you can also consult these two guides for an easier trip:
Other lines in Île-de-France
Frequently Asked Questions
How many stations are there on RER line A?
How can I find out which RATP stations and stops are accessible to wheelchair users?
How can I download the Bonjour RATP application?
How long is a Ticket t+ valid for the metro, bus, RER, or tram?