Are there any disruptions on the RER A at the moment? Industrial action, strikes, demonstrations, roadworks, incidents - here's real-time information about traffic on this public transport line in the RATP-SNCF network.
Introduced into service in 1977, the RER A is now one of Europe's busiest regional express train lines. Spanning 109 kilometers, this line crosses theÎle-de-France region from east to west, with 46 stops serving several towns in the region. These include Saint-Germain-en-Laye and Poissy in Yvelines; Nanterre and Rueil-Malmaison in Hauts-de-Seine; Noisy-le-Grand and Torcy in Seine-et-Marne; Cergy and Neuville-sur-Oise in Val d'Oise; and Vincennes and Fontenay-sous-Bois in Val-de-Marne.
Along the RER A line, you'll find a number of places worth a visit, including Disneyland Paris, the famous theme park in Seine-et-Marne, the Château de Vincennes, the Château Saint-Germain-en-Laye, home to the national archaeology museum, and the La Défense business district.
On its Paris section, the RER A also connects several attractive areas: Charles-de-Gaulle Etoile, at the top of theChamps-Elysées avenue and at the foot of theArc de Triomphe; Auber station, which connects with the department stores of boulevard Haussmann, theGarnier Opera district and Gare Saint-Lazare; Châtelet in the heart of the capital; Gare de Lyon and Nation. The RER A line crosses several major routes in the Paris transport network, offering connections with metro lines 1, 2, 4, 6, 9 and 14, as well as RER lines B and D.
Are you an RER A commuter in the Paris region? We bring you real-time information on traffic on this line. Technical or passenger incidents, industrial action, traffic disruptions or slowdowns, station closures or construction work- here's the latest on current or forthcoming disruptions on the RER A.
- RER A: Nanterre-Préfecture ↔ Cergy le Haut and Poissy, 05/06–05/07:
Period: from 10 p.m.
Dates: Fridays June 5, 12, 19, 26 and July 3.
Period: weekends, all day.
Dates: from Saturday June 6 to Sunday July 5, except Sunday June 21.
Traffic is suspended between Nanterre Préfecture and Cergy le Haut and between Nanterre Préfecture and Poissy.
A replacement bus service will be provided, stopping at the intermediate stations. On Friday evenings, the replacement buses will be at Nanterre–Université. On Saturdays and Sundays, the replacement buses will be at Sartrouville.
Reason: works. - RER A: Nanterre-Préfecture <-> Cergy-le-Haut and Poissy 05/06–05/07:
Period : from 10 p.m.
Dates : Fridays June 5, 12, 19, 26 and July 3.
Period : weekends, all day.
Dates : from Saturday, June 6 to Sunday, July 5, except Sunday, June 21.
Traffic is interrupted between Nanterre Préfecture and Cergy le Haut and between Nanterre Préfecture and Poissy.
A replacement bus service is arranged, serving the intermediate stations. On Friday evenings, the replacement buses operate at Nanterre–Université. On Saturdays and Sundays, the replacement buses operate at Sartrouville.
Reason : construction work. - RER A: Nanterre-Préfecture <-> Cergy-le-Haut and Poissy 05/06–05/07:
Period: from 10 p.m.
Dates: Fridays June 5, 12, 19, 26 and July 3.
Period: weekends, all day.
Dates: Saturday June 6 to Sunday July 5, excluding Sunday June 21.
Traffic is interrupted between Nanterre Préfecture and Cergy Le Haut and between Nanterre Préfecture and Poissy.
A replacement bus service is provided, serving the intermediate stations. On Friday evenings, replacement buses are stationed at Nanterre–Université. On Saturdays and Sundays, replacement buses operate from Sartrouville.
Reason: works. - RER A: Nation from June 29 to August 30:
Period: throughout the day.
Dates: from Monday, June 29 to Sunday, August 30.
Nation station will not be served. It will remain accessible via the Metro lines.
Reason: construction work.
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