RER A: traffic disrupted or interrupted, real-time information on the public transport line

Published by Rizhlaine de Sortiraparis · Published on April 30th, 2024 at 05:00 p.m.
Are there any disruptions on the RER A at the moment? 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 P – Cergy le H /Poissy 24/06-5/07 :
    Période : à partir de 22h

    Dates : du lundi 24 juin au vendredi 5 juillet

    Le trafic est interrompu entre Nanterre Préfecture et Cergy le Haut et entre Nanterre Préfecture et Poissy.

    Un service de bus de remplacement est mis en place entre Sartrouville et Cergy le Haut et entre Sartrouville et Poissy , avec desserte des gares intermédiaires.


    Motif : travaux.


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