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.
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