Transilien line J: disruptions, interruptions and traffic in real time

Published by Laurent de Sortiraparis, Rizhlaine de Sortiraparis · Photos by My de Sortiraparis · Updated on September 9, 2025 at 06:31 p.m.
Should we expect any disruptions on line J today? Whether it's due to a strike, industrial action or technical incidents, here you'll find all the real-time traffic information you need on current and future disruptions and slowdowns on this Transilien line.

Line J of the Transilien network, introduced in 2004, serves 52 stops on a 256 km route. Linking Gare Saint-Lazare, in the heart of Paris's 8th arrondissement, with numerous towns in the Val-d'Oise and Yvelines departments, including Argenteuil, Conflans-Sainte-Honorine and Mantes-la-Jolie, this line is an essential route for thousands of passengers. In the event of a strike or industrial action, traffic can be severely disrupted on this strategic route, impacting daily journeys between Paris and the north-west ofthe Île-de-France region.

Thanks to this line, travelers can access such Parisian heritage gems as the château de Maisons-Laffitte, the château de Saint-Germain-en-Laye, home to the national archaeology museum, theAbbaye de Maubuisson and the astonishing Musée du Jouet in Poissy. Transilien's line J also goes beyond the borders of theIle-de-France region, taking passengers to the Oise and Eure regions at the gateway to Normandy, including the town of Giverny, home of Claude Monet. Line J also has several connections with the RATP and SNCF networks. It can be reached from metro lines 3, 9, 12, 13 and 14, as well as RER lines A, C, E and transilienne lines H, L and N.

But what is thecurrent traffic situation on the J line of the Ile-de-France network? Here you'll find real-time information about current and future disruptions on the J train. Slow or interrupted traffic, stations not served, roadworks and other incidents- here's what to expect.

  • Line J: Paris St-Lazare to Mantes-la-Jolie via Poissy 03-24/05:
    Period: from 10:40 p.m.
    Dates: Sundays May 3, 10, 17, 24 and Saturday May 23.
    The last two trains departing Paris Saint-Lazare for Mantes-la-Jolie via Poissy are canceled.
    The final train from Mantes-la-Jolie via Poissy to Paris Saint-Lazare is canceled.
    An replacement bus service will be provided, with service to the intermediate stations between:
    - Sartrouville <> Les Mureaux.
    - Sartrouville <> Mantes-la-Jolie.
    The last trains running as usual will be:
    - Paris Saint-Lazare to Mantes-la-Jolie via Poissy: 11:17 p.m.
    - Mantes-la-Jolie to Paris Saint-Lazare via Poissy: 10:43 p.m.
    Reason: maintenance works.
  • Line J: Issou–Porcheville <> Mantes-la-Jolie, May 2–3 and May 9–10:
    Period : all day.
    Dates : the weekends of May 2-3 and May 9-10.
    Traffic is suspended between Issou Porcheville and Mantes-la-Jolie.
    A replacement bus service is being set up between Issou Porcheville and Mantes-la-Jolie, with service to the intermediate stations.
    Reason : maintenance work.
  • Line J: Paris Saint-Lazare to Mantes-la-Jolie via Poissy 03/24/05:
    Period : starting at 10:40 p.m.
    Dates : Sundays May 3, 10, 17, 24 and Saturday May 23.
    The last two trains from Paris Saint-Lazare to Mantes-la-Jolie via Poissy are cancelled.
    The final train from Mantes-la-Jolie via Poissy to Paris Saint-Lazare is cancelled.
    A replacement bus service is arranged, serving the intermediate stations between:
    - Sartrouville <> Les Mureaux.
    - Sartrouville <> Mantes-la-Jolie.
    The last trains that will run as normal:
    - Paris Saint-Lazare to Mantes-la-Jolie via Poissy: 23:17
    - Mantes-la-Jolie to Paris Saint-Lazare via Poissy: 22:43
    Reason : works.
  • Line J: Argenteuil <> Conflans-Sainte-Honorine / Mantes / Pontoise 04-29/05 :
    Period: Weekdays, from 9:00 p.m.
    Dates: From Monday, May 4 to Friday, May 29, excluding May 7-8, 13-14 and 25.
    Rail traffic is interrupted between:
    - Argenteuil <> Conflans Sainte-Honorine / Mantes-la-Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service is provided, serving intermediate stations, between:
    - Argenteuil <> Mantes-la-Jolie.
    - Conflans Sainte-Honorine <> Mantes-la-Jolie.
    - Argenteuil <> Conflans Sainte-Honorine / Pontoise.
    The last trains to run as normal:
    - Paris Saint-Lazare to Conflans Sainte-Honorine: 7:30 p.m.
    - Conflans Sainte-Honorine to Paris Saint-Lazare: 10:11 p.m.
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans Sainte-Honorine: 9:16 p.m.
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 9:02 p.m.
    - Paris Saint-Lazare to Pontoise: 9:57 p.m.
    Reason: maintenance works.
  • Line J: Argenteuil <> Conflans-Sainte-Honorine / Mantes / Pontoise 04-29/05:
    Period: on weekdays, from 9:00 PM.
    Dates: from Monday, May 4 to Friday, May 29, excluding May 7-8, 13-14 and 25.
    Traffic is interrupted between:
    - Argenteuil <> Conflans-Sainte-Honorine / Mantes-la-Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service is provided, serving the intermediate stations, between:
    - Argenteuil <> Mantes-la-Jolie.
    - Conflans-Sainte-Honorine <> Mantes-la-Jolie.
    - Argenteuil <> Conflans-Sainte-Honorine / Pontoise. The last trains to run as normal:
    - Paris Saint-Lazare to Conflans-Sainte-Honorine: 7:30 PM.
    - Conflans-Sainte-Honorine to Paris Saint-Lazare: 10:11 PM.
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans-Sainte-Honorine: 9:16 PM.
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans-Sainte-Honorine: 9:02 PM.
    - Paris Saint-Lazare to Pontoise: 9:57 PM.
    Reason: works.
  • Line J: Paris St-Lazare <> Mantes via Poissy, from May 4 to May 29:
    Period: on weekdays, starting at 22:40.
    Dates: from Monday, May 4 to Friday, May 29.
    The last two trains departing Paris Saint-Lazare and heading to Mantes-la-Jolie via Poissy are cancelled.
    The last train from Mantes-la-Jolie via Poissy to Paris Saint-Lazare is cancelled.
    A replacement bus service is in place, serving intermediate stations, between:
    - Sartrouville <> Mantes-la-Jolie.
    - Sartrouville <> Les Mureaux.
    The last trains operating as usual are:
    - Paris Saint-Lazare to Mantes-la-Jolie via Poissy: 23:17
    - Mantes-la-Jolie to Paris Saint-Lazare via Poissy: 22:43
    Reason: works.
  • Line J : Argenteuil <> Conflans-Sainte-Honorine / Mantes-Pontoise 04-29/05 :
    Period: on weekdays, starting at 9:00 PM.
    Dates: from Monday, May 4 to Friday, May 29, excluding May 7-8, 13-14 and 25.
    Traffic is interrupted between:
    - Argenteuil <> Conflans Sainte Honorine / Mantes la Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service is in place, with stops at intermediate stations, operating between:
    - Argenteuil <> Mantes la Jolie.
    - Conflans Sainte-Honorine <> Mantes la Jolie.
    - Argenteuil <> Conflans Sainte-Honorine / Pontoise.
    The last trains running on schedule are:
    - Paris Saint-Lazare to Conflans Sainte-Honorine: 7:30 PM
    - Conflans Sainte-Honorine to Paris Saint-Lazare: 10:11 PM
    - Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine: 9:16 PM
    - Mantes la Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 9:02 PM
    - Paris Saint-Lazare to Pontoise: 9:57 PM.
    Reason: works.
  • Line J: Argenteuil to Conflans-Sainte-Honorine / Mantes-la-Jolie / Pontoise 04-29/05:
    Period: on weekdays, from 9:00 PM.
    Dates: Monday, May 4 to Friday, May 29, excluding May 7–8, 13–14 and 25.
    Traffic is suspended between:
    - Argenteuil <> Conflans Sainte Honorine / Mantes-la-Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service is in place, stopping at intermediate stations, operating between:
    - Argenteuil <> Mantes-la-Jolie.
    - Conflans Sainte-Honorine <> Mantes-la-Jolie.
    - Argenteuil <> Conflans Sainte-Honorine / Pontoise.
    The last trains running as usual are:
    - Paris Saint-Lazare to Conflans Sainte-Honorine: 19:30
    - Conflans Sainte-Honorine to Paris Saint-Lazare: 22:11
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans Sainte-Honorine: 21:16
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 21:02
    - Paris Saint-Lazare to Pontoise: 21:57
    Reason: works.
  • Line J: Argenteuil <> Conflans-Sainte-Honorine / Mantes / Pontoise 04-29/05:
    Period: on weekdays from 9:00 PM onward.
    Dates: Monday, May 4 to Friday, May 29, excluding May 7-8, 13-14 and 25.
    Traffic is suspended between:
    - Argenteuil <> Conflans Sainte-Honorine / Mantes-la-Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service will be provided, stopping at intermediate stations, between:
    - Argenteuil <> Mantes-la-Jolie.
    - Conflans Sainte-Honorine <> Mantes-la-Jolie.
    - Argenteuil <> Conflans-Sainte-Honorine / Pontoise.
    The last trains to run normally are:
    - Paris Saint-Lazare to Conflans-Sainte-Honorine: 7:30 PM
    - Conflans-Sainte-Honorine to Paris Saint-Lazare: 10:11 PM
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans-Sainte-Honorine: 9:16 PM
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans-Sainte-Honorine: 9:02 PM
    - Paris Saint-Lazare to Pontoise: 9:57 PM
    Reason: works.
  • Line J: Argenteuil to Conflans-Sainte-Honorine / Mantes-la-Jolie / Pontoise 04-29/05:
    Period: On weekdays, from 9:00 p.m. onward.
    Dates: From Monday, May 4 to Friday, May 29, excluding May 7-8, 13-14 and 25.
    Traffic is suspended between:
    - Argenteuil <> Conflans Sainte-Honorine / Mantes-la-Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service is provided, stopping at intermediate stations, between:
    - Argenteuil <> Mantes-la-Jolie.
    - Conflans Sainte-Honorine <> Mantes-la-Jolie.
    - Argenteuil <> Conflans Sainte-Honorine / Pontoise.
    The last trains to run normally:
    - Paris Saint-Lazare to Conflans Sainte-Honorine: 7:30 p.m.
    - Conflans Sainte-Honorine to Paris Saint-Lazare: 10:11 p.m.
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans Sainte-Honorine: 9:16 p.m.
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 9:02 p.m.
    - Paris Saint-Lazare to Pontoise: 9:57 p.m.
    Reason: works.
  • Line J: Argenteuil <> Conflans-Sainte-Honorine / Mantes / Pontoise 04-29/05:
    Period: Weekdays after 9:00 PM.
    Dates: Monday, May 4 to Friday, May 29, excluding May 7-8, 13-14 and 25.
    Traffic will be interrupted between:
    - Argenteuil <> Conflans Sainte-Honorine / Mantes-la-Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service will be set up, serving the intermediate stations, between:
    - Argenteuil <> Mantes-la-Jolie.
    - Conflans Sainte-Honorine <> Mantes-la-Jolie.
    - Argenteuil <> Conflans Sainte-Honorine / Pontoise.
    The last trains to operate on their normal schedule are:
    - Paris Saint-Lazare to Conflans Sainte-Honorine: 19:30
    - Conflans Sainte-Honorine to Paris Saint-Lazare: 22:11
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans Sainte-Honorine: 21:16
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 21:02
    - Paris Saint-Lazare to Pontoise: 21:57
    Reason: works.
  • Line J: Argenteuil ↔ Conflans-Sainte-Honorine / Mantes-la-Jolie / Pontoise 04-29/05:
    Period : on weekdays from 9:00 p.m.
    Dates : from Monday May 4 to Friday May 29, excluding May 7-8, 13-14 and 25.
    Traffic is suspended between:
    - Argenteuil <> Conflans Sainte Honorine / Mantes la Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service is in place, serving the intermediate stations, between:
    - Argenteuil <> Mantes la Jolie.
    - Conflans Sainte-Honorine <> Mantes la Jolie.
    - Argenteuil <> Conflans Sainte-Honorine / Pontoise.
    The last trains to run normally are:
    - Paris Saint-Lazare to Conflans Sainte-Honorine: 7:30 p.m.
    - Conflans Sainte-Honorine to Paris Saint-Lazare: 10:11 p.m.
    - Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine: 9:16 p.m.
    - Mantes la Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 9:02 p.m.
    - Paris Saint-Lazare to Pontoise: 9:57 p.m.
    Reason : works.
  • Line J: Paris Saint-Lazare to Mantes via Poissy from May 4 to May 29:
    Period: on weekdays from 10:40 PM.
    Dates: Monday, May 4 to Friday, May 29.
    The two final trains departing Paris Saint-Lazare and heading to Mantes-la-Jolie via Poissy are canceled.
    The last train from Mantes-la-Jolie via Poissy to Paris Saint-Lazare is canceled.
    An alternative bus service is being introduced, serving the intermediate stations, between:
    - Sartrouville <> Mantes-la-Jolie.
    - Sartrouville <> Les Mureaux.
    The last trains operating as usual will be:
    - Paris Saint-Lazare to Mantes-la-Jolie via Poissy: 11:17 PM
    - Mantes-la-Jolie to Paris Saint-Lazare via Poissy: 10:43 PM
    Reason: maintenance/work.
  • Line J: Paris St-Lazare <> Argenteuil from May 4 to May 29:
    Period: on weekdays from 00:10.
    Dates: from Monday, May 4 to Friday, May 29, excluding May 7-8, 13-14 and 25.
    The final two trains (00:45 and 01:02) from Paris Saint-Lazare to Argenteuil are cancelled.
    A replacement bus service will operate, serving intermediate stations, between:
    - Asnières sur Seine <> Argenteuil.
    - Asnières sur Seine <> Pontoise.
    Reason: works.
  • Line J: Conflans-Sainte-Honorine <> Mantes/Pontoise/Gisors 07, 13, 15/05:
    Period: starting at 9:00 PM.
    Dates: Thursday, May 7, Wednesday, May 13, and Friday, May 15.
    Traffic is suspended between:
    - Conflans Sainte-Honorine <> Mantes la Jolie.
    - Conflans Sainte-Honorine <> Pontoise.
    A replacement bus service is in place, serving the intermediate stations, between:
    - Conflans Sainte-Honorine <> Mantes la Jolie.
    - Conflans Sainte-Honorine <> Pontoise. The last trains to run normally:
    Thursday, May 7
    - Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine: 9:16 PM
    - Mantes la Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 9:02 PM
    - Paris Saint-Lazare to Pontoise: 9:57 PM
    - Pontoise to Paris Saint-Lazare: 9:49 PM
    Wednesday, May 13 and Friday, May 15
    - Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine: 9:16 PM
    - Mantes la Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 9:02 PM
    - Paris Saint-Lazare to Pontoise: 9:57 PM
    Reason: works.
  • Line J: Conflans Ste-Honorine <> Mantes/Pontoise/Gisors May 7, 13, 15:
    Period: from 9:00 PM.
    Dates: Thursday, May 7, Wednesday, May 13 and Friday, May 15.
    Traffic is suspended between:
    - Conflans Sainte-Honorine <> Mantes la Jolie.
    - Conflans Sainte-Honorine <> Pontoise.
    A replacement bus service is provided, with stops at the intermediate stations, between:
    - Conflans Sainte-Honorine <> Mantes la Jolie.
    - Conflans Sainte-Honorine <> Pontoise. The last trains to run normally:
    Thursday, May 7
    - Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine: 21h16
    - Mantes la Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 21h02
    - Paris Saint-Lazare to Pontoise: 21h57
    - Pontoise to Paris Saint-Lazare: 21h49
    Wednesday, 13 and Friday, 15 May
    - Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine: 21h16
    - Mantes la Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 21h02
    - Paris Saint-Lazare to Pontoise: 21h57
    Reason: works.
  • Ligne J : Conflans Ste-Honorine <> Mantes la Jolie 30/04-25/05 :
    Période : à partir de 20h50..
    Dates : le jeudi 30 avril, les vendredis 1er et 08 mai, le jeudi 14 et lundi 25 mai.
    Le trafic est interrompu entre Conflans Sainte-Honorine <> Mantes la Jolie.
    Un service de bus de remplacement est mis en place entre Conflans Sainte-Honorine <> Mantes la Jolie, avec desserte des gares intermédiaires.
    Les derniers trains à circuler normalement :
    Jeudi 30 avril
    - Paris Saint-Lazare vers Mantes la Jolie via Conflans Sainte-Honorine : 21h57
    - Mantes la Jolie vers Paris Saint-Lazare via Conflans Sainte-Honorine : 22h19
    Vendredi 1er et 08 mai
    - Paris Saint-Lazare vers Mantes la Jolie via Conflans Sainte-Honorine : 20h51
    - Mantes la Jolie vers Paris Saint-Lazare via Conflans Sainte-Honorine : 20h50
    Information complémentaire :
    - Le jeudi 14 et le lundi 25 mai, toute la journée, les trains missions Paris Saint-Lazare <> Mantes la Jolie via Conflans Sainte-Honorine sont rendus terminus en gare de Issou Porcheville. Bus de remplacement mis en place entre Issou Porcheville <> Mantes la Jolie.
    Motif : travaux.
  • Line J: Argenteuil to Conflans-Sainte-Honorine / Mantes-la-Jolie / Pontoise, 04-29/05:
    Period: on weekdays, from 9:00 PM.
    Dates: from Monday, May 4 to Friday, May 29, excluding May 7-8, 13-14 and 25.
    Traffic is suspended between:
    - Argenteuil <> Conflans Sainte-Honorine / Mantes-la-Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service is in place, serving the intermediate stations, between:
    - Argenteuil <> Mantes-la-Jolie.
    - Conflans Sainte-Honorine <> Mantes-la-Jolie.
    - Argenteuil <> Conflans Sainte-Honorine / Pontoise.
    The last trains to run on schedule:
    - Paris Saint-Lazare to Conflans Sainte-Honorine: 19:30
    - Conflans Sainte-Honorine to Paris Saint-Lazare: 22:11
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans Sainte-Honorine: 21:16
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 21:02
    - Paris Saint-Lazare to Pontoise: 21:57
    Reason: construction works.
  • Line J: Argenteuil <> Conflans Sainte-Honorine / Mantes / Pontoise 04-29/05:
    Period: on weekdays from 9:00 PM.
    Dates: Monday, May 4 to Friday, May 29, excluding May 7-8, 13-14 and 25.
    Traffic is suspended between:
    - Argenteuil <> Conflans Sainte-Honorine / Mantes-la-Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service is in place, serving the intermediate stations, between:
    - Argenteuil <> Mantes-la-Jolie.
    - Conflans Sainte-Honorine <> Mantes-la-Jolie.
    - Argenteuil <> Conflans Sainte-Honorine / Pontoise.
    The last trains operating as usual:
    - Paris Saint-Lazare to Conflans Sainte-Honorine: 7:30 PM
    - Conflans Sainte-Honorine to Paris Saint-Lazare: 10:11 PM
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans Sainte-Honorine: 9:16 PM
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 9:02 PM
    - Paris Saint-Lazare to Pontoise: 9:57 PM
    Reason: works.
  • Ligne J : Argenteuil to Conflans-Sainte-Honorine / Mantes / Pontoise, 29 Apr–5 May:
    Period: on weekdays, starting at 9:00 PM.
    Dates: from Monday, May 4 to Friday, May 29, with exceptions on May 7-8, 13-14 and 25.
    Traffic will be suspended between:
    - Argenteuil <> Conflans-Sainte-Honorine / Mantes-la-Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service will be in operation, serving the intermediate stations, between:
    - Argenteuil <> Mantes-la-Jolie.
    - Conflans-Sainte-Honorine <> Mantes-la-Jolie.
    - Argenteuil <> Conflans-Sainte-Honorine / Pontoise.
    The last trains running as scheduled are:
    - Paris Saint-Lazare bound for Conflans-Sainte-Honorine: 7:30 PM
    - Conflans-Sainte-Honorine bound for Paris Saint-Lazare: 10:11 PM
    - Paris Saint-Lazare bound for Mantes-la-Jolie via Conflans-Sainte-Honorine: 9:16 PM
    - Mantes-la-Jolie bound for Paris Saint-Lazare via Conflans-Sainte-Honorine: 9:02 PM
    - Paris Saint-Lazare bound for Pontoise: 9:57 PM
    Reason: maintenance work.
  • Line J: Argenteuil <> Conflans-Sainte-Honorine / Mantes / Pontoise 04-29/05:
    Period: on weekdays, after 9:00 p.m.
    Dates: from Monday, May 4 to Friday, May 29, excluding May 7-8, 13-14 and 25.
    Traffic is suspended between:
    - Argenteuil <> Conflans Sainte-Honorine / Mantes-la-Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service will operate, serving the intermediate stations, between:
    - Argenteuil <> Mantes-la-Jolie.
    - Conflans Sainte-Honorine <> Mantes-la-Jolie.
    - Argenteuil <> Conflans Sainte-Honorine / Pontoise. The last trains to run normally:
    - Paris Saint-Lazare to Conflans Sainte-Honorine: 19:30
    - Conflans Sainte-Honorine to Paris Saint-Lazare: 22:11
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans Sainte-Honorine: 21:16
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 21:02
    - Paris Saint-Lazare to Pontoise: 21:57
    Reason: works.
  • Line J: Argenteuil <> Conflans-Sainte-Honorine / Mantes/Pontoise 04-29/05:
    Period: Weeknights from 9:00 PM onward.
    Dates: From Monday, May 4 to Friday, May 29, excluding May 7-8, 13-14 and 25.
    Traffic will be interrupted between:
    - Argenteuil – Conflans-Sainte-Honorine / Mantes-la-Jolie.
    - Argenteuil – Pontoise.
    A replacement bus service will operate, serving the intermediate stations, between:
    - Argenteuil – Mantes-la-Jolie.
    - Conflans-Sainte-Honorine – Mantes-la-Jolie.
    - Argenteuil – Conflans-Sainte-Honorine / Pontoise.
    The last trains to run normally:
    - Paris Saint-Lazare to Conflans-Sainte-Honorine: 7:30 PM
    - Conflans-Sainte-Honorine to Paris Saint-Lazare: 10:11 PM
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans-Sainte-Honorine: 9:16 PM
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans-Sainte-Honorine: 9:02 PM
    - Paris Saint-Lazare to Pontoise: 9:57 PM
    Reason: construction works.
  • Line J: Argenteuil <> Conflans-Sainte-Honorine / Mantes / Pontoise 04-29/05:
    Period: on weekdays, from 9:00 p.m.
    Dates: from Monday, May 4 to Friday, May 29, excluding May 7–8, 13–14 and 25.
    Traffic will be suspended between:
    - Argenteuil <> Conflans Sainte Honorine / Mantes la Jolie.
    - Argenteuil <> Pontoise.
    A substitute bus service will be provided, stopping at intermediate stations, between:
    - Argenteuil <> Mantes la Jolie.
    - Conflans Sainte-Honorine <> Mantes la Jolie.
    - Argenteuil <> Conflans Sainte-Honorine / Pontoise. The last trains operating as normal are:
    - Paris Saint-Lazare to Conflans Sainte-Honorine: 19:30
    - Conflans Sainte-Honorine to Paris Saint-Lazare: 22:11
    - Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine: 21:16
    - Mantes la Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 21:02
    - Paris Saint-Lazare to Pontoise: 21:57
    Reason: works.
  • Line J: Argenteuil to Conflans-Sainte-Honorine / Mantes-la-Jolie / Pontoise, 04-29/05:
    Period: on weekdays, from 9:00 PM.
    Dates: from Monday, May 4 to Friday, May 29, excluding May 7-8, 13-14 and 25.
    Traffic is interrupted between:
    - Argenteuil <> Conflans Sainte Honorine / Mantes la Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service is provided, serving the intermediate stations, between:
    - Argenteuil <> Mantes la Jolie.
    - Conflans Sainte-Honorine <> Mantes la Jolie.
    - Argenteuil <> Conflans Sainte-Honorine / Pontoise.
    The last trains to run normally:
    - Paris Saint-Lazare to Conflans Sainte-Honorine: 7:30 PM
    - Conflans Sainte-Honorine to Paris Saint-Lazare: 10:11 PM
    - Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine: 9:16 PM
    - Mantes la Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 9:02 PM
    - Paris Saint-Lazare to Pontoise: 9:57 PM
    Reason: maintenance works.
  • Line J: Argenteuil <> Conflans-Sainte-Honorine / Mantes / Pontoise 04-29/05:
    Period: on weekdays, from 9:00 PM onwards.
    Dates: from Monday, May 4 to Friday, May 29, excluding May 07-08, 13-14 and 25.
    Traffic will be suspended between:
    - Argenteuil <> Conflans Sainte Honorine / Mantes la Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service will operate, serving the intermediate stations, between:
    - Argenteuil <> Mantes la Jolie.
    - Conflans Sainte-Honorine <> Mantes la Jolie.
    - Argenteuil <> Conflans Sainte-Honorine / Pontoise.
    The last trains to run on their usual schedule:
    - Paris Saint-Lazare to Conflans Sainte-Honorine: 7:30 PM
    - Conflans Sainte-Honorine to Paris Saint-Lazare: 10:11 PM
    - Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine: 9:16 PM
    - Mantes la Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 9:02 PM
    - Paris Saint-Lazare to Pontoise: 9:57 PM
    Reason: works.
  • Line J. From May 11 to 29. Some trains are not running. :
    From Monday the 11th to Friday the 29th of May, the transport offer is heavily adapted. Some trains will not run. This is the consequence of the operational incident that has made certain trains unavailable. Three trains have their timetables modified: - From the 11th to the 13th, and on the 15th of May: a train departing Boissy L’Aillerie will leave at 20:50 instead of 21:07. - From the 11th to the 13th, and on the 15th of May: the train departing Gisors will leave at 07:13 instead of 07:16 and will serve all stations from Gisors to Pontoise. - On the 12th and 13th of May: the first train departing Conflans Ste Honorine will leave at 04:39 instead of 04:56. It will make additional stops at: Le Stade, Colombes, Bois Colombes and Asnières sur Seine. Teams are mobilized to restore normal service as quickly as possible. Some trains will call at additional stops to compensate for reduced service at certain stations. The transport offer is revised each week. We recommend checking your train times before you head to the station. Find more information on the Blog Ligne J
  • Line J: Paris Saint-Lazare <> Argenteuil from 04 to 29/05:
    Period: on weekdays, starting at 00:10.
    Dates: from Monday, May 4 to Friday, May 29, excluding May 7-8, 13-14 and 25.
    The last two trains (00:45 and 01:02) from Paris Saint-Lazare to Argenteuil are cancelled.
    A replacement bus service is in place, stopping at the intermediate stations, between:
    - Asnières-sur-Seine <> Argenteuil.
    - Asnières-sur-Seine <> Pontoise.
    Reason: maintenance work.
  • Labor action on 12/05, traffic disrupted. :
    Line J: Local social movement on Tuesday, May 12, 2026.
    Traffic on Line J is likely to be disrupted on May 12, 2026.
    Where possible, we advise you to limit your travel.
    To plan your trip, check the app at 5:00 p.m. the day before on the Île-de-France Mobilités app, the website Transilien.com, SNCF Connect, or your mobility app.
    Reason : Local social movement
  • Line J: Conflans-Sainte-Honorine to Mantes/Pontoise/Gisors, May 7, 13, 15.
    Period: from 9:00 p.m.
    Dates: Thursday, May 7; Wednesday, May 13; and Friday, May 15.
    Rail traffic is interrupted between:
    - Conflans Sainte-Honorine <> Mantes-la-Jolie.
    - Conflans Sainte-Honorine <> Pontoise.
    A replacement bus service will be provided, with stops at the intermediate stations, between:
    - Conflans Sainte-Honorine <> Mantes-la-Jolie.
    - Conflans Sainte-Honorine <> Pontoise. The last trains to run normally:
    Thursday, May 7
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans Sainte-Honorine: 21:16
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 21:02
    - Paris Saint-Lazare to Pontoise: 21:57
    - Pontoise to Paris Saint-Lazare: 21:49
    Wednesday, May 13 and Friday, May 15
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans Sainte-Honorine: 21:16
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 21:02
    - Paris Saint-Lazare to Pontoise: 21:57
    Reason: works.
  • Line J: Conflans Sainte-Honorine <> Mantes/Pontoise/Gisors 07, 13, 15/05:
    Period : from 9:00 PM.
    Dates : Thursday, May 7; Wednesday, May 13 and Friday, May 15.
    Traffic is disrupted between:
    - Conflans-Sainte-Honorine <> Mantes-la-Jolie.
    - Conflans-Sainte-Honorine <> Pontoise.
    A replacement bus service will be operated, serving the intermediate stations, between:
    - Conflans-Sainte-Honorine <> Mantes-la-Jolie.
    - Conflans-Sainte-Honorine <> Pontoise. The last trains to run normally:
    Thursday, May 7
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans-Sainte-Honorine: 21:16
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans-Sainte-Honorine: 21:02
    - Paris Saint-Lazare to Pontoise: 21:57
    - Pontoise to Paris Saint-Lazare: 21:49
    Wednesday, May 13 and Friday, May 15
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans-Sainte-Honorine: 21:16
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans-Sainte-Honorine: 21:02
    - Paris Saint-Lazare to Pontoise: 21:57
    Reason : works.
  • Line J: Conflans-Sainte-Honorine <> Mantes/Pontoise/Gisors 07, 13, 15 May:
    Period: from 21:00.
    Dates: Thursday, May 7; Wednesday, May 13; and Friday, May 15.
    Traffic will be interrupted between:
    - Conflans Sainte-Honorine <> Mantes la Jolie.
    - Conflans Sainte-Honorine <> Pontoise.
    A replacement bus service will be provided, with stops at intermediate stations, between:
    - Conflans Sainte-Honorine <> Mantes la Jolie.
    - Conflans Sainte-Honorine <> Pontoise. The last trains to run normally:
    Thursday, May 7
    - Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine: 21:16
    - Mantes la Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 21:02
    - Paris Saint-Lazare to Pontoise: 21:57
    - Pontoise to Paris Saint-Lazare: 21:49
    Wednesday, May 13 and Friday, May 15
    - Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine: 21:16
    - Mantes la Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 21:02
    - Paris Saint-Lazare to Pontoise: 21:57
    Reason: construction works.
  • Line J: Issou–Porcheville <> Mantes-la-Jolie on 14 and 16–17 May:
    Period: all day.
    Dates: Thursday, May 14 and from Saturday, May 16 to Sunday, May 17.
    Traffic is suspended between Issou Porcheville <> Mantes la Jolie.
    A replacement bus service is in operation between Issou Porcheville <> Mantes la Jolie, serving the intermediate stations.
    Reason: works.
  • Line J: Issou Porcheville <> Mantes la Jolie 14 and 16-17 May:
    Period: all day.
    Dates: Thursday, May 14 and Saturday May 16 to Sunday May 17.
    Traffic is suspended between Issou Porcheville and Mantes-la-Jolie.
    A replacement bus service will operate between Issou Porcheville and Mantes-la-Jolie, stopping at intermediate stations.
    Reason: works.
  • Line J: Argenteuil <> Conflans-Sainte-Honorine / Mantes / Pontoise 04-29/05:
    Period: Weekdays, from 9:00 PM.
    Dates: From Monday, May 4 to Friday, May 29, excluding May 7–8, 13–14 and 25.
    Rail traffic is interrupted between:
    - Argenteuil <> Conflans-Sainte-Honorine / Mantes-la-Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service will operate, serving intermediate stations, between:
    - Argenteuil <> Mantes-la-Jolie.
    - Conflans-Sainte-Honorine <> Mantes-la-Jolie.
    - Argenteuil <> Conflans-Sainte-Honorine / Pontoise.
    The last trains running normally:
    - Paris Saint-Lazare to Conflans-Sainte-Honorine: 7:30 PM
    - Conflans-Sainte-Honorine to Paris Saint-Lazare: 10:11 PM
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans-Sainte-Honorine: 9:16 PM
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans-Sainte-Honorine: 9:02 PM
    - Paris Saint-Lazare to Pontoise: 9:57 PM
    Reason: works.
  • Line J: Argenteuil <> Conflans-Sainte-Honorine / Mantes / Pontoise 04-29/05:
    Period: on weekdays, from 9:00 p.m. onward.
    Dates: from Monday, May 4 to Friday, May 29, excluding May 7-8, 13-14 and 25.
    Traffic is interrupted between:
    - Argenteuil <> Conflans Sainte Honorine / Mantes la Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service is in place, serving the intermediate stations, between:
    - Argenteuil <> Mantes la Jolie.
    - Conflans Sainte-Honorine <> Mantes la Jolie.
    - Argenteuil <> Conflans Sainte-Honorine / Pontoise. The last trains to run on their usual schedule:
    - Paris Saint-Lazare to Conflans Sainte-Honorine: 7:30 p.m.
    - Conflans Sainte-Honorine to Paris Saint-Lazare: 10:11 p.m.
    - Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine: 9:16 p.m.
    - Mantes la Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 9:02 p.m.
    - Paris Saint-Lazare to Pontoise: 9:57 p.m.
    Reason: works.
  • Line J: Argenteuil to Conflans-Sainte-Honorine / Mantes / Pontoise 04-29/05:
    Period: on weekdays, from 9:00 p.m. onward.
    Dates: from Monday, May 4 to Friday, May 29, excluding May 7-8, 13-14 and 25.
    Traffic will be interrupted between:
    - Argenteuil <> Conflans Sainte-Honorine / Mantes-la-Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service will be provided, serving intermediate stations, between:
    - Argenteuil <> Mantes-la-Jolie.
    - Conflans Sainte-Honorine <> Mantes-la-Jolie.
    - Argenteuil <> Conflans Sainte-Honorine / Pontoise.
    The last trains to run on their usual schedule:
    - Paris Saint-Lazare to Conflans Sainte-Honorine: 19:30
    - Conflans Sainte-Honorine to Paris Saint-Lazare: 22:11
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans Sainte-Honorine: 21:16
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 21:02
    - Paris Saint-Lazare to Pontoise: 21:57
    Reason: works.
  • Line J: Argenteuil <> Conflans-Sainte-Honorine / Mantes / Pontoise 04-29/05:
    Period : on weekdays, from 9:00 PM onward.
    Dates : Monday, May 4 to Friday, May 29, excluding May 7-8, 13-14 and 25.
    Traffic is suspended between:
    - Argenteuil <> Conflans Sainte-Honorine / Mantes-la-Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service is in place, serving the intermediate stations, between:
    - Argenteuil <> Mantes-la-Jolie.
    - Conflans Sainte-Honorine <> Mantes-la-Jolie.
    - Argenteuil <> Conflans Sainte-Honorine / Pontoise. The last trains to run as scheduled:
    - Paris Saint-Lazare to Conflans Sainte-Honorine: 7:30 PM
    - Conflans Sainte-Honorine to Paris Saint-Lazare: 10:11 PM
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans Sainte-Honorine: 9:16 PM
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 9:02 PM
    - Paris Saint-Lazare to Pontoise: 9:57 PM
    Reason : works.
  • Line J: Argenteuil <> Conflans-Sainte-Honorine / Mantes / Pontoise 04-29/05:
    Period: weekdays from 9:00 p.m. onward.
    Dates: from Monday, May 4 to Friday, May 29, with exceptions on May 7-8, 13-14 and 25.
    Traffic will be interrupted between:
    - Argenteuil <> Conflans-Sainte-Honorine / Mantes-la-Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service will be arranged, serving the intermediate stations, between:
    - Argenteuil <> Mantes-la-Jolie.
    - Conflans-Sainte-Honorine <> Mantes-la-Jolie.
    - Argenteuil <> Conflans-Sainte-Honorine / Pontoise. The last trains to run on their usual schedule:
    - Paris Saint-Lazare to Conflans-Sainte-Honorine: 19:30
    - Conflans-Sainte-Honorine to Paris Saint-Lazare: 22:11
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans-Sainte-Honorine: 21:16
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans-Sainte-Honorine: 21:02
    - Paris Saint-Lazare to Pontoise: 21:57
    Reason: maintenance works.
  • Line J: Argenteuil <> Conflans-Sainte-Honorine / Mantes / Pontoise 04-29/05:
    Period : on weekdays from 9:00 p.m.
    Dates : from Monday, May 4 to Friday, May 29, excluding May 7–8, 13–14 and 25.
    Traffic disruption between:
    - Argenteuil <> Conflans Sainte Honorine / Mantes la Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service is provided, serving the intermediate stations, between:
    - Argenteuil <> Mantes la Jolie.
    - Conflans Sainte-Honorine <> Mantes la Jolie.
    - Argenteuil <> Conflans Sainte-Honorine / Pontoise. The last trains operating as usual:
    - Paris Saint-Lazare to Conflans Sainte-Honorine: 7:30 p.m.
    - Conflans Sainte-Honorine to Paris Saint-Lazare: 10:11 p.m.
    - Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine: 9:16 p.m.
    - Mantes la Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 9:02 p.m.
    - Paris Saint-Lazare to Pontoise: 9:57 p.m.
    Reason : works.
  • Line J: Argenteuil <> Conflans-Sainte-Honorine / Mantes / Pontoise 04-29/05:
    Période : en semaine, à partir de 21h00.
    Dates : du lundi 04 au vendredi 29 mai, excluant les 07-08, 13-14 et 25 mai.
    Le trafic est interrompu entre :
    - Argenteuil <> Conflans Sainte-Honorine / Mantes-la-Jolie.
    - Argenteuil <> Pontoise.
    Un service de bus de remplacement est mis en place, desservant les gares intermédiaires, entre :
    - Argenteuil <> Mantes-la-Jolie.
    - Conflans Sainte-Honorine <> Mantes-la-Jolie.
    - Argenteuil <> Conflans Sainte-Honorine / Pontoise.
    Les derniers trains à circuler normalement :
    - Paris Saint-Lazare vers Conflans Sainte-Honorine : 19h30
    - Conflans Sainte-Honorine vers Paris Saint-Lazare : 22h11
    - Paris Saint-Lazare vers Mantes-la-Jolie via Conflans Sainte-Honorine : 21h16
    - Mantes-la-Jolie vers Paris Saint-Lazare via Conflans Sainte-Honorine : 21h02
    - Paris Saint-Lazare vers Pontoise : 21h57
    Motif : travaux.
  • Line J: Argenteuil to Conflans-Sainte-Honorine / Mantes / Pontoise 04-29/05:
    Period: on weekdays, from 9:00 p.m.
    Dates: from Monday, May 4 to Friday, May 29, excluding May 7-8, 13-14 and 25.
    Traffic is interrupted between:
    - Argenteuil <> Conflans Sainte-Honorine / Mantes-la-Jolie.
    - Argenteuil <> Pontoise.
    A replacement bus service is in place, serving the intermediate stations, between:
    - Argenteuil <> Mantes-la-Jolie.
    - Conflans Sainte-Honorine <> Mantes-la-Jolie.
    - Argenteuil <> Conflans Sainte-Honorine / Pontoise.
    The last trains to run as normal are:
    - Paris Saint-Lazare toward Conflans Sainte-Honorine: 7:30 p.m.
    - Conflans Sainte-Honorine toward Paris Saint-Lazare: 10:11 p.m.
    - Paris Saint-Lazare toward Mantes-la-Jolie via Conflans Sainte-Honorine: 9:16 p.m.
    - Mantes-la-Jolie toward Paris Saint-Lazare via Conflans Sainte-Honorine: 9:02 p.m.
    - Paris Saint-Lazare toward Pontoise: 9:57 p.m.
    Reason: works.
  • Line J: Paris Saint-Lazare ↔ Argenteuil from 04 to 29 May:
    Period: on weekdays, from 00:10.
    Dates: from Monday, May 4 to Friday, May 29, excluding May 7-8, 13-14 and 25.
    The last two trains (00:45 and 01:02) from Paris Saint-Lazare to Argenteuil are canceled.
    A replacement bus service will be provided, serving the intermediate stations, between:
    - Asnières-sur-Seine <> Argenteuil.
    - Asnières-sur-Seine <> Pontoise.
    Reason: maintenance work.
  • Line J: Issou–Porcheville to Mantes-la-Jolie, from May 23 to 25:
    Period : Saturday from 12:00 p.m., Sunday all day and Monday until 10:30 p.m.
    Dates : from Saturday May 23 to Monday May 25.
    Traffic is interrupted between Issou Porcheville <> Mantes la Jolie.
    A replacement bus service is in place between Issou Porcheville <> Mantes la Jolie, serving the intermediate stations.
    The timetable in the route calculator reflects the works.
    Reason : works.
  • Line J: Paris St-Lazare to Mantes-la-Jolie via Poissy 03-24/05:
    Period: starting at 10:40 p.m.
    Dates: Sundays May 3, 10, 17 and 24, and Saturday May 23.
    The last two trains departing Paris Saint-Lazare for Mantes la Jolie via Poissy are canceled.
    The final train from Mantes la Jolie via Poissy to Paris Saint-Lazare is canceled.
    A replacement bus service is in place, serving the intermediate stations between:
    - Sartrouville <> Les Mureaux.
    - Sartrouville <> Mantes la Jolie.
    The last trains that will run as usual:
    - Paris Saint-Lazare to Mantes la Jolie via Poissy: 23:17
    - Mantes la Jolie to Paris Saint-Lazare via Poissy: 22:43
    Reason: works.
  • Line J: Issou Porcheville <> Mantes-la-Jolie from May 23 to 25:
    Period: Saturday from 12:00 noon, Sunday all day, and Monday until 10:30 PM.
    Dates: Saturday, May 23 to Monday, May 25.
    Traffic is suspended between Issou Porcheville and Mantes-la-Jolie.
    A replacement bus service will run between Issou Porcheville and Mantes-la-Jolie, serving intermediate stations.
    The itinerary calculator times take the works into account.
    Reason: works.
  • Line J: Paris Saint-Lazare to Mantes-la-Jolie via Poissy, 03-24/05:
    Period: starting from 22:40.
    Dates: Sundays May 3, 10, 17, 24 and Saturday May 23.
    The last two trains departing from Paris Saint-Lazare toward Mantes-la-Jolie via Poissy are cancelled.
    The final train from Mantes-la-Jolie via Poissy to Paris Saint-Lazare is cancelled.
    A replacement bus service is in place, serving the intermediate stations between:
    - Sartrouville <> Les Mureaux.
    - Sartrouville <> Mantes-la-Jolie.
    The last trains to run as scheduled:
    - Paris Saint-Lazare to Mantes-la-Jolie via Poissy: 23:17
    - Mantes-la-Jolie to Paris Saint-Lazare via Poissy: 22:43
    Reason: maintenance works.
  • Line J: Issou Porcheville <> Mantes-la-Jolie from 23 to 25 May:
    Period : Saturday from 12:00, Sunday all day and Monday until 10:30 PM.
    Dates : from Saturday 23 to Monday 25 May.
    Traffic is interrupted between Issou Porcheville <> Mantes la Jolie.
    A replacement bus service is in place between Issou Porcheville <> Mantes la Jolie, serving the intermediate stations.
    The timetable in the route planner takes the works into account.
    Reason : works.
  • Line J: Conflans-Sainte-Honorine to Mantes-la-Jolie on May 25:
    Period: from 10:30 PM.
    Date: Monday, May 25.
    Traffic is suspended between Conflans Sainte-Honorine <> Mantes la Jolie.
    A replacement bus service will operate between Conflans Sainte-Honorine <> Mantes la Jolie, serving the intermediate stations.
    Reason: maintenance works.
  • Line J: Les Mureaux <> Mantes-la-Jolie from May 30 to May 31:
    Period: from Saturday at 8:45 p.m. to Sunday at 8:00 a.m.
    Dates: Saturday, May 30 and Sunday, May 31.
    Traffic is suspended between Les Mureaux and Mantes-la-Jolie.
    A replacement bus service will operate between Les Mureaux and Mantes-la-Jolie, serving intermediate stations.
    The last trains to run as usual on Saturday:
    - Paris Saint-Lazare to Mantes-la-Jolie via Poissy: 20:45
    - Mantes-la-Jolie to Paris Saint-Lazare via Poissy: 21:43
    The first trains to run as usual on Sunday:
    - Paris Saint-Lazare to Mantes-la-Jolie via Poissy: 07:15
    - Mantes-la-Jolie to Paris Saint-Lazare via Poissy: 08:18
    Reason: works.
  • Line J: Les Mureaux <> Mantes-la-Jolie from May 30–31:
    Period: from Saturday evening at 8:45 p.m. to Sunday morning at 8:00 a.m.
    Dates: Saturday, May 30 and Sunday, May 31.
    Traffic is suspended between Les Mureaux and Mantes la Jolie.
    A replacement bus service will operate between Les Mureaux and Mantes la Jolie, with stops at intermediate stations.
    Last trains running as usual on Saturday:
    - Paris Saint-Lazare to Mantes la Jolie via Poissy: 8:45 p.m.
    - Mantes la Jolie to Paris Saint-Lazare via Poissy: 9:43 p.m.
    First trains running as usual on Sunday:
    - Paris Saint-Lazare to Mantes la Jolie via Poissy: 7:15 a.m.
    - Mantes la Jolie to Paris Saint-Lazare via Poissy: 8:18 a.m.
    Reason: works.
  • Line J: Issou–Porcheville <> Mantes-la-Jolie from May 30 to 31:
    Period : from Saturday at 8:45 p.m. to Sunday at 8:00 a.m.
    Dates : Saturday 30 and Sunday 31 May.
    Traffic will be interrupted between Issou Porcheville and Mantes-la-Jolie.
    A replacement bus service will operate between Issou Porcheville and Mantes-la-Jolie, serving the intermediate stations.
    The last trains to run as scheduled are:
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans-Sainte-Honorine: 20:51
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans-Sainte-Honorine: 20:50
    The first trains to run as scheduled are:
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans-Sainte-Honorine: 07:23
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans-Sainte-Honorine: 08:51
    Reason : rail network works.
  • Line J: Paris Saint-Lazare to Vernon, 30–31 May:
    Période : Saturday from 10:00 PM through Sunday at 08:00 AM.
    Dates : Saturday, May 30 to Sunday, May 31.
    Traffic is suspended between Paris Saint-Lazare and Vernon.
    Motif : construction work.
  • Line J: Issou–Porcheville to Mantes-la-Jolie, May 30–31:
    Period: from Saturday evening at 8:45 p.m. to Sunday morning at 8:00 a.m.
    Dates: Saturday, May 30 and Sunday, May 31.
    Traffic is suspended between Issou Porcheville and Mantes-la-Jolie.
    A replacement bus service is laid on between Issou Porcheville and Mantes-la-Jolie, serving intermediate stations.
    The last trains to run normally:
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans-Sainte-Honorine: 20:51
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans-Sainte-Honorine: 20:50
    The first trains to run normally:
    - Paris Saint-Lazare to Mantes-la-Jolie via Conflans-Sainte-Honorine: 07:23
    - Mantes-la-Jolie to Paris Saint-Lazare via Conflans-Sainte-Honorine: 08:51
    Reason: railway works.
  • Line J: Les Mureaux to Mantes-la-Jolie, May 30–31:
    Period: from Saturday evening at 8:45 p.m. to Sunday morning at 8:00 a.m.
    Dates: Saturday 30 and Sunday 31 May.
    Traffic is interrupted between Les Mureaux and Mantes-la-Jolie.
    An alternate bus service is operating between Les Mureaux and Mantes-la-Jolie, with service to the intermediate stations.
    The last trains running normally on Saturday:
    - Paris Saint-Lazare to Mantes-la-Jolie via Poissy: 8:45 p.m.
    - Mantes-la-Jolie to Paris Saint-Lazare via Poissy: 9:43 p.m.
    The first trains running normally on Sunday:
    - Paris Saint-Lazare to Mantes-la-Jolie via Poissy: 7:15 a.m.
    - Mantes-la-Jolie to Paris Saint-Lazare via Poissy: 8:18 a.m.
    Reason: works.
  • Line J: Paris Saint-Lazare ↔ Vernon, May 30–31:
    Period: Saturday from 10:00 PM and Sunday until 8:00 AM.
    Dates: Saturday, May 30 to Sunday, May 31.
    Traffic is suspended between Paris Saint-Lazare and Vernon.
    Reason: maintenance works.
  • Line J: Les Mureaux to Mantes-la-Jolie, May 30–31:
    Period: from Saturday at 8:45 p.m. to Sunday at 8:00 a.m.
    Dates: Saturday, May 30 and Sunday, May 31.
    Traffic will be interrupted between Les Mureaux and Mantes-la-Jolie.
    A replacement bus service will operate between Les Mureaux and Mantes-la-Jolie, with stops at the intermediate stations.
    The last trains to run on the normal schedule on Saturday:
    - Paris Saint-Lazare to Mantes-la-Jolie via Poissy: 8:45 p.m.
    - Mantes-la-Jolie to Paris Saint-Lazare via Poissy: 9:43 p.m.
    The first trains to run on the normal schedule on Sunday:
    - Paris Saint-Lazare to Mantes-la-Jolie via Poissy: 7:15 a.m.
    - Mantes-la-Jolie to Paris Saint-Lazare via Poissy: 8:18 a.m.
    Reason: maintenance work.
  • Line J: Paris Saint-Lazare <> Vernon from May 30 to 31:
    Period: starting Saturday at 10 p.m. and continuing through Sunday until 8 a.m.
    Dates: Saturday, May 30 to Sunday, May 31.
    Traffic will be suspended between Paris Saint-Lazare <> Vernon.
    Reason: maintenance work.
  • Line J : Issou Porcheville <> Mantes-la-Jolie, from May 30 to May 31 :
    Period : from Saturday at 20:45 through Sunday until 08:00.
    Dates : Saturday 30 and Sunday 31 May.
    Traffic is interrupted between Issou Porcheville <> Mantes la Jolie.
    A replacement bus service is provided between Issou Porcheville <> Mantes la Jolie, serving the intermediate stations.
    The last trains to run normally:
    - Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine: 20:51
    - Mantes la Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 20:50
    The first trains to run normally:
    - Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine: 07:23
    - Mantes la Jolie to Paris Saint-Lazare via Conflans Sainte-Honorine: 08:51
    Reason : railway works.
  • Line J: Issou Porcheville <> Mantes-la-Jolie from 01/06 to 17/07:
    Period: on weekdays, from 9:00 p.m.
    Dates: from Monday, June 1 to Friday, July 17, excluding July 13 and 14.
    The last two trains departing from Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine will terminate at Issou Porcheville station.
    A replacement bus service will operate between Issou Porcheville and Mantes la Jolie, serving intermediate stations.
    The last train to run as scheduled:
    - Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine: 21:16
    Reason: maintenance works.
  • Line J: Paris St-Lazare <> Mantes via Poissy, June 1 to July 17:
    Period: on weekdays from 9:40 p.m.
    Dates: from Monday, June 1 to Friday, July 17.
    Traffic is suspended between Paris Saint-Lazare <> Mantes-la-Jolie via Poissy.
    A replacement bus service is in place, calling at intermediate stations, between:
    - Sartrouville <> Les Mureaux.
    - Sartrouville <> Mantes-la-Jolie.
    Regular lines strengthened:
    - Bus 7820 between La Défense <> Mantes-la-Jolie.
    The last trains to operate as usual are:
    - Paris Saint-Lazare to Mantes-la-Jolie via Poissy: 21:47
    - Mantes-la-Jolie to Paris Saint-Lazare via Poissy: 21:43
    Reason: works.
  • Line J: Conflans-Sainte-Honorine <> Pontoise, June 1–5:
    Period: on weekdays, from 9:55 p.m. Dates: Monday, June 1 to Friday, June 5. Traffic is suspended between Conflans-Sainte-Honorine and Pontoise. A replacement bus service is in place between Conflans-Sainte-Honorine and Pontoise, serving the intermediate stations.
    The last trains to operate normally:
    - Paris Saint-Lazare to Pontoise: 9:57 p.m. Reason: maintenance work.
  • Line J: Paris Saint-Lazare to Poissy 06-20/06:
    Period : all day.
    Dates : Saturdays June 6, 13 and 20 and Sundays June 7, 14.
    Service is suspended between Paris Saint-Lazare <> Poissy.
    Reinforcement of regular lines:
    - Bus 7820 between La Défense <> Mantes la Jolie.
    - Bus 7821 between La Défense <> Les Mureaux.
    Information complémentaire :
    - Traffic is suspended, all day, between Nanterre Préfecture <> Poissy.
    Motif : works on the rail network.
  • Ligne J : Paris Saint-Lazare <> Poissy 06-20/06 : Line J: Paris Saint-Lazare <> Poissy 06-20/06:
    Period: all day long.
    Dates: Saturdays June 6, 13 and 20 and Sundays June 7 and 14.
    Traffic is suspended between Paris Saint-Lazare and Poissy.
    Enhancement of regular lines:
    - Bus 7820 between La Défense and Mantes-la-Jolie.
    - Bus 7821 between La Défense and Les Mureaux.
    Additional information:
    - Traffic is suspended, all day long, between Nanterre Préfecture and Poissy.
    Reason: railway works.
  • Line J: Issou–Porcheville to Mantes-la-Jolie from 01/06 to 17/07:
    Period : Weekdays, from 9:00 PM onward.
    Dates : From Monday, June 1 to Friday, July 17, excluding July 13 and 14.
    The last two trains departing from Paris Saint-Lazare toward Mantes la Jolie via Conflans Saint-Honorine will terminate at Issou Porcheville station.
    A replacement bus service will run between Issou Porcheville and Mantes la Jolie, with stops at the intermediate stations.
    The last train to operate as scheduled:
    - Paris Saint-Lazare toward Mantes la Jolie via Conflans Saint-Honorine: 9:16 PM
    Reason : works.

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