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: Conflans Ste-H. <-> Mantes-la-Jolie from December 15 to 19:
Period: on weekdays from 9:00 PM onward.
Dates: from Monday, December 15 to Friday, December 19.
Train services will be suspended between Conflans Sainte-Honorine and Mantes-la-Jolie.
Reason: Railway network maintenance work. - Line J: Paris Saint-Lazare to Mantes-la-Jolie from December 15 to 30 due to schedule adjustments
Period: Starting at 10:40 PM
Dates: Monday, December 15 through Tuesday, December 30, excluding December 25, Saturdays, and Sundays.
The last two trains departing from Paris Saint-Lazare heading to Mantes la Jolie via Poissy will be canceled.
The final train from Mantes la Jolie via Poissy to Paris Saint-Lazare will also be canceled.
A replacement bus service will operate between Sartrouville and Les Mureaux, as well as between Sartrouville and Mantes la Jolie, serving all intermediate stations.
The last trains running normally are:
- 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 Saint-Lazare to Mantes-la-Jolie from December 15 to 30:
Period: Starting from 10:40 PM
Dates: Monday, December 15 to Tuesday, December 30, excluding December 25, Saturdays, and Sundays.
The final two trains departing from Paris Saint-Lazare toward Mantes-la-Jolie via Poissy will be canceled.
The last train from Mantes-la-Jolie via Poissy heading to Paris Saint-Lazare is also canceled.
A replacement bus service will be available between Sartrouville and Les Mureaux, as well as between Sartrouville and Mantes-la-Jolie, serving intermediate stations.
The last trains that will run normally are:
- 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: Pontoise to Gisors on December 16th:
Period: from 7:10 PM
Date: Tuesday, December 16
Train services are suspended between Pontoise and Gisors.
A replacement bus service is available between Pontoise and Gisors, serving all intermediate stations.
Last trains to run as scheduled are:
- From Paris Saint-Lazare to Gisors: 7:57 PM
- From Gisors to Paris Saint-Lazare: 7:13 PM
Reason: maintenance work. - Line J: Conflans Sainte-Honorine <> Pontoise from December 22 to 30:
Period: Starting from 9:55 PM
Dates: Monday the 22nd and 29th, Tuesday the 23rd and 30th of December.
Service disruption is scheduled between Conflans Sainte-Honorine and Pontoise.
A replacement bus service will operate between Conflans Sainte-Honorine and Pontoise, stopping at intermediate stations.
The last trains running normally are:
- Paris Saint-Lazare to Pontoise: 9:57 PM
- Pontoise to Paris Saint-Lazare: 10:19 PM
Reason: construction work. - Line J: Issou Porcheville to Mantes via Conflans from December 22 to 30:
Period: During the week, starting from 8:40 PM.
Dates: From Monday, December 22 to Tuesday, December 30, excluding December 25 and 31.
The last two trains departing from Paris Saint-Lazare heading to Mantes la Jolie via Conflans Sainte-Honorine will now terminate at Issou Porcheville station.
A replacement bus service has been arranged between Issou Porcheville and Mantes la Jolie, with stops at intermediate stations.
The final trains running normally are:
- From Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine: 9:16 PM
On Monday, December 29, and Tuesday, December 30:
- From Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine: 8:42 PM
Reason: Maintenance work. - Line J: Paris Saint-Lazare <> Mantes via Poissy from January 5 to 23:
Period: weekdays starting from 9:40 PM
Dates: Monday, January 5 to Friday, January 23.
Train services will be suspended between Paris Saint-Lazare and Mantes-la-Jolie via Poissy.
A replacement bus service is being provided, stopping at intermediate stations, between:
- Sartrouville and Les Mureaux
- Sartrouville and Mantes-la-Jolie
Regular line enhancements include:
- Bus line 7820 (formerly Express A14) running between La Défense and Mantes-la-Jolie
The last trains running on schedule are:
- From Paris Saint-Lazare to Mantes-la-Jolie via Poissy: 9:47 PM
- From Mantes-la-Jolie to Paris Saint-Lazare via Poissy: 9:43 PM
Additional information:
Reason: maintenance work.
- Line J: Issou Porcheville to Mantes-la-Jolie from January 5 to 23:
Period: Weekdays, from 9:15 PM
Dates: Monday, January 5 to Friday, January 23.
The last two trains departing from Paris Saint-Lazare heading to Mantes-la-Jolie via Conflans Sainte-Honorine are canceled at Issou Porcheville station.
A replacement bus service has been arranged between Issou Porcheville and Mantes-la-Jolie, serving all intermediate stops.
The final train operating as usual:
- Departing from Paris Saint-Lazare to Mantes-la-Jolie via Conflans Sainte-Honorine: 9:16 PM
Additional information:
- No trains will run between Paris Saint-Lazare and Mantes-la-Jolie via Poissy after 9:40 PM, with passengers advised to use the replacement bus service instead.
Cause: maintenance work.
This page may contain AI-assisted elements, more information here.
