Line J
running late?
Live traffic and next trains on Transilien Line J (Mantes-la-Jolie ↔ Gare Saint-Lazare).
🔄 Updated at 01:13
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Line J delays: is the line disrupted?
This page checks live whether Line J (Line J, from Mantes-la-Jolie to Gare Saint-Lazare) has a delay, breakdown or disruption: passenger incident, engineering works, signal failure, traffic regulation… The status and message come from Île-de-France Mobilités' real-time traffic info, not from an estimate. Pick your station to see the next train in each direction.
👉 See also every disrupted line, live.
Line J: the essentials
- 🚉 54 stations, from Mantes-la-Jolie to Gare Saint-Lazare.
- 🔀 Termini: Ermont - Eaubonne, Gare Saint-Lazare, Mantes-la-Jolie, Pontoise, Conflans-Sainte-Honorine.
- ⏱ End-to-end journey: ≈ 36 min.
- 🔁 A train every ~27 min during the day (weekdays).
- 🕐 On weekdays, first departure around 04:27, last around 01:02 (planned timetable).
- 📍 Towns served: Mantes-la-Jolie, Limay, Issou, Gargenville, Juziers, Hardricourt, Meulan-en-Yvelines, Vaux-sur-Seine, Triel-sur-Seine, Chanteloup-les-Vignes, Andrésy, Conflans-Sainte-Honorine…
Connections
Stations on Line J: next trains
- Mantes-la-Jolie
- Mantes Station
- Limay
- Issou - Porcheville
- Gargenville
- Juziers
- Meulan - Hardricourt
- Thun le Paradis
- Vaux-sur-Seine
- Triel-sur-Seine
- Chanteloup-les-Vignes
- Andrésy
- Maurecourt
- Conflans Fin d'Oise
- Conflans-Sainte-Honorine
- Herblay
- La Frette - Montigny
- Cormeilles-en-Parisis
- Val d'Argenteuil
- Argenteuil
- Gare Saint-Lazare
- Sannois
- Ermont - Eaubonne
- Le Stade
- Colombes
- Bois-Colombes
- Asnières-sur-Seine
- Éragny - Neuville
- Saint-Ouen-l'Aumône Quartier de l'Église
- Pontoise
- Épône - Mézières
- Aubergenville Élisabethville
- Les Mureaux
- Les Clairières de Verneuil
- Vernouillet - Verneuil
- Villennes-sur-Seine
- Poissy
- Houilles - Carrières-sur-Seine
- Osny
- Boissy-l'Aillerie
- Rosny-sur-Seine
- Bonnières
- Vernon - Giverny
- Montgeroult - Courcelles
- Us
- Santeuil - Le Perchay
- Chars
- Lavilletertre
- Liancourt-Saint-Pierre
- Chaumont-en-Vexin
- Trie-Château
- Gisors
- Maisons-Laffitte
- Sartrouville
Frequently asked questions — Line J
How can I tell if Line J is delayed?
Open this page: the live status of Line J appears straight away, based on Île-de-France Mobilités' official traffic info (“IT'S A MESS” when it's disrupted, with the reason and the announced end time, “ALL GOOD” otherwise). Then pick your station for the next trains.
When is the next train on Line J?
Pick your station: the next trains appear in real time in each direction (towards Ermont - Eaubonne, Gare Saint-Lazare, Mantes-la-Jolie, Pontoise), refreshed every 30 seconds.
What time is the first and last train on Line J?
According to the planned timetable, on weekdays the first train leaves at 04:27 from Mantes-la-Jolie and at 05:31 from Gare Saint-Lazare; the last leaves at 22:02 from Mantes-la-Jolie and at 01:02 from Gare Saint-Lazare. For your station, ask the AI: “last train from …”.
How long does it take from Mantes-la-Jolie to Gare Saint-Lazare?
About 36 minutes end to end on Line J (54 stations), based on official IDFM timetables. For a specific trip between two stations, use the journey time calculator.
How often does Line J run?
During the day on weekdays, a train comes every 27 minutes on average on the central section (less often on the branches). The actual next trains are shown on this page.
Is Line J often disrupted?
Like any line on the network, Line J has its share of incidents, engineering works and traffic regulation. This page shows the actual status right now (updated continuously), not an average.