Line L
running late?
Live traffic and next trains on Transilien Line L (Gare Saint-Lazare ↔ Cergy le Haut).
🔄 Updated at 03:41
Your line?just tap it
Line L: normal traffic right now.
🧭 Work out a metro / RER journey time
Line L delays: is the line disrupted?
This page checks live whether Line L (Line L, from Gare Saint-Lazare to Cergy le Haut) 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 L: the essentials
- 🚉 36 stations, from Gare Saint-Lazare to Cergy le Haut.
- 🔀 Termini: Nanterre Université, Gare Saint-Lazare, Saint-Nom-la-Bretèche - Forêt de Marly, Versailles Rive Droite, Cergy le Haut.
- ⏱ End-to-end journey: ≈ 50 min.
- 🔁 A train every ~24 min during the day (weekdays).
- 🕐 On weekdays, first departure around 05:21, last around 00:56 (planned timetable).
- 📍 Towns served: Paris, Levallois-Perret, Asnières-sur-Seine, Courbevoie, Colombes, Nanterre, Houilles, Sartrouville, Maisons-Laffitte, Achères, Conflans-Sainte-Honorine, Neuville-sur-Oise…
Connections
Stations on Line L: next trains
- Gare Saint-Lazare
- Pont Cardinet
- Clichy - Levallois
- Asnières-sur-Seine
- Bécon les Bruyères
- Les Vallées
- La Garenne-Colombes
- Nanterre Université
- Houilles - Carrières-sur-Seine
- Sartrouville
- Maisons-Laffitte
- Achères Ville
- Conflans Fin d'Oise
- Neuville - Université
- Cergy Préfecture
- Cergy Saint-Christophe
- Cergy le Haut
- Courbevoie
- La Défense
- Puteaux
- Le Val d'Or
- Saint-Cloud
- Garches - Marnes-la-Coquette
- Vaucresson
- La Celle-Saint-Cloud
- Bougival
- Louveciennes
- Marly-le-Roi
- L'Étang-la-Ville
- Saint-Nom-la-Bretèche - Forêt de Marly
- Suresnes Mont Valérien
- Sèvres - Ville-d'Avray
- Chaville Rive Droite
- Viroflay - Rive Droite
- Montreuil
- Versailles Rive Droite
Frequently asked questions — Line L
How can I tell if Line L is delayed?
Open this page: the live status of Line L 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 L?
Pick your station: the next trains appear in real time in each direction (towards Nanterre Université, Gare Saint-Lazare, Saint-Nom-la-Bretèche - Forêt de Marly, Versailles Rive Droite), refreshed every 30 seconds.
What time is the first and last train on Line L?
According to the planned timetable, on weekdays the first train leaves at 05:21 from Gare Saint-Lazare and at 06:55 from Cergy le Haut; the last leaves at 00:56 from Gare Saint-Lazare and at 19:14 from Cergy le Haut. For your station, ask the AI: “last train from …”.
How long does it take from Gare Saint-Lazare to Cergy le Haut?
About 50 minutes end to end on Line L (36 stations), based on official IDFM timetables. For a specific trip between two stations, use the journey time calculator.
How often does Line L run?
During the day on weekdays, a train comes every 24 minutes on average on the central section (less often on the branches). The actual next trains are shown on this page.
Is Line L often disrupted?
Like any line on the network, Line L has its share of incidents, engineering works and traffic regulation. This page shows the actual status right now (updated continuously), not an average.