Summer 2025 Transilien Works: Dates, Times, and Alternatives Expected Disruptions This Summer
Due to construction work, the traffic of certain Transilien services will be interrupted several times and on different sections this summer. We provide all the details in this article. Data updated on June 14, 2025.
Tip: Check the Traffic section of the Bonjour RATP app to stay informed about ongoing and upcoming disruptions on the lines you use.
Transilien H: The Detailed Schedule of Disruptions
Find all journey alternatives in your Bonjour RATP app.Transilien Line 
| Period | Dates | Times | Traffic Interruption |
|---|---|---|---|
| Every Weekend | From Saturday, June 28 to Sunday, July 6 | All day | Traffic is interrupted between Persan - Beaumont and Creil. Replacement buses provided. |
| Weekdays | From Monday, June 30 to Friday, September 26, except public holidays | In the evening | Traffic is interrupted between Paris Gare du Nord and Luzarches. Replacement buses provided. |
| Weekdays | From Monday, June 30 to Friday, September 26, except public holidays | In the evening | Traffic is interrupted between Paris Gare du Nord and Pontoise. Replacement buses provided. |
| Weekdays | From Monday, June 30 to Friday, September 26, except public holidays | In the evening | Traffic is interrupted between Paris Gare du Nord and Persan - Beaumont via Montsoult - Maffliers. Replacement buses provided. |
| Weekdays | From Monday, June 30 to Friday, September 26, except public holidays | In the evening | Traffic is interrupted between Paris Gare du Nord and Persan - Beaumont via Valmondois. Replacement buses provided. |
Transilien J: The Detailed Schedule of Disruptions
Find all journey alternatives in your Bonjour RATP app.Transilien Line 
| Period | Dates | Times | Traffic Interruption |
|---|---|---|---|
| Weekdays | From Monday, June 30 to Friday, August 8, except public holidays | From 21:15 | The last two trains departing from Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine will terminate at Issou Porcheville station. Replacement buses provided. |
| Weekdays | From Monday, June 30 to Friday, August 8, except public holidays | From 21:40 | Traffic is interrupted between Paris Saint-Lazare and Mantes la Jolie via Poissy. Replacement buses provided. |
| Weekends | On Saturdays, July 5 and 19, and Sundays, July 6 and 20 | All day | Traffic is interrupted between Paris Saint-Lazare and Poissy. Replacement buses provided. |
| Weekends | From Saturday, July 12 to Monday, July 14 | All day | Traffic is interrupted between Paris Saint-Lazare and Mantes la Jolie via Poissy. Replacement buses provided. |
| Public Holiday | On Monday, July 14 | Evening | The last train from Paris Saint-Lazare to Mantes la Jolie via Conflans Sainte-Honorine will terminate at Issou Porcheville, with a replacement bus service established between Issou Porcheville and Mantes la Jolie. |
Transilien K: The Detailed Schedule of Disruptions
Find all journey alternatives in your Bonjour RATP app.Transilien Line 
| Period | Dates | Times | Traffic Interruption |
|---|---|---|---|
| Weekdays | Until December 19 | In the evening | Traffic is interrupted between Paris Gare du Nord and Crépy-en-Valois due to construction work. Replacement buses provided. |
Transilien L: The Detailed Schedule of Disruptions
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| Period | Dates | Times | Traffic Interruption |
|---|---|---|---|
| Weekend | Sunday, July 6 | From 23:55 | The last two trains departing from Paris Saint-Lazare to Versailles Rive Droite will not operate from Saint-Cloud to Versailles Rive Droite. The last train from Paris Saint-Lazare to Saint-Nom la Bretèche is canceled. A replacement bus service will be established between Saint-Cloud and Versailles Rive Droite, and between Saint-Cloud and Saint-Nom la Bretèche, serving intermediate stations. |
Transilien N: The Detailed Schedule of Disruptions
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| Period | Dates | Times | Traffic Interruption |
|---|---|---|---|
| Weekdays | From Monday, June 2 to Friday, July 4, except public holidays | From 23:00 | Traffic is interrupted between Paris Montparnasse and Rambouillet. Replacement buses provided. |
| Weekdays | From Monday, June 2 to Friday, July 4 | From 22:00 | Traffic is interrupted between Paris Montparnasse and Dreux. Replacement buses provided. |
| Weekdays | From Monday, July 7 to Friday, August 1 | From 22:00 | Traffic is interrupted between Paris Montparnasse and Mantes-la-Jolie. Replacement buses provided. |
| Weekdays | From Monday, July 7 to Friday, August 1, except public holidays | From 22:00 | Traffic is interrupted between Paris Montparnasse and Dreux. Replacement buses provided. |
| Weekdays | From Monday, July 7 to Friday, July 18, except public holidays | From 00:35 | Traffic is interrupted between Paris Montparnasse and Rambouillet. Replacement buses provided. |
| Weekdays | From Monday, July 28 to Friday, August 1 | From 00:35 | Traffic is interrupted between Paris Montparnasse and Rambouillet. Replacement buses provided. |
Transilien P: The Detailed Schedule of Disruptions
Find all journey alternatives in your Bonjour RATP app.Transilien Line 
| Period | Dates | Times | Traffic Interruption |
|---|---|---|---|
| Weekdays | From Monday, June 2 to Friday, August 1 | From 22:00 | Traffic is interrupted between Paris Est and Château-Thierry. Replacement buses provided. |
| Weekdays | From Monday, June 2 to Friday, July 4 | From 22:20 | Traffic is interrupted between Paris Est and Meaux. Replacement buses provided. |
| Weekend | Sunday, July 6 | From 22:50 | Traffic is interrupted between Paris Est and Meaux. Replacement buses provided. |
| Weekdays | From Monday, June 30 to Friday, July 11 | From 20:30 | Traffic is interrupted between Paris Est and Coulommiers. Replacement buses provided. |
| Weekdays | From Monday, June 30 to Friday, July 25 | From 20:45 | Traffic is interrupted between Paris Est and Provins. Replacement buses provided. |
| Weekends | From Sunday, July 6 to Sunday, July 20 | From 22:30 | Traffic is interrupted between Paris Est and Coulommiers. Replacement buses provided. |
| Weekends | From Sunday, July 6 to Sunday, July 26 | From 23:00 | Traffic is interrupted between Paris Est and Château-Thierry. Replacement buses provided. |
| Weekdays | From Monday, July 7 to Friday, August 29 | From 22:20 | Traffic is interrupted between Paris Est and Meaux. Replacement buses provided. |
| Weekends | From Saturday, July 12 to Saturday, July 26, and on Saturdays August 2, 9, 16, and on Saturday 30 and Sunday 31 August. | From 22:50 | Traffic is interrupted between Paris Est and Meaux. Replacement buses provided. |
Transilien R: The Detailed Schedule of Disruptions
Find all journey alternatives in your Bonjour RATP app.Transilien Line 
| Period | Dates | Times | Traffic Interruption |
|---|---|---|---|
| Weekdays | From Monday, June 23 to Friday, July 4 | From 23:00 | Traffic is interrupted between Moret Veneux les S. and Montargis. Replacement buses provided. |
| Weekdays | From Monday, June 23 to Friday, July 4 | From 23:00 | Traffic is interrupted between Moret - Veneux-les-Sablons and Montargis in both directions. No trains after 22:10 departing from Paris Lyon and Montargis. Replacement buses provided. |
Transilien U: The Detailed Schedule of Disruptions
Find all journey alternatives in your Bonjour RATP app.Transilien Line 
| Period | Dates | Times | Traffic Interruption |
|---|---|---|---|
| Weekdays | From Monday, June 2 to Friday, July 4 | From 21:00 | Traffic is interrupted between La Verrière and La Défense. Replacement buses provided. |
| Weekend | Saturday, July 5 and Sunday, July 6 | From 23:30 | Traffic is interrupted between La Verrière and La Défense. Replacement buses provided. |
Transilien V: The Detailed Schedule of Disruptions
Find all journey alternatives in your Bonjour RATP app.Transilien Line 
| Period | Dates | Times | Traffic Interruption |
|---|---|---|---|
| Weekend | Saturday, July 12 and Sunday, July 13 | All day | Traffic is interrupted on the entire Line V. Replacement buses provided. |
Best Practices to Adopt in Case of Disruptions
💡 Stay Informed to Anticipate Your Travels
- Plan Your Journeys: Check traffic forecasts and initiate a planned route search with your Bonjour RATP app. You will be informed of disruptions, identify all alternative routes, receive alerts about upcoming schedules, and know the crowd levels on board. If you can't find a solution, why not try other modes of transport?
- Search for Alternative Routes in the Bonjour RATP App: The Bonjour RATP app not only keeps you updated on upcoming and ongoing disruptions on your journeys but also always suggests the best alternative routes to bypass these disruptions.
📹 Video Tutorial: Accessing Traffic Forecasts in the Bonjour RATP App
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