News transilien traffic guide

Line H: service disrupted until 8 p.m. in Val-d'Oise

The Transilien Line H is suspended between Sarcelles-Saint-Brice and Montsoult-Maffliers in both directions following a serious incident involving a person in the Val-d'Oise. Traffic is not expected to resume before 8 p.m. this Thursday.

Line N: disruption on Thursday morning between Paris and Versailles

The N line of the Transilien remains disrupted this Thursday morning, September 10, 2026, between Versailles-Chantiers and Paris-Montparnasse, due to an incident on the tracks in the Sèvres area that is leaving several stations without service.

RER C Yvelines – Paris: reopening Sunday, Line J closed for the entire weekend

RER C reopens on Sunday, August 23, 2026, after 39 days of closure, but Line J will be cut all weekend between Paris and Mantes-la-Jolie. Beyond the trains, several bus networks in Yvelines remain disrupted this week: here’s the rundown, line by line.

Line U and Line N: Transilien trains completely suspended on July 11 and 12.

The U and N lines of Transilien are heavily disrupted on July 11 and 12, 2026. Due to works and repairs to electrical installations, several sections are completely halted, with replacement buses in operation for travelers.

Line J: No trains to Mantes-la-Jolie on 11–12 July 2026.

The Mantes-la-Jolie station in Yvelines is bracing for a troubled weekend around July 14: services on the J line and on the Normandy trains will be heavily disrupted, or even completely suspended, from July 11 to 14, 2026, with replacement buses in operation.

RER B, D and Transilien K: Fire at Le Bourget disrupts traffic in Île-de-France

The RER B, RER D, Transilien K, and the Hauts-de-France TER line are heavily disrupted this Tuesday, June 30, 2026, after a fire near the tracks in the Bourget area, in Seine-Saint-Denis. Service is gradually resuming, but remains very disrupted.

Heatwave: transport disruptions this Wednesday in Île-de-France

The heatwave continues to disrupt public transport in Île-de-France on Wednesday, June 24, 2026: the metro, tramways, RER and Transilien are crawling, and Île-de-France Mobilités is advising people to postpone nonessential trips.

Line J: trains canceled and overnight suspensions until June 5 in Yvelines

Line J of the Transilien will run in degraded mode from June 1 to 5, 2026: trains canceled at Conflans-Sainte-Honorine and nightly suspensions from 9:40 p.m., a situation affecting around 90,000 passengers daily in Yvelines.

Line N and U, service disrupted after a fire on the tracks in Yvelines this Thursday.

A fire near the tracks in the Plaisir-Grignon area is disrupting this evening’s services on lines N and U from Saint-Cyr, toward Dreux and Mantes-la-Jolie, until about 8:15 p.m.

No trains at Gare de Lyon for the May long weekend as Line R and RER D are disrupted.

Trains at Paris's Gare de Lyon will be suspended from April 30 to May 3, 2026, due to extensive modernization works. This disruption will affect not only the TGV services but also the RER D and Transilien Line R, with some passengers redirected to alternative Parisian stations. However, the station and its shops will remain open and accessible to travelers.

Storm Nils causes disruptions to transportation in Île-de-France this Wednesday evening and Thursday

Storm Nils is set to impact Île-de-France starting Wednesday evening, February 11, 2026. The N, U, and P lines of Transilien have issued alerts for potential disruptions beginning at 10 p.m. and continuing throughout Thursday, February 12, 2026. It's advisable to check for updates before heading out or consider leaving earlier to avoid delays or cancellations.

Line L disrupted: traffic halted in western Paris, RER A affected

On Friday, February 6, 2026, train service on Line L is suspended between Nanterre Université and Cergy-le-Haut due to signaling issues. The RER A is also experiencing delays in the area. Normal service is expected to resume by late morning.

Line J has been interrupted for several days at Paris Saint-Lazare.

Major infrastructure work will disrupt the J line in February and March 2026. On Sunday, February 8, as well as the weekends of February 14-15 and March 7-8, there will be no train service between Paris Saint-Lazare and Argenteuil, Ermont-Eaubonne, and Houilles Carrières-sur-Seine.

Storm Goretti: Traffic commuters at Saint-Lazare disrupted this Friday morning

The Goretti storm is causing significant disruptions to the Transilien rail service in Île-de-France this Friday, January 9, 2026. No trains are running at Saint-Lazare station this morning, with several lines suspended due to fallen trees blocking the tracks.

Goretti Storm: N and U Lines Disrupted This Friday

The Goretti storm hits Île-de-France this Friday, January 9, 2026. The Transilien Line N and Line U are experiencing significant disruptions due to obstacles on the tracks, with traffic heavily impacted until midday. Line N is affected between Plaisir-Grignon and Paris Montparnasse, as well as between Mantes-la-Jolie and Paris Montparnasse, in both directions.

Storm Goretti: Transilien Line L suspended this Friday morning

Due to severe weather conditions caused by Storm Goretti, SNCF's Transilien services are experiencing disruptions on line L. The busy route, which serves the western suburbs of Île-de-France, will be temporarily halted this Friday, January 9, until around 8 a.m. between Paris-Saint-Lazare and Saint Nom-la-Bretèche, specifically on the segment between Saint-Cloud and Saint-Nom-la-Bretèche.

The RER A and RER C are halted in Seine-et-Marne and Essonne, while lines U and N are experiencing disruptions in Yvelines

The RER A and C lines are experiencing service disruptions this Thursday morning, December 18, 2025, in Seine-et-Marne and Essonne. Meanwhile, lines N and U are also affected in Yvelines due to various technical issues. Here’s what you need to know.

RER A and lines J, L, V: chaos this Monday in the Paris region

Computer failures are paralyzing four train lines in the Île-de-France region on Monday, December 1, 2025. The RER A and Transilien lines J, L, and V are experiencing major disruptions due to technical incidents concentrated in Sartrouville in the Yvelines department, with a gradual resumption of service expected around 9 a.m.

An additional stop in the Yvelines for Lines U and N

Good news for some Yvelines residents: all trains on the Dreux - Paris Montparnasse line will stop at Villepreux-Les Clayes station in the Yvelines from December 2026. This decision by Île-de-France Mobilités applies to both weekdays and weekends.

RATP: November 11 public holiday, disruptions on the metro, RER, tramway and transilien lines

November 11th is a public holiday commemorating the Armistice in France. Are you planning to travel in the Paris region that day? We take a look at the disruptions expected on the metro, RER, tramway and transilien lines.