Transports Paris Île-de-France: Metro and RER disruptions from July 6 to 12, 2026

This week from Monday 6 to Sunday 12 July 2026 sees summer construction in full swing across the Paris and Île-de-France public transport network. The RATP and the SNCF are taking advantage of lighter summer crowds to push ahead with their biggestworks. The Line 4 metro will be closed between Montparnasse-Bienvenüe and Les Halles for three weeks. The Line 13 will have its Châtillon branch closed until July 26. The RER C remains affected by lightning damage in Saint-Quentin-en-Yvelines. The Line J of Transilien is still dealing with fallen trees at Villennes-sur-Seine. From the metro to the RER, including Transilien and tram, here’s what to expect this week.

Which subway lines are disrupted this week?

On the Paris metro network, three lines are affected, including two major closures:

• Ligne 4 : From July 6 to 24, inclusive, service will be suspended between Montparnasse-Bienvenüe and Les Halles due to maintenance work. A three-week outage in the heart of Paris—plan accordingly!



• Ligne 12 : From July 8 to 9, inclusive, starting at 10 p.m., service will be suspended along the entire line due to modernization works. Two evenings of closures this week.



• Ligne 13 : From July 6 to 26, inclusive, service will be suspended between Châtillon-Montrouge and Malakoff-Rue Étienne Dolet due to renovations. The southern branch will be closed for three weeks.

What disruptions to the RER services from July 6 to 12?

The RER lines are seeing a flurry of summer works, with the RER C still bearing the scars of lightning damage:

• RER A: Nation station remains closed all summer.
  • Until August 30 included, Nation is not served due to works. A closure that lasts through the end of the summer.
    
    
• RER B: overnight work continues toward the airport.
  • Until July 7 included, from Monday to Friday after 10:45 p.m., service is interrupted between Châtelet-Les Halles and Mitry-Claye/Aéroport Charles de Gaulle 2-TGV due to works.
  • From July 9 to 13 included, on Mondays, Thursdays and Fridays after 10:45 p.m., service will be interrupted between Châtelet-Les Halles and Mitry-Claye/Aéroport Charles de Gaulle 2-TGV due to works.
    
    
• RER C: the line most affected, still marked by lightning damage.
  • Until July 12 included, service is interrupted between Saint-Quentin-en-Yvelines-Montigny-le-Bretonneux and Versailles Chantiers due to electrical installations damaged by a thunderstorm in the Saint-Quentin-en-Yvelines area. Storm aftermath persists.
  • From July 5 to 26 included, on Sundays from 9:07 p.m., service will be interrupted between Gare d'Austerlitz and Dourdan due to works, and from 9:40 p.m. between Gare d'Austerlitz and Saint-Martin-d'Étampes due to works.
  • From July 6 to 13 included, Monday to Friday from 9 p.m., service will be interrupted between Gare d'Austerlitz and Dourdan due to works, and from 9:40 p.m. between Pontoise and Avenue Henri Martin due to works.
  • From July 6 to 10 included, Monday to Friday from 9:45 p.m., service will be interrupted between Gare d'Austerlitz and Juvisy due to works.
  • From July 6 to 13 included, Monday to Friday from 10:20 p.m., service will be interrupted between Gare d'Austerlitz and Pont de Rungis Aéroport d'Orly due to works.
  • From July 6 to 10 included, Monday to Friday from 10:30 p.m., service will be interrupted between Gare d'Austerlitz and Saint-Martin-d'Étampes due to works.
  • From July 6 to August 30 included, the stop at Orly Ville will not be served due to works.
    
    
• RER D: overnight works continue.
  • Until July 24 included, Monday to Friday from 11:35 p.m. to 2 a.m., service is interrupted between Creil and Gare du Nord due to works.
  • Until July 10 included, Monday to Friday from 11:15 p.m. to 2 a.m., service is interrupted between Gare du Nord and Gare de Lyon due to works.
  • Until July 31 included, Monday to Friday from 11:35 p.m. to 2 a.m., service is interrupted between Creil and Gare du Nord due to works.
  • Until July 10 included, Monday to Friday from 11:15 p.m., service is interrupted between Juvisy and Corbeil-Essonnes due to works.
  • Until July 31 included, Monday to Friday from 11 p.m. to 5 a.m., service is interrupted between Corbeil-Essonnes and Malesherbes due to works.
    
    
• RER E: long-running works continue through September.
  • Until September 4 included, Monday to Friday from 10:45 p.m., service is interrupted between Nanterre-La Folie and Chelles-Gournay due to works.
  • Until July 10 included, Monday to Friday from 10:25 p.m., service is interrupted between Nanterre-La Folie and Tournan/Villiers-sur-Marne-Le Plessis-Trévise due to works.
  • From July 11 to August 2 inclusive, weekends from 9:30 p.m., service will be interrupted between Nanterre-La Folie and Tournan due to works.

Which Transilien lines are affected from July 6 to 12?

The Transilien network remains heavily congested, with Line J still dealing with fallen trees:

• Line H : through July 10 inclusive, Monday to Friday from 11:35 PM to 4:30 AM, service is suspended between Épinay-Villetaneuse and Ermont-Eaubonne due to works. From July 11 to 15 inclusive, service will be suspended between Épinay-Villetaneuse and Ermont-Eaubonne for works. The works intensify for the weekend of July 14.
  
  
• Line J : train service is interrupted between Les Mureaux and Poissy until July 6 after trees fell, severely damaging the tracks at Villennes-sur-Seine station. Through July 10 inclusive, service is disrupted across the entire line due to an operational incident making some trains unavailable. Trains origin/destination Conflans-Sainte-Honorine and Les Mureaux are canceled. Until July 17 inclusive, Monday to Friday from 9:40 PM, service is suspended between Saint-Lazare and Mantes-la-Jolie due to works. From July 11 to 12 inclusive, service will be suspended between Saint-Lazare and Mantes-la-Jolie via Poissy due to works. From July 11 to 14 inclusive, service will be suspended between Saint-Lazare and Vernon-Giverny due to works. From July 11 to 12 inclusive, service will be suspended between Issou-Porcheville and Mantes-la-Jolie due to works. A line that's particularly unsettled this week.
  
  
• Line N : through July 31 inclusive, Monday to Friday from 10:00 PM, service is suspended from Gare Montparnasse towards Mantes-la-Jolie due to works. From July 11 to 12 inclusive, service will be suspended between Plaisir-Grignon and Mantes-la-Jolie due to works.
  
  
• Line P : through September 4 inclusive, Monday to Friday from 8:10 PM, service is suspended between Gare de l'Est and Coulommiers due to works, and from 9:45 PM between Gare de l'Est and Provins due to works. Through August 28 inclusive, Monday to Thursday from 9 PM to 2:30 AM, service is suspended between Gare de l'Est and Château-Thierry due to works. From July 11 to 12 inclusive, weekends from 8:35 PM, service will be suspended between Gare de l'Est and Coulommiers due to works. From July 11 to August 2 inclusive, weekends from 9:30 PM, service will be suspended between Gare de l'Est and Provins due to works. From July 12 to August 23 inclusive, service will be suspended between Gare de l'Est and Coulommiers due to works. The line remains severely affected on all its branches.
  
  
• Line R : through July 10 inclusive, Monday to Friday from 12:05 AM to 2:00 AM, service is suspended between Moret-Veneux-les-Sablons and Montargis due to works.

Which tram lines are disrupted this week?

The tramway network is experiencing disruptions:

• T1 : train traffic remains suspended between Asnières-Quatre Routes and Gare de Saint-Denis, with services disrupted on the rest of the line due to acts of vandalism by a third party at L'Île-Saint-Denis. Normal service is expected to resume by the end of summer 2026. Until August 31 inclus, traffic is also suspended between Gare de Noisy-le-Sec and Bobigny-Pablo Picasso due to modernization work. The summer chantier continues.
• T4 : until July 17 inclus, from Monday to Friday starting at 9:15 p.m., the entire line is closed to traffic due to works. The project is drawing to a close.

How to plan ahead for your trips this week?

This week, July 6–12, 2026, calls for a healthy dose of planning, right in the middle of the summer works season. The line 4 of the metro will be cut between Montparnasse-Bienvenüe and Les Halles for three weeks, so map out alternative routes. The line 13 sees its southern branch closed through July 26. The RER C remains affected by the lightning damage between Saint-Quentin-en-Yvelines and Versailles Chantiers. The line J continues to suffer the fallout from fallen trees at Villennes-sur-Seine. The weekend of July 11–12, as Bastille Day approaches, will bring numerous work sites on lines H, J, N and P. Allow extra time for your journeys and regularly check the real-time updates on Bonjour RATP and SNCF Connect for live information. If you’ve planned weekend outings, map out your schedule well in advance.

In short, this week of July 6–12, 2026 sees summer works intensifying across the Île-de-France network. The Line 4 will be closed between Montparnasse and Les Halles for three weeks. The Line 13 is cutting its Châtillon branch. The RER C remains disrupted by lightning damage until July 12. The Line J has seen a combination of fallen trees and an operational incident. The RER A keeps Nation station closed until August 30. The weekend of July 11–12, ahead of Bastille Day on July 14, is going to be busy. If you’re traveling late, consider the Noctilien night-bus lines that run all night. Have a great summer!

• To be read
• This week's top picks for July 6–12, 2026 in Paris and Île-de-France

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