Transport in Paris and Île-de-France: RER and metro disruptions from April 7 to 12, 2026

A fresh week of disruptions is on the way for the public transport network in Paris and Île-de-France from Tuesday, April 7 to Saturday, April 12, 2026. The RATP and the SNCF continue their modernization programs, with the marquee event being the long-running works on Line 3 of the metro between Gallieni and Gambetta set to run until mid-May. The Paris Marathon on Sunday, April 12 will affect the tram line T3b until late afternoon. The RER A will also undergo new weekday and weekend works. From the metro to the RER, including the Transilien and the tram, here’s a complete update on all disruptions expected this week.

Which Metro and Tram Lines Are Disrupted This Week?

On the Paris metro side, four lines are experiencing significant disruptions:

• Ligne 3 : from April 8 to May 12 inclusive, service will be suspended between Gallieni and Gambetta due to works. A long-running project kicking off this week, it will affect the entire eastern section of the line for over a month.



• Ligne 3bis : from April 12 to May 10 inclusive, on Sundays from 10:15 p.m. onward, traffic will be halted along the entire line due to works. Sunday night works begin this week.



• Ligne 12 : until April 12, from 10 p.m., every Sunday and some Wednesdays and Thursdays, service is suspended along the whole line for modernization works. The usual nightly works are nearing completion this week.



• Ligne 13 : from April 9 to 12 inclusive, Plaisance station will not be served due to modernization works. A midweek station closure.

On the tramway network, the usual lines remain disrupted with two major events this weekend:

• T1 : Traffic remains halted between Asnières-Quatre Routes and Gare de Saint-Denis, with disruptions across the rest of the line due to damage caused by a third party at Île-Saint-Denis. As a reminder, in May 2025 a boat struck the bridge linking Saint-Denis to Île-Saint-Denis. Service is not expected to resume until the end of summer 2026.
  
  
• T3b : On April 12, until 18:30, service will be suspended between Porte Dauphine (Avenue Foch) and Porte Maillot (Palais des Congrès) due to the Paris Marathon. Note: an all-day closure on Sunday for the sporting event!
  
  
• T11 : On April 11, service will be suspended across the entire line due to works. A full-day outage on Saturday.

What disruptions to the RER services from April 7 to 12?

RER lines are facing major disruptions, with new works underway on the RER A:

• RER A: a major new worksite kicking off this week on the western branch of Île-de-France’s busiest line.
  • From April 7 to 29 inclusive, Monday to Friday starting at 9:50 p.m., service will be suspended between Maisons-Laffitte and Cergy-Le Haut due to works.
  • From April 11 to 19 inclusive, on weekends, service will be suspended between Maisons-Laffitte and Cergy-Le Haut due to works.
• RER B: the usual night-time works toward the airport continue throughout the month.
  • Until April 6 inclusive, service is suspended between Denfert-Rochereau and La Croix de Berny/Robinson due to modernization works. This project ends this Sunday.
  • From April 7 to 30 inclusive, Monday to Friday starting at 10:45 p.m., service will be suspended between Châtelet-Les Halles and Mitry-Claye/Aéroport Charles de Gaulle 2-TGV due to works.
• RER C: a line heavily affected with numerous weekday and weekend interruptions.
  • From April 5 to 6 inclusive, on Mondays and Sundays from 9 p.m., service will be suspended between Gare d'Austerlitz and Dourdan due to works.
  • From April 5 to 6 inclusive, on Mondays and Sundays from 9:30 p.m., service will be suspended between Gare d'Austerlitz and Saint-Martin-d'Étampes due to works.
  • On April 6 from 9 p.m., service will be suspended between Saint-Quentin-en-Yvelines-Montigny-le-Bretonneux and Javel due to works.
  • Until April 6 inclusive, service is suspended between Pontoise and Champ de Mars Tour Eiffel due to works.
  • Until April 26 inclusive, weekends, service is suspended between Ivry-sur-Seine and Massy-Palaiseau due to works.
  • Until April 30 inclusive, Monday to Friday starting at 10:25 p.m., service is suspended between Gare d'Austerlitz and Juvisy due to works.
  • Until April 24 inclusive, Monday to Friday starting at 9:10 p.m., service is suspended between Saint-Quentin-en-Yvelines-Montigny-le-Bretonneux and Javel/Versailles Château Rive Gauche and Javel due to works.
  • From April 7 to 30 inclusive, Monday to Friday starting at 9 p.m., service will be suspended between Gare d'Austerlitz and Dourdan due to works.
  • From April 7 to 30 inclusive, Monday to Friday starting at 9:40 p.m., service will be suspended between Gare d'Austerlitz and Saint-Martin-d'Étampes due to works, and between Pontoise and Avenue Henri Martin due to works.
  • From April 7 to 30 inclusive, Monday to Friday starting at 10 p.m., service will be suspended between Gare d'Austerlitz and Pont de Rungis Aéroport d'Orly due to works.
  • From April 11 to 12 inclusive, service will be suspended between Pontoise and Champ de Mars Tour Eiffel due to works.
  • From April 11 to 25 inclusive, Saturdays from 11 p.m., service will be suspended between Gare d'Austerlitz and Dourdan due to works.
  • From April 11 to 26 inclusive, weekends from 11 p.m. to 3 a.m., service will be suspended between Gare d'Austerlitz and Juvisy due to works.
  • From April 11 to 25 inclusive, Saturdays from 11 p.m. to 3 a.m., service will be suspended between Gare d'Austerlitz and Saint-Martin-d'Étampes due to works.
  • From April 12 to 26 inclusive, Sundays from 9 p.m., service will be suspended between Dourdan and Gare d'Austerlitz due to works.
  • From April 12 to 26 inclusive, Sundays from 9:30 p.m., service will be suspended between Gare d'Austerlitz and Saint-Martin-d'Étampes due to works.
• RER D: numerous nighttime works on weekdays and weekends.
  • Until April 11 inclusive, weekends from 10:50 p.m. to 8:50 a.m., trains do not stop at Stade de France Saint-Denis toward Creil due to works.
  • Until April 19 inclusive, weekends, service is suspended between Corbeil-Essonnes and Melun due to works.
  • Until April 24 inclusive, Monday to Friday starting at 11:15 p.m., service is suspended between Gare de Lyon and Melun/Corbeil-Essonnes due to works.
  • From March 30 to April 30 (weekdays and excluding holidays), from 11:35 p.m., service is suspended between Creil and Paris Gare du Nord due to network works.
  • From April 10 at 3 a.m. to April 12 at 3 a.m., service will be suspended between Villeneuve-Saint-Georges and Melun via Combs-la-Ville-Quincy due to works. A new nocturnal chantier this weekend.
• RER E: the works continue with very early evening interruptions and unusual daytime disruptions throughout the week.
  • Until April 10 inclusive, Monday to Friday from 9:55 p.m., service is interrupted between Nanterre-La Folie and Tournan due to works.
  • From April 6 to 7 inclusive, Mondays and Tuesdays from 10:45 p.m., service will be interrupted between Nanterre-La Folie and Chelles-Gournay due to works.
  • From April 8 to 10 inclusive, Wednesday to Friday from 10:15 p.m. to 1:45 a.m., service will be interrupted between Nanterre-La Folie and Chelles-Gournay due to works.
  • From April 6 to 10 inclusive, Monday to Friday from 8:30 a.m. to 4:20 p.m., service will be disrupted between Nanterre-La Folie and Chelles-Gournay due to works. Note the unusual daytime disruptions all week long.

Which Transilien lines are affected from April 7 to 12?

The Transilien network continues to carry out its numerous night-time works:

• Line H : through April 6 inclusive, on Mondays, Saturdays and Sundays from 11:35 p.m., service is suspended between Épinay-Villetaneuse and Persan-Beaumont due to works. Through April 10 inclusive, Monday to Friday from 11:35 p.m. and Monday to Friday until 4:30 a.m., service is suspended between Épinay-Villetaneuse and Sarcelles-Saint-Brice for works. Through April 10 inclusive (except Monday, April 6), Monday to Friday from 11:35 p.m., service is suspended between Ermont-Eaubonne and Valmondois for works. From April 7 to 10 inclusive, Tuesday to Friday from 11:35 p.m. and until 4:30 a.m. Tuesday to Friday, service will be suspended between Épinay-Villetaneuse and Sarcelles-Saint-Brice due to works.
  
  
• Line J : until 12 p.m. on April 6, service is suspended between Issou-Porcheville and Mantes-la-Jolie for works. Through April 24 inclusive, Monday to Friday from 9:40 p.m., service is suspended between Gare Saint-Lazare and Mantes-la-Jolie due to works. From April 11 at 12 p.m. to April 12 at 4 p.m., service will be interrupted between Gare Saint-Lazare and Vernon-Giverny due to works, and between Mantes-la-Jolie and Les Mureaux due to works. Note the significant disruptions this weekend during the day!
  
  
• Line L : from April 7 to 10 inclusive, Tuesday to Friday from 9:50 p.m., service will be suspended between Sartrouville and Maisons-Laffitte due to works. From April 7 to 10 inclusive, Tuesday to Friday from 10:10 p.m., service will be suspended between Gare Saint-Lazare and La Défense due to works. The project resumes in the middle of the week.
  
  
• Line N : until April 24 inclusive, Monday to Friday from 8:45 p.m., service is suspended between Gare Montparnasse and Mantes-la-Jolie due to works. Until April 25 inclusive, Saturdays until 5:20 a.m., service is suspended from Rambouillet toward La Verrière due to works. From April 6 to 24 inclusive, Monday to Friday until 5:05 a.m., service will be suspended from Rambouillet toward Gare Montparnasse due to works. From April 6 to 24 inclusive, Monday to Friday from 7:45 p.m., service will be suspended between Gare Montparnasse and Rambouillet due to works. Very early evening interruptions begin as early as 7:45 p.m. From April 11 at 11:30 a.m. to April 12 at 4:30 p.m., service will be interrupted between Épône-Mézières and Mantes-la-Jolie due to works.
  
  
• Line P : through April 17 inclusive, Monday to Friday from 10:30 p.m., service is suspended between Gare de l'Est and Coulommiers due to works. Through April 24 inclusive, Monday to Friday from 10 p.m., service is suspended between Gare de l'Est and Château-Thierry due to works. Through May 1 inclusive, Monday to Friday from 9:50 p.m., service is suspended between Gare de l'Est and Meaux due to works. Through May 8 inclusive, Monday to Friday from 9:45 p.m., service is suspended between Gare de l'Est and Provins due to works. The long-running project continues across all branches of the line.
  
  
• Line R : until April 19 inclusive, weekends only, service is suspended between Melun and Montereau via Héricy due to works. Through April 30 inclusive, Monday to Friday from 11:15 p.m., service is suspended between Gare de Lyon and Montargis/Montereau due to works. From April 11 to 12, service will be disrupted between Gare de Lyon and Montereau/Montargis due to works. Trains diverted via Corbeil this weekend.
  
  
• Line U : on April 6 from 9:15 p.m., service will be suspended between La Défense and La Verrière due to works. Last departure from La Défense to La Verrière: 9:15 p.m. Last departure from La Verrière to La Défense: 8:20 p.m. From April 7 to 24 inclusive, Monday to Friday from 8:00 p.m., service will be suspended between La Défense and La Verrière due to works. Early evening interruptions continue.
  
  
• Line V : from April 11 to 12 inclusive, service will be suspended between Versailles Chantiers and Massy-Palaiseau due to works. A complete weekend interruption is planned.

How to plan your travel for the week ahead?

This week, from April 7 to 12, 2026, calls for real forward planning as long-term work kicks off on Line 3 of the metro, between Gallieni and Gambetta, running until mid-May. The disruption will hit the eastern section of the line for more than a month, so plan alternative routes via Line 11 or buses. The Paris Marathon on Sunday, April 12, will disrupt the Tramway T3b all day, until 6:30 p.m., between Porte Dauphine and Porte Maillot. The RER A will undergo significant new works between Maisons-Laffitte and Cergy-Le Haut on weekdays and weekends. The RER E will be disrupted during the day all week, from 8:30 a.m. to 4:20 p.m., an unusual situation. The Line N of Transilien will see outages beginning even earlier, from 7:45 p.m. This weekend will be busy, with numerous daytime disruptions on lines J, N and V. Regularly check the applications Bonjour RATP and SNCF Connect for real-time information. If you had weekend plans, factor in extra time and check schedules in advance.

This week, from April 7 to 12, 2026, marks the start of a major project on the Line 3 metro that will run until mid-May. The Paris Marathon on Sunday will keep the T3b tramway moving all day. The RER A will see a new significant work start on its western branch toward Cergy. The RER E will experience unusual daytime disruptions throughout the week. The Line 12 of the metro finishes its modernization works this week, a welcome development. If you absolutely need to travel late at night, consider the Noctilien night buses that continue to roam Paris and the Île-de-France area all night. Good luck with this busy week!

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

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