Transports in Paris and Île-de-France: RER and metro disruptions from March 30 to April 5, 2026

A fresh week of disruptions is shaping up for Paris and Île-de-France’s public transport network from Sunday, March 30 to Sunday, April 5, 2026. The week ahead will test commuters as work to modernize continues, with the standout note being the interruption of line 14 of the metro on Sunday, April 5, until 2 p.m.—an unusually prolonged daytime outage. The RER B will also host new weekend works, shutting between Denfert-Rochereau and La Croix de Berny/Robinson. The Transilien Line U will be completely suspended midweek. From metro to RER, via Transilien and tram, here’s a briefing on all disruptions expected this week.

Which Metro and Tram Lines Are Disrupted This Week?

On the Paris metro front, two lines are experiencing significant disruptions:

• Line 12: Wednesday, April 1 from 10 p.m., traffic on the entire line will be halted due to modernization work. Sunday, April 5 from 10 p.m., traffic on the entire line will again be halted for modernization. The usual overnight works will continue.
• Line 14: April 5 until 2 p.m., traffic on the entire line will be halted for modernization work. Note: a full closure is planned for Sunday afternoon, so please be sure to plan an alternative route for your Sunday travel!

On the tram network, the usual lines remain disrupted, and a fresh temporary interruption has been added:

• T1: Service remains interrupted 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. By way of background, on the night of May 15-16, 2025, a boat struck the bridge linking Saint-Denis to Île-Saint-Denis. A restart is planned for the end of summer 2026.
  
  
• T3b: On Sunday, April 5, from 8:15 a.m. to 12:45 p.m., service will be suspended between Porte de la Villette and Rosa Parks due to a sporting event. Note: a mid-morning disruption on a Sunday—plan your travel accordingly!
  
  
• T12: Saturday from 11:50 p.m. onward, service will be interrupted between Massy-Palaiseau and Épinay-sur-Orge due to works. Weekend nighttime maintenance sessions will continue.

What disruptions are expected on the RER between March 30 and April 5?

The RER lines are experiencing major disruptions, with new works on the RER B this weekend:

• RER B:
  • From Monday to Friday after 10:45 p.m., service is suspended between Châtelet-Les Halles and Aéroport Charles de Gaulle 2-TGV/Mitry-Claye due to works. Replacement buses are in service at Gare du Nord.
  • From April 4 to 6 inclusive, service will be suspended between Denfert-Rochereau and La Croix de Berny/Robinson due to modernization works. A new weekend disruption affects the southern part of the line.
    
    
• RER C:
  • From Monday to Friday after 9:40 p.m., service is suspended between Gare d'Austerlitz and Saint-Martin-d'Étampes due to works, and between Pontoise and Avenue Henri Martin for works.
  • From Monday to Friday after 9:00 p.m., service is suspended between Gare d'Austerlitz and Dourdan due to works.
  • Until April 3, inclusive, from Monday to Friday between 10:00 a.m. and 3:00 p.m., no stops at Saint-Michel-sur-Orge, Sainte-Geneviève-des-Bois, Épinay-sur-Orge and Savigny-sur-Orge toward Saint-Quentin-en-Yvelines, Versailles Château Rive Gauche and Pontoise due to works. Expect daytime interruptions.
  • Monday and Tuesday after 9:20 p.m., service will be suspended between Saint-Quentin-en-Yvelines-Montigny-le-Bretonneux and Javel, and between Versailles Château Rive Gauche and Javel because of works.
  • From March 30 to 31 inclusive, on Monday and Tuesday from 11:00 p.m. to 3:00 a.m., service will be suspended between Gare d'Austerlitz and Juvisy due to works.
  • From Monday to Friday after 9:10 p.m., service will be suspended between Saint-Quentin-en-Yvelines-Montigny-le-Bretonneux and Javel/Versailles Château Rive Gauche due to works.
  • From Monday to Friday after 10:25 p.m., service will be suspended between Gare d'Austerlitz and Juvisy due to works.
  • Saturday and Sunday, service will be suspended between Ivry-sur-Seine and Massy-Palaiseau due to works, and between Pontoise and Champ de Mars Tour Eiffel due to works.
  • Sunday from 9:00 p.m., service will be suspended between Gare d'Austerlitz and Dourdan due to works. A week with notable disruptions for this line.
  
  
• RER D:
  • From Monday to Friday after 11:00 p.m., service is suspended between Gare de Lyon and Melun/Corbeil-Essonnes due to track works.
  • From Monday to Friday after 11:15 p.m., service will be suspended between Gare de Lyon and Melun/Corbeil-Essonnes due to works.
  • Saturday and Sunday, service will be suspended between Corbeil-Essonnes and Melun due to works.
  • Saturday from 10:00 p.m., service will be suspended between Villeneuve-Saint-Georges and Combs-la-Ville-Quincy due to works.
  • Saturday and Sunday from 10:50 p.m., no stop at Stade de France Saint-Denis toward Creil due to works.
    
    
• RER E:
  • From Monday to Friday after 9:55 p.m., service is suspended between Nanterre-La Folie and Tournan due to works. The project kicked off last week continues with early-evening interruptions.
  • Until April 3, inclusive, from Monday to Friday after 10:45 p.m., service is suspended between Nanterre-La Folie and Chelles-Gournay due to works.

Which Transilien lines are affected between March 30 and April 5?

The Transilien network is sticking with its numerous night-time works, bringing a full shutdown of Line U midweek:

• Ligne H : From Monday to Friday starting at 11:35 PM, service is suspended between Épinay-Villetaneuse and Sarcelles-Saint-Brice due to works, and between Ermont-Eaubonne and Valmondois due to works. From April 4 to 6 inclusive, on Monday, Saturday and Sunday from 11:35 PM, service will be suspended between Épinay-Villetaneuse and Persan-Beaumont due to works. The construction site is intensifying this weekend.
  
  
• Ligne J : From Monday to Friday starting at 9:40 PM, service will be suspended between Gare Saint-Lazare and Mantes-la-Jolie due to works. From April 4 at 12:00 PM to April 6 at 12:00 PM, service will be suspended between Issou-Porcheville and Mantes-la-Jolie due to works. Note, a daytime disruption all weekend long!
  
  
• Ligne L : Until April 3 inclusive, Monday to Friday from 10:10 PM, service is suspended between Gare Saint-Lazare and La Défense due to works. The long-running project is nearing completion this week.
  
  
• Ligne N : Monday and Tuesday from 10 PM, service is suspended between Gare Montparnasse and Rambouillet due to works. Monday and Tuesday from 10:30 PM, service will be suspended from Plaisir-Grignon toward Mantes-la-Jolie due to works. From April 1 to 3 inclusive, Wednesday to Friday until 5:30 AM, service will be suspended between La Verrière and Rambouillet due to works. From Monday to Friday from 8:45 PM, service will be suspended between Gare Montparnasse and Mantes-la-Jolie due to works. Very early evening interruptions this week.
  
  
• Ligne P : Until May 8 inclusive, Monday to Friday from 9:45 PM, service is suspended between Gare de l'Est and Provins toward Meaux, toward Château-Thierry and toward Coulommiers due to works. The long-running project continues on all branches of the line.
  
  
• Ligne R : From Monday to Friday starting at 11:15 PM, service is suspended between Gare de Lyon and Montargis/Montereau via Moret-Veneux-les-Sablons due to works. Saturday and Sunday, service will be suspended between Melun and Montereau via Héricy due to works. Saturday from 10 PM, service will be suspended between Gare de Lyon and Melun due to works. The weekend will be particularly affected.
  
  
• Ligne U : Monday and Tuesday from 8:30 PM, service is suspended between La Défense and La Verrière due to works. From Wednesday to Friday from 8:20 PM, service will be suspended on the entire line due to works. Note, a total midweek interruption in the early evening!

How to plan your travel for the week ahead?

For the week of March 30 to April 5, 2026, commuters should brace for major disruptions, starting with a full shutdown of line 14 of the metro on Sunday until 2 p.m. This key artery serves many neighborhoods from Saint-Ouen to Olympiades, so be sure to plan alternate routes via lines 4, 7, 13, or the surface lines. The RER B will also undergo work this weekend, with service cut between Denfert-Rochereau and La Croix de Berny/Robinson, affecting connections to the southern inner suburbs. The tramway T3b will be paused Sunday morning between Porte de la Villette and Rosa Parks for a sporting event. The Transilien line U will be completely suspended from Wednesday to Friday starting at 8:20 p.m., an unusually early end to service. The RER C remains particularly affected, with numerous interruptions during the week and on weekends. Check regularly the real-time updates on Bonjour RATP and SNCF Connect for the latest traffic information. If you’re planning weekend outings, allow extra time and double-check schedules in advance.

In short, this week from March 30 to April 5, 2026, the intensive maintenance on the Île-de-France network continues, with an exceptional closure of Line 14 of the metro on Sunday afternoon until 2:00 p.m. The RER B kicks off a new worksite this weekend in its southern segment. The RER E presses on with its project, bringing disruptions early in the evening starting at 9:55 p.m. that will noticeably affect your travels. The Line U will be completely suspended from Wednesday to Friday from early evening. If you need to move around late at night or this weekend, consider the Noctilien night bus network, which continues to thread through Paris and Île-de-France all night long. Good luck with this busy week!

• To be read
• This week's best deals in Paris and Île-de-France, March 30 to April 5, 2026

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