Paris Île-de-France transport: Metro and RER disruptions from June 29 to July 5, 2026

Public transport in Paris and the Île-de-France region will be disrupted from 29 June to 5 July 2026, with numerous works on the metro, the RER and the Transilien network, including the Nation station closed all summer and the N and U lines running at reduced service according to RATP and SNCF.

This week, from Monday, June 29 to Sunday, July 5, 2026, public transport in Paris and in Île-de-France remains disrupted across the network. The RATP and the SNCF continue their usual interruptions while launching their first summer works. The RER A will see Nation station out of service for two months. The N and U lines of Transilien are slowed during peak hours between La Verrière and La Défense following the thunderstorm. The RER D will host several new work sites, including one in the heart of Paris between Gare du Nord and Gare de Lyon. The RER C changes its weekend configuration. The Line 12 of the metro will be closed for two evenings. From the metro to the RER, via the Transilien, here’s a look at what to expect this week.

Which metro line is experiencing disruptions this week?

On the Paris metro side, only one line is affected:

Line 12: From July 1 to July 5 inclusively, on Wednesdays and Sundays from 10 p.m., service will be suspended along the entire line due to modernization work. Two closure evenings this week.

What disruptions to the RER should you expect from June 29 to July 5?

The RER lines are facing several disruptions as the first summer construction projects get underway:

RER A: works continue with one station closed for two months.
- Through July 5 inclusive, on weekends, service is suspended between Nanterre-Préfecture and Cergy-Le Haut/Poissy due to construction.
- From June 29 to August 30 inclusive, the stop at Nation will not be served due to works. A station closed for the entire summer!
- Through July 3 inclusive, on Fridays from 10 p.m., service is suspended between Nanterre-Préfecture and Cergy-Le Haut/Poissy because of works.
RER B: night works continue toward the airport.
- Through July 7 inclusive, Monday to Friday from 10:45 p.m., service is suspended between Châtelet-Les Halles and Mitry-Claye/Aéroport Charles de Gaulle 2-TGV due to works.
RER C: the line most affected, with a weekend reconfiguration.
- Through June 28 inclusive, service is suspended between Champ de Mars-Tour Eiffel and Versailles Château Rive Gauche/Saint-Quentin-en-Yvelines-Montigny-le-Bretonneux due to works.
- Through July 3 inclusive, Monday to Friday from 11 p.m. to 3 a.m., service is suspended between Gare d'Austerlitz and Juvisy due to works, between Gare d'Austerlitz and Pont de Rungis Aéroport d'Orly due to works, between Gare d'Austerlitz and Saint-Martin-d'Étampes due to works, and between Saint-Quentin-en-Yvelines-Montigny-le-Bretonneux and Javel, and between Versailles Château Rive Gauche and Javel due to works.
- From July 4 to July 5 inclusive, on weekends, service will be interrupted between Saint-Quentin-en-Yvelines-Montigny-le-Bretonneux and Champ de Mars Tour Eiffel, and between Versailles Château Rive Gauche and Champ de Mars Tour Eiffel due to works.
- From July 5 to July 26 inclusive, Sunday from 9:07 p.m., service will be suspended 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. New Sunday works throughout July!
RER D: several new works begin Monday.
- From June 9 to July 31 inclusive, Monday to Friday from 11 p.m. to 5 a.m., service is suspended between Corbeil-Essonnes and Malesherbes due to works.
- From June 29 to July 10 inclusive, Monday to Friday from 11:15 p.m. to 2 a.m., service is suspended between Gare du Nord and Gare de Lyon due to works. A new work site in the heart of Paris!
- From June 29 to July 10 inclusive, Monday to Friday from 11:15 p.m., service is suspended between Juvisy and Corbeil-Essonnes due to works.
- From June 29 to July 31 inclusive, Monday to Friday from 11:35 p.m. to 2 a.m., service is suspended between Creil and Gare du Nord due to works. A month-long project kicks off Monday.
- From July 4 to July 5 inclusive, service will be interrupted between Corbeil-Essonnes and Malesherbes due to works.
RER E: long-running works continue through September.
- Through September 4 inclusive, Monday to Friday from 10:45 p.m., service is suspended between Nanterre-La Folie and Chelles-Gournay due to works.
- Through July 10 inclusive, Monday to Friday from 10:25 p.m., service is suspended between Nanterre-La Folie and Tournan/Villiers-sur-Marne-Le Plessis-Trévise due to works.

Which Transilien lines will be affected from June 29 to July 5?

The Transilien network remains very busy, with several new summer construction projects and the N and U lines running slower:

Line K: until June 29 inclusive, from 9:15 p.m. to 6:00 a.m., Aulnay-sous-Bois station is not served due to works. Service resumes midweek.
Line L: until July 3 inclusive, on Fridays from 9:50 p.m., traffic is suspended between Sartrouville and Maisons-Laffitte due to works. From July 4 to July 5 inclusive, weekends, traffic will be suspended between Sartrouville and Maisons-Laffitte for works. Interruptions continue.
Line N: from Monday, June 29 to Friday, July 3, traffic is disrupted between La Verrière and La Défense in both directions. During the morning peak (6:30 a.m.–9:30 a.m.) and evening peak (4 p.m.–8 p.m.), DEFI and VERI trains run every 30 minutes. Until June 30 inclusive, from Monday to Friday after 8:50 p.m., traffic is interrupted between Gare Montparnasse and Mantes-la-Jolie due to works. From June 28 to July 3 inclusive, Monday to Friday, from 1:01 a.m. to 3:00 a.m., traffic is interrupted between Gare Montparnasse and Versailles Chantiers toward Dreux, Rambouillet and Mantes-la-Jolie due to works. From July 1 to 31 inclusive, Monday to Friday from 10:00 p.m., traffic is interrupted from Gare Montparnasse toward Mantes-la-Jolie for works. From July 5 to 23 inclusive, Monday to Friday from 1:00 a.m., traffic is interrupted from Gare Montparnasse toward Versailles Chantiers for works. A line under power this week.
Line P: from June 29 to September 4 inclusive, Monday to Friday from 8:10 p.m., traffic is suspended between Gare de l'Est and Coulommiers due to works. From June 29 to August 28 inclusive, Monday to Thursday from 9 p.m. to 2:30 a.m., traffic is suspended between Gare de l'Est and Château-Thierry due to works. Two major summer projects kicking off Monday and running through September!
Line R: from June 29 to July 3 inclusive, Monday to Friday from 10:26 a.m. to 3:30 p.m., traffic is suspended between Melun and Montereau via Héricy due to works. Daytime disruptions are rare! From June 29 to July 10 inclusive, Monday to Friday from 12:05 a.m. to 2:00 a.m., traffic is suspended between Moret-Veneux-les-Sablons and Montargis due to works.
Line U: from Monday, June 29 to Friday, July 3, traffic is disrupted between La Verrière and La Défense in both directions. During the morning peak (6:30 a.m.–9:30 a.m.) and the evening peak (4 p.m.–8 p.m.), DEFI and VERI trains run every 30 minutes. Expect longer gaps during rush hours.

How to plan ahead for your trips this week?

This week, June 29 to July 5, 2026, calls for planning, with typical disruptions and a first wave of summer works. The RER A will see the Nation station closed through August 30. The RER D will undergo a new project in central Paris, between Gare du Nord and Gare de Lyon. The lines N and U will run slower during peak hours between La Verrière and La Défense, with trains every 30 minutes. The line P kicks off two major works that run through September. Allow extra time for your journeys and regularly check the apps Bonjour RATP and SNCF Connect for real-time information. If you had weekend plans for this weekend, please plan your schedules well in advance.

Briefly, this week—from June 29 to July 5, 2026—work on the Île-de-France network is multiplying. The RER A will close Nation station until August 30. The RER D is launching several projects, including a section between Gare du Nord and Gare de Lyon. The RER C is changing its weekend setup and will host Sunday works throughout July. The lines N and U will be slowed during peak hours. The line P launches two major projects through September. The RER E continues its works through September. If you’re traveling late at night, consider the Noctilien night bus lines that run all night. Have a good start to the summer!

Information, works, and upcoming closures on the metro and RER in Paris and Île-de-France

Paris transit: a metro station will be closed for the entire month of July.
Amid the major summer construction works, the terminus of line 13 will close its entrances for several weeks, forcing passengers to divert to a temporary stop from July 6 to July 26, 2026. [Read more]

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Summer 2026 works on the RER D: no trains between Gare du Nord and Gare de Lyon
This is news that won’t please the daily users of the RER D. This summer, service on the famous RER D line will be suspended between Gare du Nord and Gare de Lyon. We’ll tell you everything. [Read more]

Line P disruptions this summer: Six weeks of maintenance work in Seine-et-Marne
This summer of 2026, the Transilien line P will face significant disruptions across Seine-et-Marne. SNCF Réseau is launching a major overhaul of the tracks between Coulommiers and Tournan, scheduled from July 13 to August 23, 2026. [Read more]

Summer 2026 tramway works: the T1 will be partially interrupted for most of the summer
In addition to the metro and Transilien trains, a few tramways will also be undergoing renovations during the summer, including the T1, which will be closed for most of the summer. [Read more]

Summer 2026 work on the RER A: service interrupted in August between Vincennes and Noisy-le-Grand
During the summer, RATP and SNCF take advantage of lower ridership to carry out work on their lines. This summer 2026, RER A users will not be spared. So what can we expect? Find out about the disruptions announced on RER line A in August. [Read more]

Summer 2026 work on metro line 4: service interrupted for two weeks in July
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Summer 2026 works on metro line 13: service interrupted in northern Paris for 18 days
This summer 2026, like many of its counterparts, metro line 13 will be interrupted at several times, the longest being for 18 days between Saint-Denis Université and Porte de Saint-Ouen. [Read more]

Summer 2026 work on metro line 12: service interrupted for ten days on half of the line
As every summer, transportation disruptions are expected in 2026, particularly on metro line 12 from mid-July to the end of the month, due to modernization work. Which stations will be closed? [Read more]

RER C: closure between Austerlitz and western Paris for major works in 2026
The RER C will be completely suspended between Austerlitz station and western Paris due to a large-scale safety and modernization project. The closure will last for 39 days, from July 15 to August 22, 2026, with a major impact on summer travel. [Read more]

RER B: closure of the central section in Paris in summer 2026 for works
The RER B will be suspended between Gare du Nord and southern Paris for 23 days, from July 25 to August 16, 2026, for modernization work on the Île-de-France rail network. [Read more]

RER A: Nation station closed for two months in summer 2026
In order to best assist Paris and Île-de-France public transport users in their future journeys, Île-de-France Mobilités has lifted the veil on the major works to come, particularly the summer works. On the RER A, the Nation station will be closed for two consecutive months, from June 29 to August 30, 2026. [Read more]

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Public transport in Paris: access to four metro stations closed this Tuesday.
Heads up if you were planning to take the metro this Tuesday, especially on lines 1, 2, 6 or 11. At the request of the Paris Police Prefecture, access to four metro stations will be closed on June 30, 2026. Here’s what you need to know. [Read more]

Storms: which train lines are still disrupted on Sunday, June 28 in Île-de-France?
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Traffic disrupted on lines N and U, a station damaged by the storm in Yvelines
Following a particularly violent thunderstorm in Yvelines, Transilien lines N and U are facing heavy service disruption this Sunday. Electrical systems were struck by lightning at a major station, and the outage could stretch on longer than expected. [Read more]

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Grand Paris Express: here is the start date for putting the first stretch of Line 18 into service.
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Summer service disruption on the RER A: what are the alternatives to reach Disneyland Paris?
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Heatwave: transport disruptions this Wednesday in Île-de-France
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The €5.10 anti-pollution pass renewed in Île-de-France on June 24.
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