Interruptions, reduced frequencies, station closures: anticipate the construction sites that impact your travel and find your alternative route.
August 8 to 23
No trains are running between Vincennes and Noisy-le-Grand Mont d'Est.
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Renewal of several switches and crossings, sleepers and ballast to improve the reliability of the network.
June 29 to August 30
There are no trains to Nation Station.
Traffic is interrupted on the RER A between Vincennes and Noisy-le-Grand Mont d'Est from 8 to 23 August.
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Renovation of Nation station
July 25 to August 6
No trains are running between Bourg-la-Reine and Gare du Nord.
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Renewal of several switches and crossings and ballast, as well as completion of the replacement of the Bourg-la-Reine signal box, in order to improve the reliability of the network
August 7 to 16
There are no trains running between La Croix de Berny / Robinson and Gare du Nord/
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Renewal of several switches and crossings and ballast, as well as completion of the replacement of the Bourg-la-Reine signal box, in order to improve the reliability of the network
July 25 to August 16
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Replacement of 34 switches and tracks between Gare du Nord and Gare de Lyon to improve network reliability
August 29 to 30
No trains are running between Gare du Nord and Denfert-Rochereau
Replacement of switches and crossings at Gare du Nord
From July 15 to August 22
There are no trains running between Paris Austerlitz and Saint-Quentin en Yvelines / Versailles-Château Rive Gauche
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Work to install flood protection to secure the network, as well as the replacement of the catenary to improve the reliability of traffic.
From July 15 to August 22
There are no trains running between Paris Austerlitz and Pontoise
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Work to install flood protection to secure the network, as well as the replacement of the catenary to improve the reliability of traffic.
July 25 to August 16
There are no trains running between Gare du Nord and Gare de Lyon. The trains originated and terminated at Gare du Nord in the north, and Gare de Lyon in the south.
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Replacement of 40 switches in the underground stations of Gare du Nord and Gare de Lyon in order to improve the network
July 25 to August 16
Trains that run between Creil and Gare du Nord do not serve the Stade de France - Saint-Denis station. The other trains originated and terminated at Stade de France - Saint-Denis.
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Replacement of 34 switches and tracks between Gare du Nord and Gare de Lyon to improve network reliability
July 11 to August 7
Trains run in reduced numbers between Tournan, Villiers-sur-Marne and Nanterre-la-Folie
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From 6 July to 24 July
There is no metro running between Les Halles and Montparnasse - Bienvenüe.
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Infrastructure work
July 25 to August 16
A risk of heavy traffic is to be expected on the line due to the closures of the RER B and D in the centre of Paris
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July 25 to August 16
A risk of heavy traffic is to be expected on the line due to the closures of the RER B and D in the centre of Paris
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August 20 to 27
No metro runs between Balard and Concorde.
Traffic is completely interrupted on the RER C between Gare d'Austerlitz and Pontoise / Versailles Château Rive Gauche / Saint-Quentin-en-Yvelines from 15 July to 22 August.
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Adaptation and renovation work to prepare for the arrival of the new rolling stock
From July 22, 2026 to April 2027
Trains do not stop.
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Renovation of the station
From July 16 to July 26
No metro runs between Concorde and Jules Joffrin
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Continuation of the line's modernisation work
From 10 p.m., on the following days:
Traffic is interrupted on metro 4 between Les Halles and Montparnasse from 6 to 24 July.
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Preparation for the arrival of the new MF19 metros
July 31 to August 17
No metro runs between Saint-Denis - Université and La Fourche.
The T1 tramway was interrupted between Asnières - Quatre Routes and La Courneuve - 8 May 1945 from 13 July to 28 August.
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Preparatory work for the automation of the line
From 6 to 26 July
Trains do not stop.
Other lines are affected by works.
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Replacement work on fixed metal stairs and maintenance of an escalator.
August 6 to 9
Trains do not stop.
Other lines are affected by works.
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This operation is part of the automation project for line 13: raising the platforms before installing the platform facades.
Until noon on the following Sundays:
The line is completely closed
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Preparation for the arrival of the MF19 metro and the future automation of line 13
Until July 12
No tram runs between Asnières - Quatre Routes and Gare de Saint-Denis.
The RER C is interrupted between Pontoise and Paris Austerlitz from 15 July to 22 August.
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Repair of the Ile-Saint-Denis bridge
From July 13 to August 28, 2026
No tram ran between Asnières - Quatre Routes and La Courneuve on 8 May 1945.
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Preparation for the arrival of the future metros 15, 16, 17 and 18 and renewal of some rails
June 1 to August 31, 2026
There are no trams running between Bobigny – Pablo Picasso and Gare de Noisy-le-Sec.
Traffic is reduced on the RER E from 10 July to 7 August.
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Preparation for the arrival of the future metros 15, 16, 17 and 18 and renewal of some rails
From July 13 to August 23
No tram runs between Puteaux and Charlebourg.
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Work to decongestion the La Défense station.
August 3 to 7 and August 10 to 14
No tram runs between Noisy-le-Roi and Saint-Cyr
Track consolidation
August 3 to 16
Track consolidation
August 17 to 21
Traffic will be interrupted between Les Portes de Saint-Cyr and Saint-Cyr after 10 p.m.
Track consolidation
July 25 to August 16
During rush hour:
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July 25 to August 16
During rush hour:
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From July 11 to July 15
No trains are running between Épinay-Villetaneuse and Ermont-Eaubonne in either direction.
Regeneration of the Gavinot rail bridge
July 25 to August 16
No trains run between Gare du Nord and Mitry-Claye in either direction.
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July 13 to August 9
No trains run between La Ferté-Milon and Meaux in both directions.
Traffic is completely interrupted on line P in the evening
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Renewal of 7.5 km of nearly 90-year-old rails, for better reliability of the line.
From July 13 to August 23
No trains are running between Coulommiers and Tournan in both directions.
Traffic is completely interrupted on line P in the evening
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Renewal of the tracks for greater reliability
August 3 to 13
The C1 cable is completely interrupted.
A replacement bus was set up.
Annual maintenance work
During the summer of 2026, the Ile-de-France network will be modernised with nearly €4 billion in investment. Metro lines 4, 5, 8, 12 and 13, RER A, B, C, D, E, and trains H, K and P will undergo major works. The T1 and T2 trams will also be under construction until the end of August.
These interventions will lead to station closures, frequency reductions and traffic interruptions depending on the lines. Check real-time schedules and plan alternative routes for your trips.
Download the Île-de-France Mobilités app to find out about the works by line, receive alerts and find your alternative routes live.
