Public transport in Île-de-France: disruptions and works this weekend, July 25–26, 2026.

A new maintenance weekend on the RATP and SNCF networks in Île-de-France is planned for Saturday, July 25 to Sunday, July 26, 2026, to push ahead with the Grand Paris works, including upcoming metro line extensions or simply to keep the network in good repair. Will this stretch be busy, or will the weekend be quiet?

Be aware of potential traffic disruptions and train cancellations, which often require提前 planning to avoid surprises. To find alternative routes when you need to travel, visit Transilien SNCF, where you’ll find alternative options, including regular bus services that connect to the stations.

• To be read
• What to do this weekend in Paris and Île-de-France, July 24–26, 2026
• Metro and RER updates: closures, work, and demonstrations in Paris this Tuesday July 21, 2026
• This week's top picks in Paris and Île-de-France, July 20–26, 2026.

Here are the planned works for this weekend, July 25–26, 2026

Stay tuned, as the information may be updated based on the latest updates from RATP and SNCF.

Subway

Line 1

Aucune perturbation annoncée à ce jour.

Line 2

Aucune perturbation annoncée à ce jour.

Line 3

Aucune perturbation annoncée à ce jour.

Line 3bis

Aucune perturbation annoncée à ce jour.

Line 4

• Metro 4: Construction work — Traffic disrupted:
  Until July 24 inclusive, traffic is suspended between Montparnasse Bienvenue and Les Halles due to construction work.
• Metro 4: Works - Traffic Disrupted:
  During the works between Les Halles and Montparnasse–B, the parking time at the station may be extended toward Porte de Clignancourt. Thank you for your patience.

Line 5

Aucune perturbation annoncée à ce jour.

Line 6

Aucune perturbation annoncée à ce jour.

Line 7

Aucune perturbation annoncée à ce jour.

Line 7bis

Aucune perturbation annoncée à ce jour.

Line 8

Aucune perturbation annoncée à ce jour.

Line 9

Aucune perturbation annoncée à ce jour.

Line 10

Aucune perturbation annoncée à ce jour.

Line 11

Aucune perturbation annoncée à ce jour.

Line 12

• Metro 12: Modernisation works - Traffic disrupted:
  Until July 26 inclusive, service is suspended between Jules Joffrin and Concorde due to modernization works.

Line 13

• Metro 13: Renovation works - Service disrupted:
  Until Sunday, July 26, inclusive, the southern terminus of line 13 has been relocated to Malakoff – Rue Étienne Dolet due to renovation work.

Line 28

Aucune perturbation annoncée à ce jour.

RER

RER A

• Adjustments to the transport offering:
  During the school holidays from July 12 to August 29, 2026, service on your RER A line will be adjusted. Some trains will not run.
  To plan your trip and before you head to the station, check the timetable on the Île-de-France Mobilités app, the Transilien.com site, SNCF Connect, or your mobility app.
• RER A: Nation from June 29 to August 30:
  Period: throughout the day.
  Dates: from Monday, June 29 to Sunday, August 30.
  Nation station will not be served. It will remain accessible via the Metro lines.
  Reason: construction work.

RER B

• RER B: La Croix de Berny/Robinson and CDG Airport/Mitry-Claye.
  Period: from 10:45 p.m. to 2:00 a.m.
  Dates: Friday, July 24.
  Traffic is suspended between La Croix de Berny and Aéroport Charles de Gaulle 2/Mitry-Claye, and also between Robinson and Aéroport Charles de Gaulle 2/Mitry-Claye.
  A replacement bus service will operate from Gare du Nord.
  Between Denfert-Rochereau and Gare du Nord, please use Metro Line 4 or Bus 38.
• Grands Travaux d’été : du 25 juillet au 6 août : -> Major Summer Projects: July 25 to August 6:
  Period: all day Dates: from July 25 to August 6
  - Gare du Nord <> Bourg-la-Reine: Traffic disrupted
  - Gare du Nord <> CDG 2 Airport / Mitry-Claye: reduced transport service (plan for about 1 train every 7 minutes)
  Recommended routes:
  - For Châtelet-les-Halles: RER E to Saint-Lazare, then Metro 14 to Châtelet-les-Halles
  - For Paris Gare de Lyon: RER E to Saint-Lazare, then Metro 14 to Paris Gare de Lyon
  - For Bourg-la-Reine: Metro 4 to Porte d’Orléans (replacement bus departures)
  Durant toute la période
  - Expect high crowding at Gare du Nord
  - At Gare du Nord: trains arriving and departing on the Grandes Lignes tracks
  We invite you, as far as possible, to postpone your travel.
  For more information on these works, consult the RER B blog.
  Reason: Works on the railway network (replacement of 26 turnouts in the Gare du Nord area)
• Big Summer Projects: from July 25 to August 6:
  Period: all day Dates: July 25 to August 6
  - Gare du Nord <> Bourg-la-Reine: Service disruption
  - Gare du Nord <> CDG Airport 2 / Mitry-Claye: reduced service (expect roughly 1 train every 7 minutes) Recommended routes:
  - For Châtelet-les-Halles: RER E to Saint-Lazare, then Metro 14 to Châtelet-les-Halles
  - For Paris Gare de Lyon: RER E to Saint-Lazare, then Metro 14 to Paris Gare de Lyon
  - For Bourg-la-Reine: Metro 4 to Porte d'Orléans (replacement buses operate from there) Throughout the period
  - Expect very high crowding at Gare du Nord
  - At Gare du Nord: trains arriving and departing on the Grandes Lignes tracks We invite you, as far as possible, to postpone your travel.
  For more information on these works, consult the RER B blog.
  Reason: Rail work (replacement of 26 switches in the Gare du Nord area)
• RER B: CDG2/Mitry-Claye to Châtelet service interrupted this evening:
  Period: weekends from 10:45 p.m. to end of service
  Dates: Saturday July 25, Sunday 26, and Saturday July 1, Sunday 2, Saturday August 8, Sunday 9, Saturday August 15, Sunday 16. Traffic is suspended between Châtelet–Les Halles and Charles de Gaulle Airport/Mitry-Claye.
  A replacement bus service will be deployed from Gare du Nord.
  Reason: works on the rail network.

RER C

• RER C: between Paris Austerlitz and Saint-Martin-d'Étam. From 15 to 31 July:
  Period : evenings.
  Dates : from Wednesday, July 15 to Friday, July 31 (excluding Saturdays and Sundays).
  Train traffic will be suspended between Paris Austerlitz and Saint-Martin d'Étampes: - Last service from Saint-Martin d'Étampes at 20:56 - Last service from Paris Austerlitz at 23:00
  A replacement bus service will operate, with stops at intermediate stations.
  Reason : works on the railway network.
• Orly, a town not served by trains to Paris, 06/07 to 30/08:
  Period: all day.
  Dates: Monday, July 6 to Sunday, August 30.
  Orly Ville station is not served by trains to Paris.
  Alternate service: city bus
  Reason: station modernization works.
• RER C : between Paris Austerlitz and Juvisy from July 15 to July 31, :
  Period: in the evenings.
  Dates: from Wednesday 15 to Friday 31 July (excluding Saturdays and Sundays).
  Train service will be suspended between Paris Austerlitz and Juvisy: - Last departure from Juvisy at 21:59 - Last departure from Paris Austerlitz at 22:40
  A replacement bus service will operate, stopping at the intermediate stations.
  Reason: works on the railway network.
• Major Summer Projects 2026: July 15 to August 22:
  Period: All day.
  Dates: from July 15 to August 22.
  - Paris Austerlitz <> Pontoise: service disrupted- Paris Austerlitz <> Saint-Quentin en Yvelines: service disrupted- Paris Austerlitz <> Versailles Château: service disruptedDuring the period:
  - High passenger volumes expected at Paris Austerlitz and at Bibliothèque François Mitterrand- At Paris Austerlitz: trains to and from the RER C lines and the mainline tracks operate on a modified basis
  To learn how to reach stations not directly served, use the itinerary calculator that accounts for the works.
  For more information on these works, see the RER C blog.
  Reason: Works on the rail network (major interconnection works with line 15 and replacement of 4 km of track in the inner-tunnel)
• RER C: between Dourdan and Paris Austerlitz from July 6 to July 31:
  Period: Evenings. Dates: from Monday, July 6 to Friday, July 31 (excluding Saturday, Sunday, Monday July 13 and Tuesday July 14). Traffic is interrupted between Dourdan and Paris Austerlitz:
  - Last departure from Dourdan at 21:07
  - Last departure from Paris Austerlitz at 21:17 From 22:20, trains will terminate at Brétigny.
• RER C: between Paris Austerlitz and Pont de Rungis, July 6 to July 31:
  Period: evenings.
  Dates: from Monday, July 6 to Friday, July 31, (excluding Saturdays, Sundays and public holidays).
  Rail service is interrupted between Paris Austerlitz and Pont de Rungis:
  - Last departure from Paris Austerlitz at 22:27
  - Last departure from Pont de Rungis at 22:08
  Alternative: metro, trams or city buses.
  Reason: railway works.
• RER C: Saint-Martin-d'Étampes and Paris Austerlitz on July 19 and July 26:
  Period : evenings.
  Dates : Sundays July 19 and 26.
  Rail traffic is suspended between Saint-Martin d'Étampes and Paris Austerlitz. - Last departure from Saint-Martin d'Étampes at 21:41
  - Last departure from Paris Austerlitz at 23:00
  A replacement bus service will be provided, with stops at the intermediate stations.
  Reason : track works.
• RER C: between Dourdan and Paris Austerlitz on July 19 and 26.
  Period : evenings
  Dates : Sundays July 19 and 26. Traffic is interrupted between Dourdan and Paris Austerlitz: - Last departure from Dourdan at 20:55
  - Last departure from Paris Austerlitz at 22:35
  A replacement bus service is in operation, serving the intermediate stations.
  Reason : railway works.

RER D

• RER D: Paris-Lyon <> Melun/Corbeil-Essonnes service suspended July 13–31:
  Period: on weekdays from 11:15 p.m. to 2:00 a.m.
  Date(s): from Monday, July 13 to Friday, July 31.
  Traffic is suspended between Paris Gare de Lyon and Melun and between Paris Gare de Lyon and Corbeil-Essonnes.
  A replacement bus service is in place, serving the intermediate stations.
  Reason: railway works.
• RER D: Melun <> Corbeil-Essonnes service disrupted July 13–31.
  Period : on weekdays from 11:00 p.m.
  Dates : from Monday, July 13 to Friday, July 31, excluding public holidays.
  Traffic is suspended between Melun and Corbeil-Essonnes.
  A replacement bus service will be provided, stopping at intermediate stations.
  Reason : works on the rail network.
• RER D: Paris-Gare du Nord <> Creil service suspended from 29/06 to 31/07. :
  Period: on weekdays from 11:35 PM.
  Dates: from Monday, June 29 to Friday, July 31, excluding public holidays.
  Traffic is suspended between Paris Gare du Nord and Creil.
  A replacement bus service will run, serving the intermediate stations.
  Reason: railway network works.
• RER D: Service between Corbeil-Essonnes and Malesherbes suspended 29/06–31/07.
  Period: on weekdays from 11 p.m. to 5 a.m.
  Dates: from Monday, June 29 to Friday, July 31, excluding public holidays.
  Traffic is suspended between Corbeil-Essonnes and Malesherbes.
  A replacement bus service will operate, stopping at the intermediate stations.
  Reason: works on the rail network.
• Major Summer Works 2026: July 25 to August 16.
  Période : tout la journée, en semaine et le week-end.
  Dates : du samedi 25 juillet au dimanche 16 août.
  - Gare du Nord <> Paris Gare de Lyon : trafic interrompu
  - Creil <> Gare du Nord : offre de transport réduite (1 train toutes les 10mn)
  - Corbeil-Essonnes <> Paris Gare de Lyon : offre de transport réduite (1 train toutes les 15mn)
  - Melun <> Paris Gare de Lyon : offre de transport réduite, uniquement de 9h à 16h (1 train toutes les 30mn)Itinéraires recommandés depuis Gare du Nord :
  - Pour Châtelet-les-Halles : RER E jusqu'à Saint Lazare puis Métro 14 jusqu'à Châtelet-les-Halles
  - Pour Paris Gare de Lyon : RER E jusqu'à Saint Lazare puis Métro 14 jusqu'à Paris Gare de Lyon
  Itinéraires recommandés depuis Paris Gare de Lyon :
  - Pour Châtelet-les-Halles : Métro 14
  - Pour Gare du Nord : Métro 14 jusqu'à Saint Lazare puis RER E jusqu'à Magenta (Gare du Nord)
  Durant toute la période :
  - Forte Affluence à prévoir à Gare du Nord
  - A Gare du Nord : trains au départ des voies Grandes Lignes
  - A Paris Gare de Lyon : trains au départ des voies Grandes Lignes
  A noter :
  - Stade de France St Denis : gare non desservie en provenance et en direction de Paris
  Navettes ferroviaires du lundi au vendredi entre Goussainville et Stade de France St-Denis de 6h à 9h et de 16h à 20h30
  Nous vous invitons dans la mesure du possible à reporter vos déplacements.
  Pour plus d'informations sur ces travaux, consultez le blog du RER D.
  Motif : Travaux sur le réseau ferré (remplacement de 14 aiguillages à Gare de Lyon ainsi qu'1,5 km de voie).
• RER D: Service suspended between Villeneuve-Saint-Georges and Melun from 25/07 to 26/07:
  Period: from 11:10 p.m. to 5:20 a.m.
  Dates: from Saturday 25 to Sunday 26 July.
  Reason: railway network works.
• RER D: Villeneuve-Saint-Georges <> Melun service suspended from 25 July to 26 July:
  Period: 11:10 p.m. to 5:20 a.m.
  Dates: from Saturday, July 25 to Sunday, July 26.
  Reason: maintenance work on the railway network.
• Major Summer Projects 2026: July 25 to August 16. :
  Period : all day, on weekdays and weekends.
  Dates : from Saturday July 25 to Sunday August 16.
  - Gare du Nord <> Paris Gare de Lyon: service disrupted
  - Creil <> Gare du Nord: reduced service (1 train every 10 minutes)
  - Corbeil-Essonnes <> Paris Gare de Lyon: reduced service (1 train every 15 minutes)
  - Melun <> Paris Gare de Lyon: reduced service, only from 9:00 to 16:00 (1 train every 30 minutes)Itinéraires recommandés depuis Gare du Nord :
  - Pour Châtelet-les-Halles : RER E to Saint-Lazare then Metro 14 to Châtelet-les-Halles
  - For Paris Gare de Lyon : RER E to Saint-Lazare then Metro 14 to Paris Gare de Lyon
  Itinéraires recommandés depuis Paris Gare de Lyon :
  - Pour Châtelet-les-Halles : Metro 14
  - For Gare du Nord : Metro 14 to Saint-Lazare then RER E to Magenta (Gare du Nord)
  Durant toute la période :
  - Forte affluence à prévoir à Gare du Nord
  - A Gare du Nord : trains au départ des voies Grandes Lignes
  - A Paris Gare de Lyon : trains au départ des voies Grandes Lignes
  A noter :
  - Stade de France St Denis : gare non desservie en provenance et en direction de Paris
  Navettes ferroviaires du lundi au vendredi entre Goussainville et Stade de France St-Denis de 6h à 9h et de 16h à 20h30
  Nous vous invitons dans la mesure du possible à reporter vos déplacements.
  Pour plus d'informations sur ces travaux, consultez le blog du RER D.
  Motif : Travaux sur le réseau ferré (remplacement de 14 aiguillages à Gare de Lyon ainsi qu'1,5 km de voie).
• Major Summer Projects 2026: July 25 to August 16.
  Period: all day, on weekdays and weekends.
  Dates: Saturday, July 25 to Sunday, August 16.
  - Gare du Nord <> Paris Gare de Lyon: service suspended
  - Creil <> Gare du Nord: reduced service (1 train every 10 minutes)
  - Corbeil-Essonnes <> Paris Gare de Lyon: reduced service (1 train every 15 minutes)
  - Melun <> Paris Gare de Lyon: reduced service, only from 9:00 to 16:00 (1 train every 30 minutes) Recommended routes from Gare du Nord:
  - To Châtelet-les-Halles: RER E to Saint-Lazare, then Metro 14 to Châtelet-les-Halles
  - To Paris Gare de Lyon: RER E to Saint-Lazare, then Metro 14 to Paris Gare de Lyon
  Recommended routes from Paris Gare de Lyon:
  - To Châtelet-les-Halles: Metro 14
  - To Gare du Nord: Metro 14 to Saint-Lazare, then RER E to Magenta (Gare du Nord)
  Throughout the period:
  - Expect heavy crowds at Gare du Nord
  - At Gare du Nord: trains departing from the Grandes Lignes tracks
  - At Paris Gare de Lyon: trains departing from the Grandes Lignes tracks
  Note:
  - Stade de France St Denis: station not served in or out of Paris
  Rail shuttles Monday to Friday between Goussainville and Stade de France St-Denis from 6:00 to 9:00 and from 16:00 to 20:30
  We invite you to reschedule your travel whenever possible.
  For more information on these works, see the RER D blog.
  Reason: Rail works (replacement of 14 track switches at Gare de Lyon as well as 1.5 km of track).
• RER D : Juvisy <-> Corbeil-Essonnes July 26–27 from 11:20 p.m. to 4:30 a.m.
  Period: from 11:20 p.m. to 4:30 a.m.
  Date: Sunday, July 26.
  Traffic is suspended between Juvisy and Corbeil-Essonnes.
  A replacement bus service is in place, with stops at the intermediate stations.
  Reason: railway works.

RER E

• RER E: adjusted transport service from July 11 to August 23:
  RER E: During the school holidays from Saturday, July 11 to Sunday, August 23, service on your RER E will be adjusted. Some trains will not run.
  To plan your journey before heading to the station, check the timetable on the Ile-de-France Mobilités app, the Transilien.com site, SNCF Connect, or your mobility app.
• RER E - Major Summer Works 2026: from July 20 to July 24:
  Period: all day
  Dates: July 20 to July 24
  - Nanterre-la-Folie <> Tournan: reduced service from 5:20 to 8:45 toward Paris and from 16:00 to 19:30 toward Tournan (one train every 30 minutes)
  - Nanterre-la-Folie <> Villiers-sur-Marne: reduced service from 5:00 to 9:30 and from 16:00 to 22:30 (one train every 30 minutes)
  Note:
  - Rosny-Bois-Perrier not served in either direction from August 1 to August 7: replacement bus
  For more information on these works, see the RER E blog.
  Reason: Works on the rail network (construction of the new platforms on line 15 as part of the Grand Paris Express).
• RER E: Nanterre - Villiers / Tournan from July 13 to August 7:
  Period: weekends from 10:10 p.m.
  Dates: Monday, July 13 to Friday, August 7
  Traffic is suspended between Nanterre-la-Folie and Villiers-sur-Marne and between Nanterre-la-Folie and Tournan.
  The last NATU train from Tournan to Nanterre-la-Folie is at 9:53 p.m.
  The last NOVY train from Villiers-sur-Marne to Nanterre-la-Folie is at 10:04 p.m.
  The last TONU train from Nanterre-la-Folie to Tournan is at 9:56 p.m.
  The last VONY train from Nanterre-la-Folie to Villiers-sur-Marne is at 9:11 p.m.
  A replacement bus service is in place, serving the intermediate stations.
  Reason: railway works (multiple track maintenance works between Paris and Nogent - Le Perreux).
• RER E: Nanterre - Villiers / Tournan, from 11 July to 9 August:
  Period : weekdays and weekends
  Dates : from Saturday, July 11 to Sunday, August 9
  The rail timetable between Nanterre-la-Folie and Villiers-sur-Marne is being eased as works take place on this section.
  One train in two serves the Nanterre-la-Folie–Villiers-sur-Marne route all day;
  One train in two serves the Nanterre-la-Folie–Tournan route from 16:00 to 20:00.
  Rosny-Bois-Perrier station is not served from August 1 to 7. Buses replace trains between these stations.
  Reason : works on the rail network (construction of the new platforms on Line 15 as part of the Grand Paris Express).
• RER E: Nanterre–Chelles, June 15–October 2 and October 15–December 11:
  Period: on weekdays starting at 22:45
  Dates: from Monday, June 15 to Friday, October 2 and from Thursday, October 15 to Friday, December 11.
  Traffic is suspended between Nanterre-la-Folie and Chelles Gournay.
  The last NOCY train from Chelles Gournay to Nanterre-la-Folie is at 22:33.
  The last CONY train from Nanterre-la-Folie to Chelles Gournay is at 22:49, except from June 15 to 16, when the last CONY train from Nanterre-la-Folie to Chelles Gournay is at 22:38.
  A replacement bus service is in place, with stops at the intermediate stations.
  Reason: railway works
• RER E: Nanterre–Villiers / Tournan 11/07 – 2/08:
  Period : the weekend starting at 9:40 p.m.
  Dates : from Saturday, July 11 to Sunday, August 2
  Traffic is suspended between Nanterre-la-Folie and Villiers-sur-Marne and between Nanterre-la-Folie and Tournan.
  From July 11 to August 2 (except July 18 and 19):
  The last NATU train from Tournan to Nanterre-la-Folie is at 9:23 p.m.
  The last NOVY train from Villiers-sur-Marne to Nanterre-la-Folie is at 9:34 p.m.
  The last TONU train from Nanterre-la-Folie to Tournan is at 9:34 p.m.
  The last VONY train from Nanterre-la-Folie to Villiers-sur-Marne is at 9:11 p.m.
  July 18 and 19 :
  The last NATU train from Tournan to Paris Est is at 9:23 p.m.
  The last NOVY train from Villiers-sur-Marne to Nanterre-la-Folie is at 9:34 p.m.
  The last TONU train from Paris Est to Tournan is at 9:47 p.m.
  The last VONY train from Paris Est to Villiers-sur-Marne is at 9:24 p.m.
  A replacement bus service is being provided, serving intermediate stations.
  Reason : railway works (track maintenance).
• RER E: Nanterre to Chelles July 18 – September 6:
  Période : from 10:45 PM
  Dates : Saturdays July 18, 25, August 8, 15, 22, 29, September 5 and Sundays July 19, 26, August 30, September 6
  Traffic is interrupted between Nanterre-la-Folie and Chelles Gournay.
  The last NOCY train from Chelles Gournay to Nanterre-la-Folie leaves at 10:33 PM.
  The last CONY train from Nanterre-la-Folie to Chelles Gournay leaves at 10:49 PM.
  Except on July 18 and 19:
  The last NOCY train from Chelles Gournay to Paris Est departs at 10:33 PM.
  The last CONY train from Paris Est to Chelles Gournay departs at 11:03 PM.
  A replacement bus service is in operation, serving the intermediate stations.
  Motif : works on the rail network (Grand Paris Express).
• RER E: Chelles-Gournay - Nanterre-La Folie on August 23:
  Period: from 9:45 p.m.
  Dates: Sunday, August 23
  Rail traffic is suspended between Nanterre-la-Folie and Chelles Gournay.
  The last NOCY train from Chelles Gournay to Nanterre-la-Folie is at 10:03 p.m.
  The last CONY train from Nanterre-la-Folie to Chelles Gournay is at 9:08 p.m.
  A replacement bus service will be put in place, stopping at intermediate stations.
  Reason: works on the railway network (Grand Paris Express).
• RER E: the entire line on July 26:
  Period: all day
  Dates: Sunday, July 26
  Service is altered between Nanterre-la-Folie and Chelles Gournay / Tournan / Villiers-sur-Marne.
  No trains run in either direction between Nanterre-la-Folie and Haussmann Saint-Lazare on the Chelles-Gournay and Tournan lines, and between Nanterre-la-Folie and Magenta on the Villiers-sur-Marne line.
  Reason: track works (testing the new train operating system between Haussmann Saint-Lazare and Nanterre-la-Folie).

Transilien

Line H

• Line H: Epinay–Ermont disruption from 11:35 p.m. on 01/06 to 31/07:
  Period: on weekdays from 11:35 p.m.
  Dates: from June 1 to July 31
  Service is interrupted between Épinay-Villetaneuse and Ermont-Eaubonne Monday to Friday starting at 11:35 p.m. Last trains: Paris <> Pontoise: 22:41 Pontoise <> Paris: 21:36 Paris <> Persan via Valmondois: 22:56 Persan via Valmondois <> Paris: 22:05
  Reason: railway works.

Line J

• Line J: adapting the transport offering:
  Ligne J : adaptations to the transport service
  During the school holidays from 12 July 2026 to 29 August 2026, Line J will see changes to the service. Some trains will not run. In addition, following the operational incident that left several trains out of service, repair work continues in our maintenance workshops. Those trains are also withdrawn from circulation.
  To plan your journey and before you head to the station, check your schedules on the Île-de-France Mobilités app, the Transilien.com site, SNCF Connect, or your mobility app.
• Ligne J : Conflans Sainte-Honorine <> Mantes-la-Jolie from July 20 to August 14:
  Period: on weekdays, from 8:40 p.m.
  Dates: from Monday, July 20 to Friday, August 14.
  Traffic is suspended between Conflans-Sainte-Honorine and Mantes-la-Jolie.
  A replacement bus service will operate, serving the intermediate stations, between Conflans-Sainte-Honorine and Mantes-la-Jolie.
  The last trains to run normally are:
  - Paris Saint-Lazare to Mantes-la-Jolie via Conflans-Sainte-Honorine: 20:42
  - Mantes-la-Jolie to Paris Saint-Lazare via Conflans-Sainte-Honorine: 20:50
  Reason: works.
• Line J: Paris St-Lazare <> Mantes via Poissy from 20 July to 14 August:
  Period: on weekdays, starting at 9:40 PM.
  Dates: from Monday, July 20 to Friday, August 14.
  Traffic is suspended between Paris Saint-Lazare <> Mantes la Jolie via Poissy. A replacement bus service is in place, serving the intermediate stations between:
  - Sartrouville <> Les Mureaux.
  - Sartrouville <> Mantes la Jolie.Attention: on Monday, July 20 the buses will depart from:
  - Houilles Carrières sur Seine <> Les Mureaux.
  - Houilles Carrières sur Seine <> Mantes la Jolie.
  Increased frequency on regular lines:
  - Bus 7820 between La Défense <> Mantes la Jolie.
  The last trains to operate normally:
  - Paris Saint-Lazare to Mantes la Jolie via Poissy: 21:47
  - Mantes la Jolie to Paris Saint-Lazare via Poissy: 21:43
  Reason: works.
• Line J: Paris St-Lazare <> Mantes-la-Jolie on July 25–26 and August 1–2:
  Period: Throughout the day. Dates: on the weekends of July 25-26 and August 1-2. Traffic is suspended between Paris Saint-Lazare and Mantes-la-Jolie via Poissy.
  A replacement bus service is provided between Les Mureaux and Mantes-la-Jolie, with stops at intermediate stations. Reinforcement of regular lines:
  - 6543 between Poissy and Les Mureaux.
  - 7820 between La Défense and Mantes-la-Jolie.

• Major Summer Projects 2026: July 25 to August 16:
  Period: all day
  Dates: from July 25 to August 16 - Gare du Nord <> Mitry-Claye: service disrupted. Recommended routes:
  - To reach the stations between Gare du Nord and Mitry-Claye: RER B from Gare du Nord Grandes Lignes
  Note:
  - Expect heavy crowds at stations and on trains
  - Timetables may change
  We encourage you, where possible, to limit or postpone your travel.
  Reason: works on the railway network (replacement of 26 switches in the Gare du Nord area)

Line L

• Line L: adjusting the transport services:
  Line L : transport service adjustments
  During the school holidays from 12/07/2026 to 29/08/2026, service on your Line L will be adjusted. Some trains will not operate. 
  To plan your trip and before heading to the station, check your timetables on the Ile-de-France Mobilités app, the Transilien.com site, SNCF Connect or your mobility app.
• Line L: Paris Saint-Lazare <> La Défense from July 15 to August 7:
  Period: on weekdays, starting at 10:10 p.m.
  Dates: from Wednesday, July 15 to Friday, August 7, excluding July 31.
  Traffic is interrupted between Paris Saint-Lazare and La Défense.
  To reach or leave Pont Cardinet and Bécon-les-Bruyères stations, we advise taking Line L, the Paris Saint-Lazare – Nanterre Université / Maisons-Laffitte corridor.
  Regular service augmentations:
  - Bus 178 and 275 between Bécon-les-Bruyères and La Défense.
  The last trains operating as normal:
  - Paris Saint-Lazare to Versailles Rive Droite: 10:26 p.m.
  - Versailles Rive Droite to Paris Saint-Lazare: 10:12 p.m.
  - Paris Saint-Lazare to Saint-Nom-la-Bretèche: 10:41 p.m.
  - Saint-Nom-la-Bretèche to Paris Saint-Lazare: 10:18 p.m.
  Reason: works.
• Line L: Saint-Cloud to Versailles Rive Droite on 25/07:
  Period: from 9:25 p.m.
  Date: Saturday, July 25.
  Traffic is interrupted between Saint-Cloud and Versailles Rive Droite.
  A replacement bus service is in place, serving the intermediate stations, between:
  - Saint-Cloud <> Versailles Rive Droite.
  The last trains to run normally are:
  - Paris Saint-Lazare to Versailles Rive Droite: 21:26
  - Versailles Rive Droite to Paris Saint-Lazare: 22:12
  Reason: works.
• Line L: Paris <> Versailles R.D./St-Nom la Bretèche on 25/07:
  Period: all day.
  Date: Saturday, July 25.
  Train frequency and timetables are altered between:
  - Paris Saint-Lazare <> Versailles Rive Droite.
  - Paris Saint-Lazare <> Saint-Nom la Bretèche.
  Trains will run to Sunday schedules.
  Reason: maintenance work.
• Line L: Saint-Cloud to Versailles Rive Droite on July 25:
  Period : from 9:25 p.m.
  Date : on Saturday, July 25.
  Traffic is suspended between Saint-Cloud and Versailles Rive Droite.
  A replacement bus service will operate, serving intermediate stations, between:
  - Saint-Cloud <> Versailles Rive Droite.
  The last trains to run normally are:
  - Paris Saint-Lazare to Versailles Rive Droite: 9:26 p.m.
  - Versailles Rive Droite to Paris Saint-Lazare: 10:12 p.m.
  Reason : works.
• Line L: Paris St-Lazare <> Nanterre Université from 25 to 26 July:
  Period: all day.
  Dates: Saturday the 25th and Sunday the 26th of July.
  Fewer trains between Paris Saint-Lazare <> Nanterre Université.
  The Paris Saint-Lazare <> Nanterre Université service is cancelled.
  We recommend using the trains that run between Paris Saint-Lazare <> Maisons-Laffitte.
  Additional information:
  - Slowdowns are expected in the direction Paris Saint-Lazare > Maisons-Laffitte.
  Reason: works.

Line N

• Line N: Paris Montparnasse -> Mantes-la-Jolie 01–31/07:
  Period: on weekdays, evenings from 10 p.m.
  Dates: from Wednesday, July 1 to Friday, July 31.
  Traffic is suspended from Paris Montparnasse to Mantes-la-Jolie. Last departure from Paris Montparnasse to Mantes-la-Jolie: MOPI at 8:50 p.m. The 9:50 p.m. MOPI from Paris Montparnasse
  is the terminus at Plaisir-Grignon. A replacement bus service is in place, with stops at the intermediate stations.
  Reason: works on the rail network.
• Line N: Épône - Mézières <-> Mantes-la-Jolie 25-26/07:
  Period: on weekends, during the day.
  Dates: from Saturday, July 25 at 11:30 a.m. to Sunday, July 26 at 4:30 p.m.
  Traffic is interrupted between Épône - Mézières and Mantes-la-Jolie. On Saturday, July 25: The MOPI at 10:50 a.m. will terminate at Epône-Mézière. The POMI at 12:54 p.m. will originate from Epône-Mézière. On Sunday, July 26: The MOPI at 3:50 p.m. will terminate at Mantes-la-Jolie. The POMI at 5:54 p.m. will originate from Mantes-la-Jolie.
  A replacement bus service is in place, serving the intermediate stations.
  Reason: works on the rail network.

• Line P: Paris Est – Château-Thierry from 29 June to 28 August:
  Period: Weeknights starting at 10:00 p.m.
  Dates: Monday, June 29 to Friday, August 28
  Traffic is suspended between Paris-Est and Château-Thierry.
  The last PIMO train from Château-Thierry to Paris-Est is at 9:04 p.m.
  The last ZIMO train from Paris-Est to Château-Thierry is at 10:19 p.m.
  A replacement bus service will operate, serving the intermediate stations.
  Reason: railway works (maintenance inspection).
• Line P: Paris-Est – Meaux 18 July – 6 September:
  Period: weekends from 10:50 p.m.
  Dates: from Saturday, July 18 to Sunday, July 26, and Saturdays August 8, 15, 22, Sunday August 23, and from Saturday August 29 to Sunday September 6.
  Traffic is suspended between Paris Est and Meaux.
  The last PICI train from Meaux to Paris Est is at 10:20 p.m.
  The last MICI train from Paris Est to Meaux is at 11:01 p.m.
  On Sunday, August 23:
  The last PICI train from Meaux to Paris Est is at 10:20 p.m.
  The last MICI train from Paris Est to Meaux is at 9:31 p.m.
  A replacement bus service is set up, serving the intermediate stations:
  - From Paris Est to Meaux (all stops, omnibus);
  - From Paris Est to Meaux non-stop, then Esbly terminus;
  - From Meaux to Paris Est (omnibus);
  - From Chelles Gournay to Meaux (omnibus);
  - Between Meaux and Val d'Europe RER A (non-stop).
  Reason: railway works.
• Major Summer Projects 2026: July 13 to August 23:
  Period: all day on weekdays
  Dates: from July 13 to August 23
  - Tournan <> Coulommiers: traffic suspended
  Recommended routes:
  - To reach the intermediate stations: replacement bus service
  - For your connections: PITA and TITU trains run between Paris Est and Tournan
  Note:
  The stops at Faremoutiers-Pommeuse and Mortcerf are being revised:
  - All directions stop at Faremoutiers - Rue des Ormes (in front of bus stop 2419/2423 Place)
  - All directions stop at Pommeuse - Avenue du général Huerne (bus stop 2419/2451 Église)
  - All directions stop at Mortcerf - Avenue du général Leclerc (in front of bus stop 2453/2423 Place).
  For more information on these works, see the P line blog.
  Reason: works on the railway network (complete renewal of 13.4 kilometers of track between Mortcerf and Coulommiers to improve onboard comfort and train regularity).
• Line P: Paris-Est to Meaux, June 22–August 28:
  Period: Weeknights from 10:20 p.m.
  Dates: Monday, June 22 to Friday, August 28
  Traffic is interrupted between Paris Est and Meaux.
  The last PICI train from Meaux to Paris Est is at 9:50 p.m.
  The last MICI train from Paris Est to Meaux is at 11:01 p.m.
  A replacement bus service will operate, serving the following intermediate stations:
  - From Paris Est to Meaux (all-stops and non-stop) ;
  - From Paris Est to Meaux non-stop, then Esbly as terminus ;
  - From Meaux to Paris Est (all-stops) ;
  - From Chelles Gournay to Meaux (all-stops) ;
  - From Paris Est to Lagny-Thorigny (all-stops) ;
  - Between Meaux and Val d'Europe RER A (non-stop).
  Reason: works on the rail network (Grand Paris Express at Chelles Gournay, maintenance of electrical installations and mechanical signaling, refurbishment of the canopy at Meaux).
• Line P: Paris-Est to Provins, 11/05–4/09:
  Period: on weekdays from 9:45 p.m.
  Dates: from Monday, May 11 to Friday, September 4
  Train service is suspended between Paris Est and Provins.
  The last PIBU train from Provins to Paris Est departs at 8:46 p.m.
  The last XIBU train from Paris Est to Provins departs at 9:47 p.m.
  A replacement bus service is in operation, stopping at the intermediate stations.
  Reason: railway works (track renewal).
• Major Summer Projects 2026: July 13–August 9:
  Period: all day
  Dates: July 13 to August 9
  - Meaux <> La Ferté-Milon: Service suspended
  recommended routes:
  - To reach the intermediate stations: use the replacement bus service
  For more information on this work, consult the P Line blog.
  Reason: railway works (replacement of 8.4 km of rails between Crouy-sur-Ourcq and La Ferté-Milon to ensure a high level of safety and improve reliability).
• Line P: Paris Est to Provins, 11/07 – 2/08:
  Period : weekends from 9:45 p.m.
  Dates : Saturday, July 11 to Sunday, August 2
  Traffic is suspended between Paris Est and Provins.
  The last PIBU train from Provins to Paris Est departs at 6:46 p.m.
  The last XIBU train from Paris Est to Provins departs at 7:47 p.m.
  A replacement bus service is in place, serving the intermediate stations.
  Reason : railway works (rail renewal).
• Line P: Paris-Est – Château-Thierry, July 18–19 and July 25–26:
  Period: the weekend starting at 23:00
  Dates: from Saturday 18 to Sunday 26 July
  Traffic is suspended between Paris Est and Château-Thierry.
  The last PIMO train from Château-Thierry to Paris Est departs at 22:04.
  The last ZIMO train from Paris Est to Château-Thierry departs at 22:49.
  A replacement bus service is in place, serving the intermediate stations.
  Reason: rail works.

• Line R: Paris–Lyon to Montargis and Paris–Lyon to Montereau, 13–21/08:
  Period: Weeknights starting at 11:15 p.m.
  Dates: from Monday, August 13 to Friday, August 21, excluding public holidays.
  Traffic is suspended between Paris Gare de Lyon and Montargis, and between Paris Gare de Lyon and Montereau.
  A replacement bus service will operate, with stops at intermediate stations.
  Reason: railway works.
• Line R: Changes to the train timetables from July 1 to July 31.
  Period : Monday through Sunday.
  Dates : July 1–31.
  Some trains on line R may have earlier departure or passing times at certain stations, and your travel times could be affected.
  For full details, visit the X thread for line R or the blog for your line. Motive: maintenance work and network construction.
• R Line: traffic slowed over the weekend of July 25–26.
  Period: from 11:10 p.m.
  Dates: Saturday, July 25 to Sunday, July 26.
  Traffic is slowed across the entire line. Trains will be diverted via Corbeil, expect longer travel times.
  Reason: maintenance works on the rail network.

Line U

• Line U: La Défense <-> La Verrière, July 25:
  Period: late night.
  Date: Saturday, July 25.
  Traffic will be interrupted between La Défense and La Verrière. Last train from La Défense: VERI at 22:15.
  Last train from La Verrière: DEFI at 21:20.
  A replacement bus service will operate, stopping at the intermediate stations.
  Reason: works on the rail network.

Aucune perturbation annoncée à ce jour.

Tramway

T1

• Tram T1: Safety Measures - Service Disruption:
  Traffic disrupted between Asnières - Quatre Routes and Saint-Denis station due to damage caused by a third party. Service restoration is expected by the end of summer 2026. Replacement buses will operate between Asnières–Gennevilliers–Les Courtilles and Villeneuve-la-Garenne Town Hall.
• Tramway T1: Modernisation works - Traffic interrupted:
  Until August 31, services are suspended between Noisy-le-Sec station and Bobigny–Pablo Picasso due to modernization works.
  Replacement bus.

T2

• Tramway T2: Works - Traffic disrupted:
  Until August 23 inclusive, traffic between Charlebourg and Puteaux is interrupted due to roadworks.
  Replacement bus service.

T3a

Aucune perturbation annoncée à ce jour.

T3b

Aucune perturbation annoncée à ce jour.

Q4

Aucune perturbation annoncée à ce jour.

T5

Aucune perturbation annoncée à ce jour.

T6

Aucune perturbation annoncée à ce jour.

T7

• Tramway T7 : Information - Other :
  Due to ongoing works, the elevator at Orly Airport station is out of service.
  We advise people with reduced mobility or those who have difficulty getting around:
  • to take Metro Line 14 to Orly Airport station, which is fully accessible (special fare)
  • to get off at the T7 tramway Cœur d’Orly stop and use the airport shuttle (ADP).

T8

Aucune perturbation annoncée à ce jour.

T9

Aucune perturbation annoncée à ce jour.

T10

Aucune perturbation annoncée à ce jour.

What advice do you have for users during these disruptions?

Passengers are advised toplan ahead, checking the timetable of replacement buses and allowing for extra travel time. They can consult real-time information via official applications such as SNCF Connect, Île-de-France Mobilités, or by following the Twitter accounts of the lines concerned. It is also advisable to ask station agents for precise, up-to-date information.

In short, get ahead of the game so you don't waste time and avoid disappointment!

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