Transport in Île-de-France: Disruptions and Construction Work This Weekend, December 27-28, 2025

The RATP and SNCF networks will experience new disruptions this weekend, December 27 and 28, 2025. Several RER, Transilien, and metro lines will be affected by maintenance work and service suspensions. Here’s everything you need to know to plan your travels accordingly.

A new weekend of maintenance is scheduled for the RATP and SNCF networks across Île-de-France from Saturday, December 27 to Sunday, December 28, 2025. This effort aims to make progress on the Grand Paris projects, including upgrades and extensions of metro lines, as well as ensuring the regular operation of the network. Will this weekend see a flurry of work or will it stay relatively 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.

Here’s a look at the scheduled work for the weekend of December 27-28, 2025

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

Subway

Line 1

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Line 2

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Line 3

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Line 3bis

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Line 4

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Line 5

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Line 6

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Line 7

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Line 7bis

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Line 8

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Line 9

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Line 10

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Line 11

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Line 12

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Line 13

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Line 14

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RER

RER A

Line A: Adjustment to transportation service offerings:
Line A: Adjustments to the Service During the Winter Break From December 25th to January 1st, our transportation services on this line will be modified; some trains will not operate. To plan your trip and before heading to the station, check the latest schedules on the Île-de-France Mobilités app, Transilien.com, SNCF Connect, or your preferred mobility app.

RER B

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RER C

RER C: Issy station not serviced:
Until January 11, 2026: The Issy station will only be served heading toward Versailles-Château-Rive-Gauche / St Quentin en Yvelines and Paris.
From January 12 to March 8, 2026: Issy station will be out of service in both directions.
RER C: Adjustments to transport services - Winter holidays:
During the school holidays from December 22 to January 2, transport services on your line will be adjusted: some trains will not be running. To plan your journey and before going to the station, check your timetables on the Ile-de-France Mobilités app, the Transilien.com website, SNCF Connect or your mobility app.
RERC: Paris Austerlitz <-> Dourdan / Saint-Martin d'Étampes. December 7, 14, 21, 25, 28:
Schedule: starting from 11:45 PM.
Dates: Sundays, December 7, 14, 21, 28, and Thursday, December 25. Train services are suspended between Dourdan and Paris Austerlitz:
Last train from Dourdan to Paris Austerlitz departs at 9:07 PM
Last train from Paris Austerlitz to Dourdan departs at 10:15 PM Services are also halted between Saint-Martin d’Etampes and Paris Austerlitz:
Last train from Saint-Martin d'Étampes to Paris Austerlitz departs at 9:41 PM
Last train from Paris Austerlitz to Saint-Martin d’Étampes departs at 10:45 PM A replacement bus service is in operation, serving intermediate stations. Reason: railway maintenance works.

RER D

Line D: Traffic slowed from December 22 to January 3.
Line D: Adjustments to Service
During the winter school holidays from December 22 to January 3, transport services on your line will be modified.
Some trains will not operate during this period.
To plan your journey, check current schedules before heading to the station via the Ile-de-France Mobilités app, Transilien.com, SNCF Connect, or your preferred mobility app.
RER D: Paris Nord <-> Creil from December 8th to January 30th, weeknights starting at 11:35 PM:
Period: Weeknights starting at 11:35 PM.
Dates: From Monday, December 8th to Friday, January 30th, excluding public holidays.
Train services between Paris Gare du Nord and Creil will be suspended.
A replacement bus service will be provided, stopping at intermediate stations.
Reason: Railway network maintenance work.
RER D: Paris Lyon <-> Corbeil / Melun during weekdays from December 15th to January 2nd:
Period: weekdays from 11:15 PM to 4:00 AM.
Dates: from Monday, December 15th to Saturday, January 2nd, excluding public holidays.
Travel will be disrupted between Paris Gare de Lyon and Corbeil-Essonnes, as well as between Paris Gare de Lyon and Melun.
A replacement bus service will be available, serving key intermediate stations.
Reason: railway infrastructure maintenance work.
RER D: Paris Nord to Paris Lyon service disrupted from December 1 to 30
Schedule: weekdays from 11:30 PM to 2:30 AM.
Dates: from Monday, December 1st to Tuesday, December 30th, excluding public holidays.
Train services are suspended between Paris Gare du Nord and Paris Gare de Lyon.
Reason: railway network maintenance work.
RER D: No service between Paris Lyon and Villeneuve Saint-Georges at 10:30 PM from December 15 to 31:
Period: On weekdays starting from 10:30 PM.
Dates: From Monday, December 15th to Wednesday, December 31st, excluding public holidays.
Services to Créteil Pompadour, Villeneuve Triage, Le Vert de Maisons, and Maisons-Alfort stations will be temporarily unavailable.
A replacement bus service will operate, stopping at intermediate stations.

RER E

RER E: Schedule adjustments to transport services from December 22 to January 2
During the winter break from December 22nd to January 2nd, transportation services will be adjusted on your line; some trains will not run. To plan your journey and before heading to the station, please check your schedules on the Île-de-France Mobilités app, Transilien.com website, SNCF Connect, or your mobility app.

Transilien

Line H

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Line J

Line J: Transportation service adjustments underway:
J Line: Changes to Service During Holiday Period During the winter break from December 25, 2025, to January 1, 2026, service on your line will be modified: some trains will not run. To plan your journey and before heading to the station, check the latest schedules on the Île-de-France Mobilités app, Transilien.com, SNCF Connect, or your preferred mobility app.
Line J: Issou Porcheville → Mantes via Conflans from December 22 to December 30:
Period: Weeknights starting at 8:40 PM.
Dates: from Monday, December 22 to Tuesday, December 30, excluding December 25 and 31.
The last two trains departing from Paris Saint-Lazare heading to Mantes-la-Jolie via Conflans Sainte-Honorine will now terminate at Issou Porcheville station.
A replacement bus service is arranged between Issou Porcheville and Mantes-la-Jolie, with stops at intermediate stations.
The last trains operating normally are:
- From Paris Saint-Lazare to Mantes-la-Jolie via Conflans Sainte-Honorine: 9:16 PM
On Monday, December 29, and Tuesday, December 30:
- From Paris Saint-Lazare to Mantes-la-Jolie via Conflans Sainte-Honorine: 8:42 PM
Reason: maintenance work.
Line J: Paris Saint-Lazare to Mantes-la-Jolie from December 15 to 30 due to schedule adjustments
Period: from 10:40 PM
Dates: from Monday, December 15 to Tuesday, December 30, excluding December 25, Saturdays, and Sundays.
The last two trains departing from Paris Saint-Lazare heading to Mantes la Jolie via Poissy will be canceled.
The final train from Mantes la Jolie via Poissy back to Paris Saint-Lazare will also be canceled.
A replacement bus service will operate between Sartrouville and Les Mureaux, and between Sartrouville and Mantes la Jolie, stopping at all intermediate stations.
The last trains running normally are:
- Paris Saint-Lazare to Mantes la Jolie via Poissy: 11:17 PM
- Mantes la Jolie to Paris Saint-Lazare via Poissy: 10:43 PM
Reason: maintenance work.

Line K

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Line L

Line L: Transportation Service Adjustment:
Line L: adjusted transport services. During the school holidays from December 25, 2025, to January 1, 2026, service on your line will be modified: some trains will not run. To plan your journey and before heading to the station, check the latest schedules on the Ile-de-France Mobilités app, Transilien.com, SNCF Connect, or your preferred mobility app.

Line N

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Line P

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Line R

R Line: Moret-Veneux Les-Sabots to Montargis 12/22 - 01/02:
Period: Mondays, Tuesdays, Wednesdays, and Fridays from 11:45 PM to 4:00 AM.
Dates: From Monday, December 22nd to Friday, January 2nd.
Train services are suspended between Moret Veneux les S. and Montargis.
A replacement bus service will be running, serving the intermediate stations.
Reason: Railway maintenance work.
Line R: Some trains may depart earlier until December 31st.
Period: All day long.
Dates: Until Wednesday, December 31.
Departure and station passing times for some trains on Line R may be earlier than scheduled.
Stay updated via the Twitter (X) feed or your line’s blog.
Reason: Maintenance work and network construction.

Line U

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Line V

Line V: Adjustments to Service During Winter Holidays
On December 26, as well as on the 29th, 30th, and 31st, transportation services on your line will be adjusted. Trains will run every 30 minutes throughout the day.
To plan your journey and before heading to the station, check the latest schedules on the Île-de-France Mobilités app, Transilien.com, SNCF Connect, or your preferred mobility app.

Tramway

Tram T1: Safety Measures - Service Disruption:
Traffic is halted between Asnières - Quatre Routes and Saint-Denis station due to damage caused by a third party. Service resumption is expected by summer 2026.
Replacement buses are operating between Asnières–Gennevilliers–Les Courtilles and Mairie de Villeneuve-la-Garenne.

Tram T2: Modernization Works — Service Disrupted:
Until the end of February 2026, train services between Porte de Versailles and Suzanne Lenglen are suspended due to ongoing modernization work.
To reach Porte de Versailles from Suzanne Lenglen, walk to the Balard station on T3a.

T3a

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T3b

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T11

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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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