Traffic information RER line C

Summer works 2026

Planned works are currently in progress or upcoming on this line.

Live at 15:42

Traffic information

rer rer-transilien c
Saint-Quentin en Yvelines - Montigny-le-Bretonneux / Versailles Chantiers

Traffic suspended between St-Quentin en Yv. - Montigny-le-Bret. and Versailles Chantiers.

until 12 July inclusive.

Reason: Consequences of weather conditions (electrical installations damaged by lightning in the Saint Quentin-en-Yvelines area.)

Works

rer rer-transilien c
Versailles Château Rive Gauche / Champ de Mars Tour Eiffel

On weekends until 5 Jul, traffic suspended between St-Quentin en Yv. and Chp de Mars Tour E. , and between Vers. Chât. Rive Ga. and Chp de Mars Tour E. towards St-Martin d'Étampes, Dourdan la Forêt, Massy - Palaiseau, St-Quentin en Yv. and Vers. Chât. Rive Ga. due to planned works.

Planned disruptions

Works

rer rer-transilien c
Gare d’Austerlitz / Dourdan

From 5 to 26 July inclusive, on Sundays from 09:07 PM., traffic will be suspended between Gare d'Austerlitz and Dourdan stations due to planned works.

Replacement bus service.

Works

rer rer-transilien c
Gare d’Austerlitz / Saint-Martin d'Étampes

From 5 to 26 July inclusive, on Sundays from 09:40 PM., traffic will be suspended between Gare d'Austerlitz and Saint-Martin d'Étampes stations due to planned works.

Replacement bus service.

Works

rer rer-transilien c
Gare d’Austerlitz / Dourdan

From 6 to 13 July inclusive, on Mondays to Fridays from 09:00 PM., traffic will be suspended between Gare d'Austerlitz and Dourdan stations due to planned works.

Replacement bus service.

Works

rer rer-transilien c
Pontoise / Avenue Henri Martin

From 6 to 13 July inclusive, on Mondays to Fridays from 09:40 PM., traffic will be suspended between Pontoise and Avenue Henri Martin stations due to planned works.

Works

rer rer-transilien c
Gare d’Austerlitz / Juvisy

From 6 to 10 July inclusive, on Mondays to Fridays from 09:45 PM., traffic will be suspended between Gare d'Austerlitz and Juvisy stations due to planned works.

Replacement bus service.

Works

rer rer-transilien c
Gare d’Austerlitz / Pont de Rungis Aéroport d'Orly

From 6 to 13 July inclusive, on Mondays to Fridays from 10:20 PM., traffic will be suspended between Gare d'Austerlitz and Pont de Rungis Aéroport d'Orly stations due to planned works.

Works

rer rer-transilien c
Gare d’Austerlitz / Saint-Martin d'Étampes

From 6 to 10 July inclusive, on Mondays to Fridays from 10:30 PM. onwards, traffic will be suspended between Gare d'Austerlitz and Saint-Martin d'Étampes stations due to planned works.

Replacement bus service.

Works

rer rer-transilien c
Versailles Château Rive Gauche / Javel

From 6 to 10 July inclusive, on Mondays to Fridays from 11:00 PM. onwards, traffic will be suspended between Saint-Quentin en Yvelines - Montigny-le-Bretonneux and Javel stations , and between Versailles Château Rive Gauche and Javel due to planned works.

Works

rer rer-transilien c
Gare d’Austerlitz / Juvisy

From 13 to 31 July inclusive, on Mondays to Fridays from 11:00 PM. to 03:00 AM., traffic will be suspended between Gare d'Austerlitz and Juvisy stations due to planned works.

Replacement bus service.

Works

rer rer-transilien c
Gare d’Austerlitz / Saint-Martin d'Étampes

From 13 July to 31 July , on Mondays to Fridays from 11:00 PM. onwards, traffic will be suspended between Gare d'Austerlitz and Saint-Martin d'Étampes stations due to planned works.

Replacement bus service.

Works

rer rer-transilien c
Versailles Château Rive Gauche / Javel

On 13 July, on Mondays from 11:00 PM., traffic will be suspended between Saint-Quentin en Yvelines - Montigny-le-Bretonneux and Javel stations , and between Versailles Château Rive Gauche and Javel due to planned works.

Replacement bus service.

Works

rer rer-transilien c
Pontoise / Gare d’Austerlitz

From 15 July to 22 August inclusive, traffic will be suspended between Pontoise and Gare d'Austerlitz, between Saint-Quentin en Yvelines - Montigny-le-Bretonneux and Gare d'Austerlitz, and between Versailles Château Rive Gauche and Gare d'Austerlitz due to planned works.

Works

rer rer-transilien c
Gare d’Austerlitz / Dourdan

From 15 to 31 July inclusive, on Mondays to Fridays from 09:00 PM., traffic will be suspended between Gare d'Austerlitz and Dourdan stations due to planned works.

Replacement bus service.

Works

rer rer-transilien c
Gare d’Austerlitz / Pont de Rungis Aéroport d'Orly

From 15 to 31 July inclusive, on Mondays to Fridays from 10:20 PM., traffic will be suspended between Gare d'Austerlitz and Pont de Rungis Aéroport d'Orly stations due to planned works.

Works

rer rer-transilien c
Gare d’Austerlitz / Dourdan

From 19 to 26 July inclusive, on Sundays from 11:00 PM to 03:00 AM, traffic will be suspended between Gare d'Austerlitz and Dourdan stations due to planned works.

Replacement bus service.

Works

rer rer-transilien c
Gare d’Austerlitz / Dourdan

From 2 August to 16 August inclusive, on Sundays from 11:00 PM. onwards, traffic will be suspended between Gare d'Austerlitz and Dourdan stations due to planned works.

Replacement bus service.

Works

rer rer-transilien c
Gare d’Austerlitz / Saint-Martin d'Étampes

From 2 August to 16 August inclusive, on Sundays from 11:00 PM. onwards, traffic will be suspended between Gare d'Austerlitz and Saint-Martin d'Étampes stations due to planned works.

Replacement bus service.

Works

rer rer-transilien c
Orly Ville

From 6 July to 30 August inclusive, this line will not stop at Orly Ville station due to planned works.

Infos X (Ex Twitter)

@RERC_SNCF

Also worth reading

ligne 14

Metro Line 14: works and closures

At the moment, there are no planned works and closures on Metro Line 14. ...
Network modernisation

Tout sur les grands travaux d'été 2026

Retrouvez sur cette page toutes les informations concernant les travaux en cours et à venir sur les lignes de métro, tramway et RER....
Network modernisation