RER A Summer work

RER line A summer works journey planner

Anticipate the summer closure period of RER line A between La Défense and Nation by testing now your future trips with our journey planner.

This journey planner allows you to already test one or more alternatives routes but does not takes into account live traffic perturbations unlike to itinerary search which will be put online in July.

For the fourth year in a row, track renewal works require a total traffic interruption on RER line A between La Défense and Nation, and between Maisons-Laffitte and Poissy, from July 28th to August 26th inclusive. This journey planner allows you to already test one or more alternatives routes but does not takes into account live traffic perturbations unlike to itinerary search which will be put online in July.

The journey planner only takes into account the following closures:

RER A: from July 28th to August 26th inclusive between La Défense and Nation and between Poissy and Maisons-Laffitte. Closures from July 15th to September 2nd inclusive between Cergy—Le Haut and Cergy—Saint-Christophe and from July 30th to September 7th inclusive between Cergy—Le Haut and Sartrouville (Monday to Friday, from 10:30 pm to end of service) are not included.

RER C: from July 15th to August 25th inclusive between Paris Austerlitz and Javel and between Paris Austerlitz and Avenue Henri Martin.

T1: from July 23rd to August 19th between Saint-Denis—Gare and La Courneuve—6 Routes.

To know more about the journey planner, click here.

Travaux d’été du RER A 2018

Travaux Eté RER A Modernisation Ligne RER A