Improvement projects

Works and projects on line H

Several types of work are underway to improve the regularity of line H and modernise its infrastructure, such as:

The renewal of 31km of track between Persant-Beaumont and Creil;
The construction of 6 signal boxes between Creil and Compiègne in order to improve traffic flow;
The accessibility of three stations (Épinay-Villetaneuse, Persan-Beaumont and Pontoise).

Here are the main works undertaken to improve the regularity of line J and modernise its infrastructure:

The renewal of 9.6 km of track between the stations of Ermont Eaubonne and Bois Colombes;
The replacement of 9 switches at Paris Saint Lazare station in order to modernise the tracks and improve passenger comfort;
The replacement of switches and the renewal of 2055 metres of track at Aubergenville station;
The accessibility of the Argenteuil station.

Here are the main works undertaken to improve the regularity of line L and modernise its infrastructure:

The replacement of 15 switches and the renewal of 1200 meters of track in Bobigny;
The replacement of 9 switches at Paris Saint Lazare station;
The accessibility of the stations of Courbevoie, Marly-le-Roi, Pont Cardinet, Sèvres Ville d'Avray and Viroflay Rive Droite

Here are the main works undertaken to improve the regularity of line N and modernise its infrastructure:

The replacement of 13 switches and the renewal of 417 metres of track at Paris Montparnasse station;
The replacement of 4 switches and the renewal of 2055 metres of track at Saint-Cyr station;
The adaptation of the infrastructure between Paris and Sèvres in order to be able to accommodate new Regio 2n trains from Paris-Montparnasse to Dreux, Rambouillet and Mantes-La-Jolie.

Here are the main works undertaken to improve the regularity of line P and modernize its infrastructure:

The first phase of the electrification of the line, between Gretz and Nogent;
The complete renewal of the Romilly-sur-Seine signal box as part of the electrification of the line;
The renewal of 15 km of track at Nangis-Verneuil L'Étang;
The renewal of 2.5 km of track at the Gare de l'Est;
The construction of new train maintenance facilities in Vaires-sur-Marne;
The replacement of 4 switches and the renewal of 2055 metres of track in Germigny L'Évêque.

Here are the main works undertaken to improve the regularity of the R line and modernize its infrastructure:

The replacement of 4 switches and the renewal of 2055 meters of track at Vert de Maisons;
The modernization of the Villeneuve Saint-Georges signal box;
The accessibility of the Montereau station.

Here are the main works undertaken to improve the regularity of the U line and modernize its infrastructure:

The replacement of 4 switches and the renewal of 2055 metres of track at Saint-Cyr station.