LGV Western Interconnection

LGV Western Interconnexion is a project of new line of Railroad in Île-de-France which would make it possible to connect the Normandy and it business district of Defense to the network TGV, but also to connect several communes of the Paris and its suburbs.

Justification of the project

The idea of a Western interconnection of TGV in Île-de-France is due to two goals:

To connect the Normandy to the network TGV French: LGV Normandy would make it possible to connect the Normandy to Paris and incidentally, with the Grand West (via LGV of the Estuaries) and in north (via the Picardy Arc), but the relationships to the East and South-east would be always difficult (it is the stopper francilien today which would explain the weak success of TGV Le Havre - Marseilles). The LGV would make it possible to solve this problem.
To connect the greatest business district of Europe, Defense, by non-stop train at the big cities of Europe. The not-Parisian business men would not have to forward thus any more by the Parisian stations to go to Defense.

Nature of the project

The great characteristic of this project is that, although it is called “LGV”, this line would be indeed a LGV only on one short distance…

Section St-Denis - Defense

The new line would start with two connections with St-Denis, one on the line Paris - Creil (the RER D), another on the line Paris - Crépy-in-Valois (the RER B), and would move towards south-west. The line would stop at the stations of Grésillons (the RER C) and of Gabriel Perished-Asnières-Gennevilliers, before being connected to the traditional line Gare Saint-Lazare - Defense close to the station of Bécon-the-Heathers.

This line would have triple utility:

TGV obviously,
the Normandy and Defense could have an direct access with the Aéroport Charles de Gaulle,
finally, for the local service roads, this line would be interesting tangential in the north of Paris.

Section Defense - Nanterre

It is a question of allowing an direct access of the Normandy Defense and thus the LGV. Three possibilities: either to reopen the connection known as of “the Madness” by adapting it to TGV, or to open a new line, or to make pass TGV by the underground of the RER has (but this one is saturated).

Section Defense - Massy

It is rather the blur of this dimension. One can only consider one re-use partial of the lines of the Rivieira between Defense and Saint-Cloud then a LGV until Massy where the LGV would be connected to LGV Atlantique and with LGV Southern Interconnexion.

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