LGV Interconnexion Est

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LGV Interconnexion Est

The LGV Interconnexion Est is a French high-speed rail line that connects the LGV Nord and LGV Sud-Est through the Île de France. Opened in 1994, it consists of three branches, which begin at Coubert:

Since the south and west branches have been "annexed" by the LGV Sud-Est, some hold the view that the Interconnexion Est is only truly composed of the Coubert-Vémars northern branch.


Starting from the south (LGV Sud-Est or LGV Atlantique), the line begins at Coubert junction and heads northeast. Near Tournan, there is a link to the Paris-Coulommiers line. Further north, Marne-la-Vallée – Chessy station (transfer to the RER A) serves the new town of Marne-la-Vallée and Disneyland theme park. Near Claye-Souilly, two links under construction will join the line to the LGV Est. The route next serves Aéroport Charles de Gaulle 2 – TGV station (transfer to the RER B and air transport). Shortly thereafter, the line joins the LGV Nord at Vémars junction.

Journey times


  • The construction of a suburban line along the LGV between Villeparisis and Vémars is under consideration. This project could have two possible purposes: to serve Roissy airport from Paris (as an alternative to the CDG Express); or to be the beginning of a western line linking Creil to Meaux, Marne-la-Vallée and Melun.
  • It has also been proposed to complement the Interconnexion Est with an LGV Interconnexion Sud or LGV Interconnexion Ouest.

External links

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