The Grand Paris Express (GPE): A Pharaonic Project Connecting Suburbs with 68 Stations and 200km of Lines by 2030

The Grand Paris Express (GPE), this pharaonic project, carried by the Société du Grand Paris, which will allow travel from suburb to suburb, will run until 2030. Remember that it includes the extension of line 14, as well as the new lines 15, 16, 17 and 18. Where are we?

Some numbers…

68 stations. 200 km of lines. 3 million passengers are expected every day. 98% of the inhabitants of the metropolis will live less than 2 km from a station. 80% of the stations will be connected to the existing network: metro, RER, transilien, tramway. 2 to 3 minutes between each train with an average speed between 55 and 65 km/h. 180 urban projects already underway in the neighborhoods surrounding the stations which will be commissioned in 2024 and 2025. The neighborhoods around the 68 new stations represent a development potential of 140 km² (one and a half times the surface area of ​​Paris ).

Lines and schedule

The first section to be put into service will be the southern extension of the ligne 14 in mid-2024. Olympiade (13th arrondissement) will then be linked to Orly airport, via 6 new stations (at Villejuif and Chevilly-Larue, in particular). The objective of this spring opening is for the line to flourish in the summer, on the occasion of the Olympic Games. This line 14 will be the North-South axis of the GPE. The only section to be the extension of an existing line, it will also be the only line to cross Paris.

The ligne 15 will be the peripheral line of the GPE. It is its southern section, between Pont de Sèvres and Champigny (plus an appendix to Noisy-Champs) via Créteil, which will first be put into service at the end of 2025. Then, by 2030, the loop will be completed via Bobigny, Saint-Denis and Nanterre, in particular.

The ligne 16 is the “Grande Couronne” section of eastern and northern Paris. It will leave from Noisy-Champs, in connection with line 15, therefore. And will end in Saint-Denis-Pleyel, via, among others, Chelles, Aulnay and Le Bourget. Full commissioning is scheduled for 2030. In the meantime, at the end of 2028, the section linking Noisy-Champs to Clichy-Montfermeil will have been opened.

The ligne 17 will connect Saint-Denis Pleyel to Charles-de-Gaulle airport (and even beyond: Le Mesnil-Amelot), with a gradual opening from south to north between the end of 2028 and 2030. This line, the shortest of the GPE, appears as a northern extension of the 16, towards the airports. It also follows a course almost parallel to one of the “north” branches of the RER B.

The ligne 18 is an equivalent of line 16 in the south-west of Paris. It will connect Versailles to Orly airport, via Palaiseau. It will be opened in sections from the end of 2026 until 2030.

Here is the detailed schedule…

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