Paris Métro Line 19 is a new line of the

Paris Métro The Paris Métro (, , or , ), short for Métropolitain (), is a rapid transit system serving the Paris metropolitan area in France. A symbol of the city, it is known for its density within the capital's territorial limits, uniform architectur ...

that is planned as an expansion of

Grand Paris Express The Grand Paris Express (; GPE) is a project consisting of new rapid transit lines and the extension of existing lines being built in the Île-de-France region of France. The project comprises four new lines for the Paris Métro, plus extensions ...

. Officially announced on 22 November 2023, it is planned to connect at the west of

La Défense La Défense () is a major business district in France's Paris metropolitan area, west of the city limits. It is located in Île-de-France region's Departments of France, department of Hauts-de-Seine in the Communes of France, communes of Courbe ...

business district to

Charles de Gaulle Airport Paris Charles de Gaulle Airport , also known as Roissy Airport, is the primary international airport serving Paris, the capital city of France. The airport opened in 1974 and is located in Roissy-en-France, northeast of Paris. It is named for ...

and the new area to be developed at . It will serve the residential areas of the department of

Val-d'Oise Val-d'Oise (, "Vale of the Oise") is a department in the Île-de-France region, Northern France. It was created in 1968 following the split of the Seine-et-Oise department. In 2019, Val-d'Oise had a population of 1,249,674.< ...

, notably

Argenteuil Argenteuil () is a Communes of France, commune in the northwestern suburbs of Paris, France. It is located from the Kilometre Zero, center of Paris. Argenteuil is a Subprefectures in France, sub-prefecture of the Val-d'Oise Departments of France, ...

and

Garges-lès-Gonesse Garges-lès-Gonesse (, literally ''Garges near Gonesse'') is a commune in the Val-d'Oise department in northern France. It is located in the northern suburbs of Paris, from the center of Paris. The city is a part of the Paris urban area. I ...

, in order to make them more accessible and accelerate their urban renewal. According to the first studies, the line is expected to be opened by 2040. __TOC__

Tracks and stations

During initial planning of

, the authorities of the department of Val-d'Oise expressed criticism as it was poorly served by the new lines to be built. On 3 April 2023, while construction of the Grand Paris Express metro lines was already in progress,

Valérie Pécresse Valérie Anne Émilie Pécresse (; Birth name, née Roux ; 14 July 1967) is a French politician who has been the President of the Regional Council (France), President of the Regional Council of Île-de-France since 2015. A member of The Republic ...

announced that a new line 19 was planned to be added to the urban development plan of the

Île-de-France The Île-de-France (; ; ) is the most populous of the eighteen regions of France, with an official estimated population of 12,271,794 residents on 1 January 2023. Centered on the capital Paris, it is located in the north-central part of the cou ...

region (SDRIF), as a request from the department of Val d'Oise. The initial routes to be considered were connections from

Nanterre Nanterre (; ) is the prefecture of the Hauts-de-Seine department in the western suburbs of Paris, France. It is located some northwest of the centre of Paris. In 2018, the commune had a population of 96,807. The eastern part of Nanterre, b ...

to Saint-Denis via Argenteuil and from Nanterre to

Cergy Cergy () is a commune in the French department of Val-d'Oise, to the northwest of Paris. It is located from the centre of Paris, in the "new town" of Cergy-Pontoise, created in the 1960s, of which it is the central and most populated commun ...

also via Argenteuil. On 22 November 2023, the Île-de-France region and the department of Val d'Oise announced jointly that the new line will eventually join Nanterre to Triangle de Gonesse, where it will connect to Line 17 heading to

. The line would be from 25 to 30 km long, serving from 9 to 11 stations depending on the route chosen. It will be essentially underground and fully automated.

Funding

The Île-de-France region and the department of Val d'Oise will fund feasibility studies for an amount of 6 million euros. Total construction cost of the project is estimated at this stage from 5 to 6 billion euros. Financial support from the French government is being considered. According to the President of the Île-de-France region, Valérie Pécresse, the latter is not opposed to participating in the construction of this new line.

Notes and references

{{Paris Transport Network Paris Métro Proposed railway lines in France