5,900 M€ Infrastructure

Opening: 2026

1,000,000 Passengers pool

Metro 15 South will link Pont de Sèvres to Noisy-Champs stations in 39mn. It will be the first Grand Paris Express new line to open.

3,015 M€ Infrastructure

Opening: 2031

600,000 Passengers / day

Metro 15 West will link Saint-Denis Pleyel to Pont de Sèvres in 25mn. It will be the second Grand Paris Express section to open.

3,590 M€ Infrastructure

Opening: 2028

775,000 Passengers pool

Metro 16 will link Saint-Denis Pleyel (93) to Noisy-Champs (77 et 93) in 30mn via Le Bourget, and share tracks with Metro 17 from Saint-Denis Pleyel to Le Bourget.
This new automated line will drive a dramatic change in transportation links in Eastern Seine-Saint-Denis, notably for students towards Noisy-Champs.

2,546 M€ Infrastructure

Opening: 2030

170,000 Passengers / day

Metro 17 will link Saint-Denis Pleyel (93) to Le Mesnil-Amelot (77) in 25mn, via Le Bourget, and share tracks with Metro 16 from Saint-Denis Pleyel to Le Bourget.
This new automated line will improve the accessibility of Paris Nord Villepinte Exhibition Center.

2,900 M€ Infrastructure

Opening: 2026

100,000 Passengers / day

Metro 18 will link Paris Orly Airport (94) to Versailles-Chantiers (78) in 33mn.
This new automated line will answer the transportation issues of inhabitants, students, researchers and workers from Antony, Massy, Saclay, Saint-Quentin-en-Yvelines and Versailles.

In Aulnay-sous-Bois, the regeneration of a former Stellantis plant is accelerated by the arrival of new metro line 17 of the major Grand Paris Express project.

Val Francilia is born with the aim of future production processes, mixing sustainability and IT, over 100 Ha of urban land development.

Many companies already set up, and the site will soon welcome AulTech, a digital campus hosting 1,500 students/year and an IBM FabLab. By 2026 will open a “Data Hill”, giant data center facility with an exceptional architecture based on biomimetics, to serve the needs of all IT companies.

© Aldric Beckmann Architectes / Société des Grands Projets

Located at the boundary of the municipalities of Clichy-sous-Bois and Montfermeil, the Clichy – Montfermeil station is situated near the Bondy forest, along the Dhuys promenade and the Ateliers Médicis. The future station of line 16 of the Grand Paris Express will allow residents to have easier access to the capital and other cities in the Grand Paris. Following the commissioning of the T4 tram-train in 2019, the arrival of the Clichy – Montfermeil station in 2027 will complete the transformation of this neighborhood.

The Clichy – Montfermeil station is distinguished from the outside by its colorful and openwork pergola. This structure houses the two buildings of the station, one of which will be designated for welcoming travelers. Their descent to the platforms of the new metro will take place in a well bathed in natural light.

© Architecte Mandataire Miralles Tagliabue EMBT / Architecte Associé bordas+peiro / Société des Grands Projets

The Le Bourget – Airport station is located in the territories of Dugny and Blanc-Mesnil, at the municipal boundary of Le Bourget. It serves as a junction between the Paris - Le Bourget aeronautics hub, the Air and Space Museum, the Bourget exhibition center, and the residential neighborhoods of Blanc-Mesnil.

The station consists of a passenger area open on four façades, allowing it to accommodate the daily flow of travelers from Blanc-Mesnil and events on the airport platform side. It will welcome nearly 25,000 travelers each day.

© Architecte atelier Novembre / Société des Grands Projets

The La Défense station will welcome Line 15 West in 2030, in addition to the existing lines: Metro Line 1, RER Lines A and E, regional trains L and U, and Tramway 2. The already excellent accessibility of La Défense will be further enhanced, with: 12 minutes to Saint-Denis Pleyel, 18 minutes to central Paris, 26 minutes to Villejuif – Gustave Roussy, 33 minutes to Paris Charles de Gaulle Airport, 33 minutes to Noisy-Champs, and 36 minutes to Paris Orly Airport.

The highly urbanized La Défense neighborhood is in a constant state of transformation and currently features an ambitious project for the greening of the large central pedestrian esplanade, of which 35% has been completed, totaling 37.35 hectares of landscaped public areas. Meanwhile, over 110,000 m² of housing and 700,000 m² of commercial activities have been developed.

© Grimshaw / Société des Grands Projets

The Massy – Palaiseau station of the Grand Paris Express is part of a multimodal hub that currently brings together the RER B and C stations, the TGV station, and two bus terminals. More specifically, this future station will be integrated into the center of a 400-meter-wide railway network. Located between the two developing neighborhoods of Atlantis and Vilmorin, the Massy – Palaiseau station contributes to the prominence of the municipality of Massy.

Already a strategic location today, by 2026, the Massy – Palaiseau station will be one of the most interconnected stations of the Grand Paris Express.

© Richez_Associés / Société des Grands Projets

At the junction of the municipalities of Boulogne-Billancourt and Sèvres, the Pont de Sèvres station is located beneath the Quai Georges Gorse. A connecting corridor at Avenue du Général Leclerc links the station to metro line 9. A 268-metre-long pedestrian footbridge allows access to the Seine Musicale. The Grand Paris Express station will serve more than 38,000 residents living within a 1 km radius, and up to 95,000 travellers will use it each day.
The station is designed by architect Jean-Marie Duthilleul, featuring an immersive sensory artwork by Japanese artist Ryoji Ikeda—a 50-metre-long installation located in the station’s main passage. The work, entitled “data.scape,” will display on an LED screen “the entirety of the DNA sequences of the human genome (chromosomes 1-22, XY), representing the most fundamental information that defines us as human beings.” On the platforms, illustrations by artist François Schuiten depict his vision of the city of Boulogne-Billancourt.

© Agence Duthilleul / Setec TPI et Ingerop / Société des Grands Projets

The Saint-Denis Pleyel station welcomes Line 14 since 2024, followed by Lines 16 and 17 in 2026, and finally Lines 15 East and 15 West in 2030, providing excellent accessibility to the entire region: 12 minutes to Paris La Défense, 14 minutes to central Paris, 19 minutes to Paris Charles de Gaulle Airport, 25 minutes to Noisy-Champs, 29 minutes to Villejuif – Gustave Roussy, and 45 minutes to Paris Orly Airport.

The Saint-Denis Pleyel neighborhood is experiencing strong project momentum following the Paris 2024 Olympic and Paralympic Games, with 159,250 m² of housing and 497,872 m² of economic activities already constructed and delivered, and an additional 767,728 m² planned, currently under construction or yet to be built.

The Saint-Denis Pleyel station was awarded the Versailles 2025 prize, distinguishing it as one of the seven most beautiful stations in the world.

© Kengo Kuma & Associates / Société des Grands Projets

Already connected by the RER A and E lines, as well as a bus station, Val de Fontenay is the main multimodal hub of Eastern Paris, with nearly 100,000 daily travelers. The arrival of line 15 in 2031 and the extensions to the east of metro line 1 and the tram will accompany the transformation of the neighborhood into a dynamic city center and a key area of Val-de-Marne.

The station of line 15 will contribute to the dynamism of the main business hub of Eastern Paris Region. Its arrival, along with the establishment of new offices and housing, will promote the transformation of this area from a "train station district" to a "city district." Ultimately, 85,000 travelers will use this new station every day.

© Wilmotte & Associés - Groupement COREA / Société des Grands Projets

The Versailles – Chantiers station of the Grand Paris Express serves a densely populated urban environment. Located very close to the current second busiest station in Île-de-France after La Défense (excluding Paris intramuros), it provides connections to the RER C lines, the Transilien network, the TGV, and future Tram-Trains.

Designed by Dietmar Feichtinger, the Versailles – Chantiers station was conceived as a welcoming and warm place where travelers can stroll, much like in a French garden.

© Dietmar Feichtinger Architectes / Société des Grands Projets

The Villejuif – Gustave Roussy station has already welcomed Line 14 in 2024 and will se the opening of Line 15 South in 2025, significantly improving its accessibility: 9 minutes to Paris Orly Airport, 16 minutes to central Paris, 26 minutes to Paris La Défense, 26 minutes to Noisy-Champs, 29 minutes to Saint-Denis Pleyel, and 50 minutes to Paris Charles de Gaulle Airport.

The arrival of the Grand Paris Express network is fostering a strong momentum of projects within the ZAC Campus Grand Parc, with 142,400 m² of housing, 172,767 m² of office space, 20,000 m² of facilities, 6,000 m² of hotels, and 20,000 m² of retail already planned. This socially mixed neighborhood, characterized by a strong presence of vegetation and public green spaces, is already undergoing significant transformation.

The Villejuif – Gustave Roussy station was awarded the Versailles 2025 prize, distinguishing it as one of the seven most beautiful stations in the world.

© Dominique Perrault Architecte - ADAGP / Société des Grands Projets