Focus on the extension of Metro Line 11

The extension of Line 11 has been inaugurated on June 13, 2024, connecting the Mairie des Lilas station to the new terminus at Rosny - Bois-Perrier. An additional 85,000 passengers are able to use Line 11 daily at the six new stations: Serge Gainsbourg, Romainville Carnot, Montreuil-Hôpital, La Dhuys, Coteaux Beauclair, and Rosny – Bois-Perrier. In practice, this extension allows for a 25-minute journey between Châtelet and Rosny - Bois-Perrier stations.

This project has taken 8 years of construction, resulting in a 6 km extension, the creation of a viaduct, and the construction of new stations in a highly dense urban environment. It represents a significant technical challenge successfully met by the dedicated teams.

The aim of this extension is to enhance the rail service coverage in the eastern part of the Île-de-France region, particularly by boosting access to business areas and facilities such as the André Grégoire Intercommunal Hospital, the Rosny 2 and Domus shopping centers, and the high schools in the Londeau neighborhood. The goal is to fully support the urban development of the Seine-Saint-Denis (93) municipalities served: Les Lilas, Romainville, Noisy-le-Sec, Montreuil, and Rosny-sous-Bois.

The extended Line 11 to Rosny - Bois-Perrier will offer connections to the extended T1 at Val de Fontenay, the RER E, and Line 15 East at Rosny - Bois-Perrier, as well as to the bus lines serving the area.

Discover several videos showcasing some of the new stations of the Line 11 extension:

• Rosny - Bois-Perrier Station: This is the new terminus of Line 11.
• Did you know? An architectural emblem of the Line 11 extension project, the Coteaux Beauclair station features a 600-meter viaduct with a sleek design. This structure, designed by Marc Mimram, reinterprets the architectural codes of the aerial viaducts of Lines 2 and 6 built in the early 1900s for the 21st century.
• La Dhuys and Montreuil-Hôpital Stations
• Romainville Carnot Station

The complexity of the Line 11 extension project lies in the simultaneous execution of three major undertakings:

• The actual extension of the line
• The adaptation of existing stations
• The modernization of driving systems and the complete renewal of rolling stock, funded by Île-de-France Mobilités

The new MP14 trains have been gradually replacing the MP59 trains since June 2023. These new trains are much quieter, more energy-efficient, and offer better information, thus enhancing passenger comfort.

Additionally, this extension includes the creation of a maintenance workshop in Rosny-sous-Bois and a new centralized control center for the line in Bagnolet.

As part of the extension of Metro Line 11, RATP invites you to discover a new work of art along your journey at La Dhuys station: #Hydroflux by Mathieu Merlet Briand.

This lenticular artwork, inspired by Impressionist paintings, captures the fluidity and elusive nature of water. Spanning 15 meters in length, the monumental piece comes to life as travelers move past, with elements appearing and disappearing, creating a continuously evolving visual experience.

Born in 1990, Mathieu Merlet Briand lives and works in the Seine-Saint-Denis department. He has developed an algorithmic method to generate lenticular artworks from thousands of images and data inputs.

The artist was commissioned by the production company Quai 36, which oversaw the creation and installation of this monumental piece at La Dhuys station.

Quelques semaines avant l'inauguration du prolongement de la ligne 11, les voyageurs ont pu découvrir la nouvelle station La Dhuys grâce à un jeu vidéo, développé spécialement pour l'occasion. L'objectif ? Se promener dans la station et récolter les 11 trésors dissimulés un peu partout. A la clé, un tirage au sort parmi les gagnants pour visiter le prolongement en avant-première.

Découvrez le jeu vidéo #M11Experience !

Le Dossier d'Objectifs et de Caractéristiques Principales (DOCP) du prolongement de la ligne 11 a été approuvé en 2009 ; le schéma de principe du projet, lui, fut approuvé en février 2013.

Cela a permis le début des travaux en 2015 pour une mise en service en 2024.

Tout cela grâce à un travail d'équipe, mené par la RATP, Île-de-France Mobilités, la Ville de Paris, mais aussi l'Etat, la Région Île-de-France et l'Union européenne, la Société des grands projets et le Conseil départemental de Seine-Saint-Denis.

For more information, you can visit:

• The official social media account (X) of Metro Line 11
• Metro Line 11: a line and its history