The Grand Paris Express is more than just a transport network... fact, it will be the backbone for the development of the entire Capital Region, serving communities, economic players and the local population, as well as providing an unprecedented innovation potential.


Crisscrossing the Paris region, the Grand Paris Express will encourage people to switch from individual journeys to public transport, this will help mitigate greenhouse gas emissions, clearly contributing towards a more environmentally friendly Capital Region. The Grand Paris Express will save up to 27.6 million tons of CO2 emissions by 2050.

Employment and economy

Once the whole network is up and running, the Grand Paris Express will generate an additional €100 billion in GDP and more than 115,000 jobs in addition to those created by the natural growth of the region. The Grand Paris Express is also a great asset for Paris’ bid to host both the Olympics in 2024 and the World Expo in 2025.

Land development

Between 2020 and 2030, 140 km² of land around the Grand Paris Express stations will be turned into new mixed-use districts. Between 250,000 and 400,000 housing units will be built around the 68 stations of the future metro system. The Société du Grand Paris, private developers and public housing authorities have already started a number of land development programs.

Digital highway

The Grand Paris Express also provides an opportunity to harness new synergies between digital technology and transport. These are essential to the attractiveness of the region. Traversed by a pipeline of optic fibers and equipped with data centers and cutting-edge Wi-Fi and mobile networks, the Grand Paris Express is aiming to be the most digitally advanced metro service in the world. Thanks to this digital highway, users, companies and local authorities will have access to a plethora of new collaborative and customized open-data services.

Next page: the Société du Grand Paris, an organization entirely dedicated to managing the project