A CSR roadmap for a sustainable development project

Société des grands projets has undertaken numerous environmental, social and economic commitments in order to design and create the Grand Paris Express and ensure the project contributes to the ecological and energy transition in Paris region. This ambition is also central to our approach to successfully developing other metropolitan regional express services (SERM).

Our commitments

Our CSR roadmap defines our ambitions through three core commitments. The indicators set for these commitments are tracked from year to year.

Oversee our projects responsibly through dialogue

Maintain ongoing dialogue with external stakeholders

- Work in consultation with local stakeholders.
- Support for local residents and businesses affected by construction work.
- Include CSR clauses in our contracts.

Ensure transparency in our governance and fairness in our practices

- Integrate CSR into Société des Grands Projets’ strategy and management.
- Guarantee the independence of our governance bodies.
- Introduce a corruption, fraud and conflict of interest prevention policy.

Ouvrage Cachin à Saint-Denis : phase d'aménagement du tunnel

Prevent project-related safety risks

- Implement a worksite safety prevention strategy that applies to everyone.
- Protect data and information systems.

Visite de nouveaux collaborateurs sur le chantier Pont de Sèvres

Ensure the health, diversity, equal treatment and career development of our employees

- Active policy on Quality of Work Life and Working Conditions (QWLWC) and psychosocial risk (PSR) prevention.
- Develop employees’ skills.
- Implement a recruitment policy that promotes diversity and equal opportunities.

14 local outreach agents…

in day-to-day contact with local residents.
They received more than 1,600 requests in 2024.

82% of employees...

were trained in preventing corruption in 2024.

82% of worksites...

underwent a safety audit in 2024.

92/100 SGP’s score...

for gender equality at work in 2024.

Build while protecting the environment and contributing to the resilience of tomorrow’s cities

Transformer les terres excavées du GPE en béton bas carbone

Implement an ambitious policy for the climate and the energy transition

- Anticipate and integrate climate risks in the design and build of structures and station districts.
- Integrate energy efficiency into the design, build and operation of the Grand Paris Express.
- Implement lower-emission processes and methods during construction and operation.
- Develop intermodal transport connections around stations.

Projet d'aménagement de la Forêt de Maubuisson

Preserve biodiversity, facilitate its inclusion in the city and limit disturbance caused by the project

- Implement measures to avoid, reduce and offset the environmental impact of construction work.
- Manage disturbance around worksites and during metro operations.

Centre d'Exploitation Aulnay : arrivée des terres revégétalisées

Promote the circular economy and resource optimisation

- Manage and reuse excavated materials.
- Use recycled and bio-based materials from the Grand Paris Express to build station structures and neighbourhoods.
- Promote the processing and recycling of construction waste.
- Apply eco-design principles in the design of station structures and neighbourhoods.

2 232 million tonnes of CO2...

emitted since the project began. Société des grands projets is on track with its carbon footprint.

129,54 hectares of surface...

restored since work began, through ecological and forestry offsetting.

70.3% of spoil...

from worksites has been recycled in 2024.

Contribute to the development of sustainable and inclusive cities

Concours général des métiers 2021 section Travaux Publics à Provins

Promote access to employment and training for all

- Integrate long-term unemployed people into the construction of the Grand Paris Express and station districts.
- Develop training and access for different audiences to future-oriented and high-demand occupations.

Gare Le Blanc-Mesnil : construction du bâtiment technique

Support the economic, social and community-based development of local areas

- Include VSEs/SMEs and social economy enterprises in building the Grand Paris Express and station districts.
- Encourage social and territorial innovation around worksites and future stations
- Develop local, mixed and responsible retail outlets in stations.
- Deploy digital technology to improve the passenger experience and local development.

Foster social diversity in urban projects

- Develop affordable housing in station districts.
- Promote diversity of use in public spaces.

Deliver reliable and accessible transport services

- Guarantee a maintainable, operable, sustainable network.
- A 100% accessible metro.
- Design stations as landmark cultural and heritage sites for the future.

5 563 million working hours...

completed by long term unemployed since work began.

457 social enterprises...

mobilised on the project.

23 real estate projects...

developed on land acquired to build the metro are under joint development.

68 duos…

formed to date by an architect and an artist to create artworks in stations.

To find out more

Read our 2024 integrated report

Our contribution to the UN’s sustainable development goals

Given how the Grand Paris Express will benefit mobility, the environment and the economy, and its contribution to reducing social and regional inequalities, our roadmap is aligned with the sustainable development goals (SDGs) set by the United Nations. These SDGs pinpoint 17 priorities to be achieved by 2030, thus taking part in economic development that respects people and the planet.

Société des grands projets is a signatory of the United Nations’ Global Compact. This charter commits us to acting in line with the universally recognised principles of respecting human rights, employment law, environmental protection and the fight against corruption.

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