[Be vigilant]. Increasing number of attempts to impersonate Eiffage and its subsidiaries (use of false e-mail addresses, fraudulent websites, etc.). Read more here.

Underground works :
experienced professionals
for the most demanding projects

Underground worksites are very technical, often complex, always unique and subject to stringent preparatory phases. They have been one of Eiffage Génie Civil's specialist fields for many years. As a trusted partner, we support and assist our customers from project inception to completion. 

Underground construction : a case for the specialists

Road, rail and industrial tunnels, sewers and hydraulic facilities (with their tunnels, shafts, chimneys and caverns) : Eiffage Génie Civil  brings its expertise to all project configurations and in all contexts, including new structures, upgrading, loading gauge provision and safety solutions.

Our teams offer a complete range of techniques including TBM boring and blasting by conventional methods or with road-headers. They have full control on all types of firm and soft ground and bedrock.

When agility rhymes with operational excellence

Our dedicated teams manage the specific risks associated with all types of worksite, whether on road, rail or industrial structures. They are able to operate whatever the terrain, environment or technique required.

Eiffage Génie Civil boasts numerous specialized teams of engineers, technicians, geotechnicians, tunnel boring machine operators, miners, etc., all of whom know how to adapt their methods to the environments encountered.

80 years of history, and so much more to write...

Multiple skills and shared pride... Highly technical and always unique, in environments as stimulating as they are rewarding, underground work has been a specialty of Eiffage Génie Civil for over 80 years. Watch this film to relive the milestones in our history!

Some prestigious underground projects

Lyon-Turin SMP4 Tunnel - 7 years of work in retrospect

Relive with our teams the major stages of this work!