Our markets

Designing and developing the most reliable, efficient, economical and environmentally friendly solutions: this is how we build a better world.
Our projects
Locations
Engineers and citizens

Respect for the environment, eco-construction, mobility and transport, urban growth, energy: these major contemporary challenges are at the heart of our day-to-day concerns.
About

Since 1957, our expertise and our ability to manage complex projects have led us to embrace society’s major transitions, always with the same passion.
Career

Learn, Act, Grow: this is the setec group’s commitment to all of our employees. It is the foundation of all actions we take with our companies’ HR teams.
Expert perspective

Back to projects

A87 motorway (Mortagne sur Sèvre-La Roche sur Yon)

Missions

Overall design
Detailed design
Construction supervision

Location

France

Functional features
• Length: 49.2 km
• Number of lanes: 2×2
• Junctions: 2
• Interchanges: 1
• Maintenance center: 1
• Rest areas: 3
• Toll stations: 3 including 1 with a barrier system

Technical features
• Excavated land: 6 million m3
• Backfill: 5 million m3
• Engineering structures: 55
• Viaducts: 1

Cost
• €440 million (2010)

A87 motorway (Mortagne sur Sèvre-La Roche sur Yon)

Missions

Location

Also discover in "Roads & highways"

Conakry Dabola Motorway

Brazzaville Corniche

Weighing and toll stations