Arc de Dierrey (lot 1) – Crossing SNCF tracks (60)

Arc de Dierrey (lot 1) – Crossing SNCF tracks (60)

Covered trench – Customs road

Covered trench – Customs road

Covered trench – Tranchée Couverte

Covered trench – Tranchée Couverte

Underground car park

Underground car park

Semi-buried car park

Semi-buried car park

Microtunnel Le Corbusier / Ø1500 EC pipeline

Microtunnel Le Corbusier / Ø1500 EC pipeline

CIGEO

CIGEO

Line 15 of the “Grand Paris Express” metro system – Villejuif Louis Aragon – Pont de Sèvres section

Line 15 of the “Grand Paris Express” metro system – Villejuif Louis Aragon – Pont de Sèvres section

Mont Sion tunnel – A41 North motorway – Geneva – Annecy section (74)

Mont Sion tunnel – A41 North motorway – Geneva – Annecy section (74)

Wastewater disposal tunnel from St Genis Pouilly to Choully

Wastewater disposal tunnel from St Genis Pouilly to Choully