Tunnelling construction projects and references
References for tunnel construction
Get an idea of our work and take a look at our projects. Below you will find a selection of reference projects that we are currently realising or have realised in recent years.
References
Tunnel Ligerz, Lot 2
Ligerz, Switzerland
Start of construction:
September 2024
Construction volume (value of our services):
230 M EUR
Costs converted according to average yearly exchange rates during project realization
The project comprises the construction of the 2.1 km long twin-track tunnel in Ligerz. The total contract value is CHF 220 million, with Implenia's share amounting to around CHF 150 million.