Ryfast is a chain of subsea tunnels in the southwest of Norway. Ryfast tunnels connects Stavanger (the fourth largest city...sea level.
Hundvåg Tunnel
It lies between the city...
This is a general guide for how much a Tunnel Boring Machine (TBM) costs.
TBM prices alwa...s usually the lowest. On the other hand, if you need to bore a tunnel under a sprawling city...