Drill and blast
Upper shell limestone
Darmsheim Northern Bypass
L1182 Darmsheim Tunnel
Federal Land of Baden-Württemberg
represented by RP Stuttgart
Wayss & Freytag Ingenieurbau AG
2015 to 2017
€ 13.5 million
A double-lane motorway tunnel with a length of approx. 3 km forms part of the new motorway section of ‚Route du Nord' in the biggest infrastructure project in Luxembourg. The two tubes were carried out with an incline of nearly 5%.
The new hydroelectric power plant supplies sustainably produced electricity for approx.100,000 households without emitting pollutants in Tyrol and Engadin. Power house and power descent were built by Wayss & Freytag Ingenieurbau.
6 km railway tunnel from Stuttgart central railway station to Bad Cannstatt as part of the large-scale project „Stuttgart 21“.