Scope of work
Grouft Tunnel, Luxembourg;
twin-tube, two-lane motorway tunnel
Grand-Duché de Luxembourg - Ministère des Travaux Publics
[Grand Duchy of Luxembourg - Ministry of Public Works]
represented by Administration des Ponts et Chaussées,
Luxembourg [Bridge and Road Department]
Wayss & Freytag Ingenieurbau AG
as technical leader of a joint venture
February 2005 to August 2009
€ 171 million
The double-lane road tunnel is the centrepiece of the Völkermarkt bypass. The town centre is relieved from heavy traffic which in turn means a better quality of life for the population.
6 km railway tunnel from Stuttgart central railway station to Bad Cannstatt as part of the large-scale project „Stuttgart 21“.
A milestone for the Koralm railway line from Graz to Klagenfurt: the double-track tunnel with a length of 1.7 km forms the centrepiece of this construction section.