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 approx. 2 km long „Stafelter Berg“ Tunnel, north of Luxembourg city is part of the new motorway section of ‚Route du Nord‘ and consists of two double-lane tubes. The tunnel drive was carried out conventionally and with the drill and blast method.
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.
New U-railway line in the center of Dortmund will replace the existing overground running tram.