Technical specifications

Scope of work

  • 2 double-lane motorway tunnels, each with a length of 1,850 m
    (excavated area: 74 m² - 114 m²)
  • of which 1,650 m are constructed using mining techniques
    and 200 m using the cut and cover method

Construction method

  • Drill and blast method in combination with tunnel excavator
  • Construction of a pipe umbrella support system
    in some areas with shallow soil cover

Geology
Luxembourg Sandstone

General data

Project
Stafelter Berg Tunnel
twin-tube, two-lane motorway tunnel

Client
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]

Contractor
Wayss & Freytag Ingenieurbau AG
as technical leader of a joint venture

Construction period
September 2008 to August 2012

Construction costs
€ 100 million

Utilisation
Infrastructure
Type
Road Tunnel, double-track
Length
2 * 1,850 m
Construction Method
Drill and blast method in combination with tunnel excavator
Related Projects
Grouft Tunnel
Grouft Tunnel
Luxembourg

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%.

Read more
Henndorf Bypass
Henndorf Bypass
Austria

The Henndorf bypass lead to a noticeable relief of traffic congestion. Centrepiece of the bypass is the double lane 2,150 meters long road tunnel, which is now used by approx. 20,000 vehicles per day.

Read more
Silberberg Tunnel
Silberberg Tunnel
Germany

The Silberberg railway tunnel in the Thuringian Forest is part of the new Ebensfeld – Erfurt railway line. The new line connects the old and the new federal states.

Read more