Arlberg safety tunnel, St. Anton (Austria)

  • Arlberg safety tunnel
  • Eight connections between the existing road tunnel and the existing railway tunnel
  • Excavation of approximately 135,000 m3 material
  • Section length approximately 3 km
  • Cross-section from 25 m2 to 160 m2

Conventional cyclical drill and blast heading with immediate installation of supports and reinforcements.

Map

Specific figures

Contract value

CHF 28.2 million

Construction period

2004 - 2007

Length

3000 m

Total excavated surface

25 - 160 m2