Technical specifications

Scope of work:
Length: 3.6 km, excavated area: 40 m²

Construction method:
Excavation using a roadheader with pneumatic-tired material transport; single-pass lining, with anchored shotcrete, partly with arches

Molasse, partly eroded

General data

Project: Tridel Tunnel in Lausanne, Switzerland, single-track railway tunnel
Client: Tridel SA, Lausanne, Switzerland
Contractor: Wayss & Freytag Ingenieurbau AG in a joint venture
Construction period: 2004 to 2006
Construction costs: € 35 million

Railway tunnel, single-track
3.6 km
Construction Method
Excavation using a roadheader with pneumatic-tired material transport
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