The alignment of the tunnel Roppen goes underneath the southslope of Mount Tschirgant in the Upper Inn Valley, in Tirol. The project includes the construction of the 5100m long new southern tube and the restoration of the existing tube. 23 cross passages were built every 212m (16 pedestrian access, 6 for rescue access and 1 for vehicle access). Works started in October 2005 and were concluded in December 2010.
- Construction of new 2nd tube
- Restoration and adaptation of existing tube
- Length: 5,100m
- Construction period: 2005 - 2011
- Construction costs: 130 Mil. €
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