Austria

Second Klaus Tunnel Bore: Start of Excavation in April 2015

Currently the Klaus chain of tunnels between the Klaus and St. Pankraz/Hinterstoder junctions, the Bosruck and the Gleinalm tunnels, which represent undeveloped gaps on the A9 Pyhrn Motorway, are being developed successively. The intention is to increase traffic safety on the motorway, which runs from the Voralpenkreuz hub to Spielfeld on the Slovenian border. Work on the bridges for the altogether 8 km long Klaus chain of tunnels construction project commenced in 2013. It mainly comprises tunnels and bridges: a ramp bridge near the Klaus junction, and the valley crossings Steyer (270 m),...

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04/2016 Austria

The Klaus chain of tunnels: Klaus Tunnel Breakthrough in March

With the exception of the Klaus chain of tunnels and the Gleinalm Tunnel, Austria‘s Pyhrn Autobahn A9 toward the Slovakian border is fully completed. Work on the Klaus tunnels, specifically on the...

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07/2010 Austria

Second Bore for the Tauern Tunnel

The second bore for the Tauern Tunnel on the A10 motorway is 6,400 m long and was driven by mining means within 22 months. It was opened on April 30, 2010 following less than 4 years’ construction,...

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05/2015 Austria

Gleinalm Tunnel: Second Bore broken through

After more than a year of tunnelling, the second bore of the 8320 m long Gleinalm Tunnel, the third longest road tunnel in Austria, was broken through in the middle of 2015. After the planned...

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07/2011 Austria

The twin-bore Tauern Tunnel commissioned

The 6.4 km long Tauern Tunnel (1971/1975) on the A10 motorway was provided with a second bore (2006/2010) following the accident in 1999 while the existing bore was redeveloped at the same time. In...

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02/2010 Austria

Second Bore of the Roppener Tunnel operational

A second bore was produced for the 5.1 km long, single-tube Roppener Tunnel near Imst for the motorway in the Tyrolean Upper Inn Valley. It was created largely by mining means (drill+blast with full...

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