Redeveloping the Gubris Tunnel

The 6,585 m long, two-lane Pfänder Tunnel on the A14 in Vorarlberg/Austria with an average daily frequency exceeding 30,000 vehicles is being provided with a second bore, which is also 2-lane, to...

A 2-lane bi-directional tunnel is being built for the Roveredo Bypass – with shoulders at both sides and 2 lay-bys. It has up to 3,000 m overburden and runs north with 0.8 % gradient lying in an arc...

The 3.7 km long Saas Bypass on the A28 national highway with the 2.6 km long, 2-lane Saaser Tunnel (= 69 % of the route) and the parallel 2.3 km long safety tunnel was opened on October 21, 2011...

The 3.3 km long Gubrist Tunnel is part of Zurich’s North Bypass between the communities of Weiningen and Regensdorf. The road tunnel began operating in 1985 and possesses two separate directional...

The Küblis Bypass scheme belongs to the Dalvazza-Selfranga project. Firstly the Klosters Bypass was opened in 2005 and then the Saas Bypass in 2011; now the 3,350 m long Küblis Bypass between...