Switzerland

Küblis Bypass: More than 60 % of Tunnel excavated

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 Dalvazza and Prada in the Canton of Graubünden is being produced to relieve the town of through traffic. 73 % of the route will be tunnelled. The Küblis Tunnel starts in the west of Dalvazza, passing beneath the Rhaetian Railway (RhB) route. It runs through the Parsaura ridge and the floor of the Schanielatobel before linking up with the road system towards Klosters. In the process the tunnel rises by...

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Issue 2011-03 Switzerland

Küblis Bypass: Tunnelling starts

Extensive preliminary work on the 3,350?m long Küblis bypass tunnel in the Canton of Grisons, including the Dalvazza pilot cut (2009/2010) for the portal zone, preparations for actual tunnelling and...

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Issue 2014-05 Switzerland

Küblis Bypass: Tunnel Roughwork completed

The 3350 m long Küblis Bypass between Dalvazza and Prada in the Canton of Graubünden is intended to relieve the municipality of through traffic on the A28 national highway. The 2255 m long tunnel is...

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Issue 2016-05 Switzerland

Küblis Tunnel opened after Eight Years of Construction

At the end of June 2016, the 3350 m long Küblis bypass between Dalvazza and Prada was opened to traffic in the Canton of Graubünden in Switzerland. As a result the municipality Küblis has been...

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Issue 2012-02 Switzerland

Saaser Tunnel – Saas Bypass opened

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...

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Issue 2010-02 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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