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 the scheme’s main structure comprising 73 % of the entire Bypass route. It will accommodate two driving lanes with two-way traffic with a safety tunnel located at a distance of 30 m, which is linked to the main tunnel by means of cross-passages every 250 m. After two and a half years of excavation, the break-through took place in March 2013. This was followed up by initially developing the tunnel...

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Issue 07/2012 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...

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Issue 03/2011 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 05/2016 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 08/2014 Germany

Rastatt Tunnel commissioned

The Rheintalbahn (Rhine Valley Railway) is one of Germany’s busiest rail routes. It is extended on to four tracks mainly for the requirements of freight traffic running between the container ports in...

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Issue 03/2013 Austria

Redeveloping the Pfänder Tunnel

After commissioning the 2nd bore in mid-2012, the original 6,585 m long, twin-track bore of the Pfänder Tunnel was closed to traffic to be redeveloped. In late 2012, most of the construction jobs in...

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