Küblis bypass

The street leads underground on the left side of the slope past Küblis (the excavation in the center of the picture already belongs to the Saas bypass )

The Küblis bypass on Hauptstrasse 28 in the canton of Graubünden is the third major bypass in the Prättigau after the Klosters bypass and the Saas bypass . It relieves Küblis of through traffic and is part of the expansion project for Nationalstrasse 28 .

Preliminary work on geological clarification began in 2008, while drilling started in Dalvazza in 2009. The centerpiece of the bypass is the Küblis Tunnel , construction of which began in 2010 and the Küblis bypasses over a length of 2255 meters in the north. The bypass was opened to traffic traveling in the opposite direction on June 30, 2016.

The total cost of the project is estimated at 210 million Swiss francs.

See also

• List of Swiss tunnels
• Bypass Saas
• Klosters bypass

Web links

• Graphic representation and brief information from the Graubünden Civil Engineering Office
• Detailed information from the Graubünden Civil Engineering Office (PDF file; 340 kB)
• Detailed information from the Graubünden Civil Engineering Office on the opening of the Küblis bypass in June 2016 (PDF file)