Switzerland

Gubrist Tunnel, Third Bore

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 tubes each with two lanes. The tubes are connected with one another by means of 12 cross-passages set 300 m apart. On account of the significant increase in traffic on the North Bypass, it was decided to construct a third bore for the Gubris Tunnel. The scheme commissioned by the Swiss Roads Office (FEDRO/ASTRA) started with the ground-breaking ceremony on November 21, 2017.

The new 3310 m long tube...

Issue 2012-02 Switzerland

The 3.3 km long Gubris Tunnel is located in the Zurich North Bypass (A1/A4 North Ring) between the municipalities of Weiningen and Regensdorf. The road tunnel, which opened in 1985, has 2...

Issue 2018-05

Description of Project The new tube is a three-lane tunnel running parallel to the existing northern structure and is designed to cater for traffic heading from St. Gallen to Berne. The Gubrist third...

Issue 2022-03 Switzerland

Total Contract is Worth 177 Million Euros The total contract is worth 177 million euros. The project starts with preparatory work in autumn 2022 and will last about four years. The existing tunnel...

Issue 2013-05 Switzerland

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...

Issue 2018-05 Austria/Slovenia

On September 18, 2018, ASFINAG (Austrian Motorway Authority) heralded in the complete further development of the Karawanken Tunnel with the ground-breaking ceremony on the A 11 Karawanken motorway....

tunnel 03/2018

tunnel 03/2018

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