tunnel case studies

For in-depth information on how – and where - our products are being used, we urge you to check out the case studies below.

The Ryfylke tunnel, Norway

2013 saw the start of a major construction project – the Ryfylke tunnel, which opened to traffic just in time for the start of the new decade. This is the longest and deepest underground road tunnel in the world – 292 m below sea level – and it forms part of what is known as the Ryfast project.

Read more about The Ryfylke tunnel, Norway

New Tingstad Tunnel, Gothenburg

The Tingstad Tunnel under the Göta älv river consists of two sections, each with three lanes, connecting Hisingen with mainland Gothenburg. The traffic is heavy, with up to 3,500 vehicles an hour in each direction.

Read more about New Tingstad Tunnel, Gothenburg

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