Norway Designing the World’s First Underwater Suspended Tunnel
Norway’s not the first place to come to mind when thinking about feats of engineering greatness. But in the coming years, the country could potentially boost its reputation with a giant new tunnel project.
Norway’s already home to the longest road tunnel in the world, so it makes sense that the country would want to take that a step further. The proposed tunnel would run a little over 500 miles from one of its southernmost cities (Kristiansand) to a northernmost one (Trondheim), but below the surface of the Norwegian Sea. It would consist of large Chunnel-like suspension tubes, hanging 100 feet below the surface of the water. Each tunnel would be equipped to manage two lanes of traffic and have two sides—each going in a separate direction.
The project’s still in its infancy, so there’s no official word from the Norwegian Public Roads Administration word on whether it’s a go just yet, but it’s projected to cost an estimated $25 billion and would be completed by 2035.
Take a look at a conceptual rendering of the tunnel below.
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