Norway wants to build the world’s first underwater floating tunnel for £19 billion

underwater-tunnel

The west side of Norway is made up of 1,190 fjords, which, while beautiful, make it very hard to travel along the country’s coastline.

Currently, the drive from the southern city of Kristiansand to Trondheim in the north takes an excruciating 21 hours and requires seven ferry crossings.

To make that drive easier, the Norwegian Public Roads Administration (NPRA) has proposed the world’s first underwater floating tunnel, which would be submerged in the Norwegian Sea. It is predicted to cost $25 billion (around £19 million) to build,according to Wired.

The tunnel is part of a series of proposed solutions for the Route E39 coastal highway devised by the NPRA.

Here is how it looks:

The floating underwater tunnel would consist of two 4,000-foot-long, curved concrete tubes, submerged 66 feet below the surface of the Norwegian Sea.

The floating underwater tunnel would consist of two 4,000-foot-long, curved concrete tubes, submerged 66 feet below the surface of the Norwegian Sea.

 

No floating underwater tunnel like this has ever been built before.

No floating underwater tunnel like this has ever been built before.

The tunnels would enter the bedrock beneath the fjord on each side.

The submerged tubes would be steadied by being attached to pontoons on the surface of the sea.

There would be wide gaps between the pontoons to allow ferries to pass through.

This solution is reminiscent of the Øresund which connects the Danish capital of Copenhagen to the Swedish capital of Malmö.

The towers on each end of this world record-breaking suspension bridge would stand at 1,476 feet tall — 492 feet higher than the Eiffel Tower.

 

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