The current estimate for completion is 2033 at a cost of 1.6 billion pounds. The total coastal road project is estimated to cost 36 billion pounds.
The exit tunnel loops around to climb to the surface with a reasonable grade. The roundabouts and the cross tunnel at the exit also allow traffic in both directions to share one tube in case there is a problem in the other tube.
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| telegraph "Norway is building a four-lane undersea tunnel that is set to become the world’s longest and deepest." [This web site erroneously has images of a floating tunnel.] |
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| 4:41 video @ 1:06 |
The exit tunnel loops around to climb to the surface with a reasonable grade. The roundabouts and the cross tunnel at the exit also allow traffic in both directions to share one tube in case there is a problem in the other tube.
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| 4:41 video @ 3:07 |
Unfortunately, this is an example of how wrong internet-obtained information can be. As some comments point out, the illustration is wrong because they are not building a floating tunnel. It is being built through the bedrock. But other tunnels in this coastal road project do float.
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| Crazy For Facts posted |
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