56m
The Mirror US on MSNWorld's longest tunnel cost $113m to build and takes 20 minutes to drive throughThe Lærdal Tunnel in Norway is an engineering marvel. It's nearly 16 miles long and includes cave-like rest areas to break up ...
The Gateway Development Commission, overseeing the new rail tunnel project beneath the Hudson River, is relying on $12 ...
The Lærdal Tunnel in Norway is the longest road tunnel in the world, stretching 24.5 kilometres beneath the Norwegian mountains and featuring an array of unique safety and comfort features ...
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