The Norwegian Public Roads Authority is building the first floating highway world.
The E39 Coastal Highway reduces the 21-hour journey time between the cities of Christian Sand in Norway and Trondheim in the north by at least half by eliminating seven different ferry lanes.
These passages are being replaced by new floating bridges, tunnels and pipes, dubbed the Coastal Road.
A project of this size and scale using floating tunnels has not yet been completed anywhere else in the world, and efforts to complete the historic road project will cost more than $ 47 billion.
Although the project is not expected to be completed by 2050, they have already begun their first construction of a floating tunnel called the Rogaland Fixed Link or Rogfast.
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