Norway’s $47BN Coastal Highway | The B1M
Norway’s $47BN Coastal Highway | The B1M31 Aug 2018

IN a bid to increase connectivity along the E39 road on Norway’s west coast, engineers are planning to construct a number of fjord crossings, some of which could be built as "submerged floating tunnels" (SFTs). 
Upgrading the E39 is set to be the largest infrastructure project in Norway’s history, and work is already underway on the Rogfast link at Boknafjorden - the world’s longest and deepest undersea road tunnel...More 
 YouTube Video