Tunnels completed in 2020

railway tunnel

The Eysturoy Tunnel (, previously known as ) is a large undersea road tunnel under the sound in the Faroe Islands, connecting the island of Streymoy to the island of Eysturoy. It also crosses the southern part of , and connects the towns of Runavík on the eastern side and Strendur on the western side of the fjord, and includes the world's first undersea roundabout in the middle of the network.