Skansen Tunnel (Trondheim) on:
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The Skansen Tunnel ( no, Skansentunnelen) is an 
immersed tube
An immersed tube (or immersed tunnel) is a kind of undersea tunnel composed of segments, constructed elsewhere and floated to the tunnel site to be sunk into place and then linked together. They are commonly used for road and rail crossings of ...
underwater tunnel
An underwater tunnel is a tunnel which is partly or wholly constructed under the sea or a river. They are often used where building a bridge or operating a ferry link is unviable, or to provide competition or relief for existing bridges or ferry li ...
in the city of Trondheim
Trondheim ( , , ; sma, Tråante), historically Kaupangen, Nidaros and Trondhjem (), is a city and municipality in Trøndelag county, Norway. As of 2020, it had a population of 205,332, was the third most populous municipality in Norway, an ...
in Sør-Trøndelag
Sør-Trøndelag () was a county comprising the southern portion of the present-day Trøndelag county in Norway. It bordered the old Nord-Trøndelag county as well as the counties of Møre og Romsdal, Oppland, and Hedmark. To the west is the No ...
county, Norway
Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and t ...
. Part of Norwegian National Road 706
National Road 706 ( no, Riksvei 706) is a road running through Trondheim, Norway. It runs from the E6 at Sluppen, runs along Osloveien and then the Marienborg Tunnel to Ilsvika, then runs through Nordre avlastningsvei, including the Ilsvika ...
, it runs from Brattøra
Brattøra is an artificial island in the city of Trondheim in Trøndelag county, Norway. The island is located at the mouth of the river Nidelva just north of the city centre ( Midtbyen), west of Nyhavna, and south of Trondheimsfjord. There is a ...
to Ila. The tunnel is long and opened on 27 May 2010.
References
External links
* Road tunnels in Trøndelag Subsea tunnels in Norway Tunnels completed in 2010 Norwegian National Road 706 {{Norway-tunnel-stub