Skansen Tunnel (Trondheim) on:
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The Skansen Tunnel () is an 
immersed tube
An immersed tube (or immersed tunnel) is a kind of undersea tunnel composed of segments, Modular construction, constructed elsewhere and floated to the tunnel site to be sunk into place and then linked together. They are commonly used for road an ...
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 l ...
in the city of Trondheim
Trondheim ( , , ; ), historically Kaupangen, Nidaros, and Trondhjem (), is a city and municipality in Trøndelag county, Norway. As of 2022, it had a population of 212,660. Trondheim is the third most populous municipality in Norway, and is ...
in Sør-Trøndelag
Sør-Trøndelag (; ) was a Counties of Norway, 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. ...
county, Norway
Norway, officially the Kingdom of Norway, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. The remote Arctic island of Jan Mayen and the archipelago of Svalbard also form part of the Kingdom of ...
. Part of Norwegian National Road 706, it runs from Brattøra
Brattøra is an artificial island and industrial area in the city of Trondheim which is located in Trondheim Municipality in Trøndelag county, Norway. The island is located at the mouth of the river Nidelva just north of the city centre ( Midtb ...
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