The Tromsøysund Tunnel () is an undersea highway tunnel in

Tromsø Municipality Tromsø Municipality is a List of municipalities of Norway, municipality in Troms county, Norway. The administrative centre of the municipality is the Tromsø (city), city of Tromsø. Other notable settlements in the municipality include the vi ...

Troms Troms (; ; ; ) is a Counties of Norway, county in northern Norway. It borders Finnmark county to the northeast and Nordland county in the southwest. Norrbotten Län in Sweden is located to the south and further southeast is a shorter border with ...

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 ...

. The tunnel runs under the Tromsøysundet strait, connecting the island of

Tromsøya or is an island in Tromsø Municipality in Troms county, Norway. It lies in the Tromsøysundet strait between the mainland and the larger island of Kvaløya. The city of Tromsø is located on the island, which has 39,882 residents. The isla ...

(and the city of Tromsø) with the mainland suburb of

Tromsdalen or is an urban neighborhood in the Tromsø (city), city of Tromsø which is in Tromsø Municipality in Troms county, Norway. It is located just to the east of the city centre on the mainland along the coast of the Tromsøysundet strait. The v ...

. The tunnel is part of European route E08, (whose northern terminus is on the island itself) and it consists of two tubes, each with two driving lanes. The two tubes are not equal in length; one tube is long and the other is long. The lowest point in the tunnels is below

sea level Mean sea level (MSL, often shortened to sea level) is an mean, average surface level of one or more among Earth's coastal Body of water, bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical ...

, and the maximum

grade Grade most commonly refers to: * Grading in education, a measurement of a student's performance by educational assessment (e.g. A, pass, etc.) * A designation for students, classes and curricula indicating the number of the year a student has reach ...

is 8.2%. The two tubes are linked by 15 service-tunnels. The tunnel opened on 3 December 1994 to relieve Tromsøya's only other mainland connection, the

Tromsø Bridge The Tromsø Bridge () is a Cantilever bridge, cantilever road bridge in the Tromsø (city), city of Tromsø which is located in Tromsø Municipality in Troms county, Norway. It crosses the Tromsøysundet strait between Tromsdalen on the mainland a ...

, which had been plagued by severe traffic congestion for more than a decade. The tunnel is located to the north of the bridge; on the island side it emerges just below the

University of Tromsø The University of Tromsø – The Arctic University of Norway ( Norwegian: ''Universitetet i Tromsø – Norges arktiske universitet''; Northern Sami: ''Romssa universitehta – Norgga árktalaš universitehta'') is a state university in Norway a ...

and the University Hospital of North Norway, both major sources of traffic between the island and the mainland; on the mainland side it emerges at Tomasjord, which is centrally located between the densely populated suburbs of

and Kroken.

References

External links

* {{DEFAULTSORT:Tromsoysund Tunnel 1994 establishments in Norway Buildings and structures in Tromsø Roads within the Arctic Circle Road tunnels in Troms Subsea tunnels in Norway Tunnels completed in 1994

See also

References

External links