The Karmøy Tunnel is a subsea road tunnel under construction in Karmøy

Karmøy

Karmøy is a municipality in Rogaland county, Norway. It is located southwest of the city of Haugesund in the traditional district of Haugaland....

 and Tysvær

Tysvær

Tysvær is a municipality in Rogaland county, Norway. It is part of the region of Haugaland. The municipality is located at the northern side of Boknafjord, east of Karmøy. Tysvær has a population of 9,349 and an area of 419 km². Aksdalsvatnet is a lake in this municipality.Local...

, Norway

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

. 8.9 kilometres (5.5 mi) long, it will link Karmøy with European Route E39

European route E39

E 39 is the designation of a 1330 km long north-south road in Norway and Denmark, running from Klett just south of Trondheim to Aalborg, via Orkanger, Vinjeøra, Halsa ... Straumsnes, Krifast, Batnfjordsøra, Molde ... Vestnes, Skodje, Ålesund ... Volda ... Nordfjordeid ... Sandane, Førde,...

 and will be the longest subsea tunnel in Norway. At Fosen there will be an underground roundabout

Roundabout

A roundabout is the name for a road junction in which traffic moves in one direction around a central island. The word dates from the early 20th century. Roundabouts are common in many countries around the world...

 which will allow access towards Haugesund

Haugesund

is a town and municipality in the county of Rogaland, Norway.-Location:Haugesund was separated from Torvastad as a town and municipality of its own in 1855. The rural municipality of Skåre was merged with Haugesund on January 1, 1958. Haugesund is a small municipality, only 73 km²...

. It is part of the T-Link

T-Link

The T-Link is a road project under construction in Rogaland, Norway. It consists of the long Karmøy Tunnel, which will connect the island of Karmøy with European Route E39 in Tysvær, and a section of road from a roundabout in the tunnel north to Haugesund...

 project, which is a toll road

Toll road

A toll road is a privately or publicly built road for which a driver pays a toll for use. Structures for which tolls are charged include toll bridges and toll tunnels. Non-toll roads are financed using other sources of revenue, most typically fuel tax or general tax funds...

and scheduled to open in 2013.