The tunnel is planned as a 27 km connection below the Boknafjord and Kvitsøfjord. A connection to Kvitsøy will be added. The project will be a world record with respect to length and maximum depth (390 m below sea level). The cost of the project is calculated to be NOK 13.8 billion, meaning €1.62 billion. The project has been approved by the by the Norwegian parliament, and the planned construction start is planned for 2015 and finished in 2023.