The Stadhavet Sea is the most exposed and dangerous area along the coast of Norway.
High resolution photos of Stad Ship Tunnel is available here. Please credit the Norwegian Coastal Administration upon use.
The Kråkenes lighthouse, just south of Stad, is the meteorological weather station with the most stormy days, which can be anything from 45 to 106 days per year. The combination of wind, currents and waves around this part of the coastline make this section a particularly demanding part of the Norwegian coast.
The combination of sea currents and subsea topography creates particularly complex and unpredictable navigational conditions. Very high waves come from different directions at the same time and can create critical situations. The conditions also cause heavy waves to continue for a number of days once the wind has died down. This causes difficult sailing conditions even on less windy days.
The aim of the project is to improve accessibility and safety for shipping past Stad.
Studies in 2000-2001 and 2007-2008 have analysed a number of alternative cross sections and routes for the tunnel. The final route has been selected because the Stad Peninsula is at its narrowest point here, and at the same time the waters are sufficiently shielded to allow shipping to use the tunnel in the majority of weathers.
Studies as a foundation for the selection of the route and cross section took place in connection with the concept selection report (KVU) and the subsequent external quality assurance process KS1.
In connection with White Paper 26 (National Transport Plan 2014-2023), the Storting opted to proceed with the large tunnel alternative.
Undergoing final Quality Assurance
The final quality assurance phase, referred to as KS2, began in September 2017 and will be completed in late spring of 2018.
NCA will build the world’s first ship tunnel
It is now formally stated that Stad Ship Tunnel is part of the Norwegian National Transport Plan (NTP) in the period of 2018 to 2029. This paves the way for the Norwegian Coastal Administration efforts to build the world's first full-scale ship tunnel.
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