Short description
Upgrades will be carried out for the electrical and technical control installations, site and construction engineering in the Damsgård and Nygård tunnel.
The Damsgård tunnel is 2342/2360 metres long and was opened in 1993.
Tunnel profile: 2 x T9.5
Free height 4.5 metres
Width: 2 X 3.25 m (driving lane width)
Maximum gradient: 1 %
Average annual daily traffic/AADT 2020: 42,000
Portion of heavy traffic: 9%
Speed limit: 80 km/h, 70 and 50 km/h for the exit facing east
The Nygård tunnel is 865 metres long and was opened in 1999.
Tunnel profile: T9.5
Free height 4.5 metres
Width: 2 X 3.25 m (driving lane width)
Max gradient: 5 %
Average annual daily traffic/AADT: 100,000
Portion of heavy traffic: 8%
Speed limit: 60 km/h