The project concerns total renovation and expansion of the current Haumyrhei Tunnel, located along E18 east of the city centre in Kristiansand kommune [Kristiansand municipality]. The tunnel is a dual carriageway tunnel with a total of 4 lanes and a length of approx. 350 metres.

The project concerns total renovation and expansion of the current Haumyrhei Tunnel, located along E18 east of the city centre in Kristiansand kommune [Kristiansand municipality]. The tunnel is a dual carriageway tunnel with a total of four lanes and a length of approx. 350 metres.