Five people have been injured after a crash on SH58 in Paremata, near Porirua, Wellington.
All five have been taken to hospital, with two of the people in a serious condition.
Three others are in a moderate condition.
Police and a rescue helicopter were called to the scene around 8am.
SH58 has been closed in both directions near Judgeford Golf Club, with police are advising drivers to take SH1 and SH2 until the road is opened again.
Diversions are in place from the Hutt Valley intersection of SH2 and SH58 to the Pauatahanui roundabout.
Police are advising drivers to expect delays till at least midday today.