Four people were taken to hospital after their car rolled on State Highway 1 north of Wellington.
Two were in a serious condition and two had moderate injuries, a Wellington Free Ambulance spokesman said.
The crash happened at 6:15pm this evening on the Centennial Highway, south of Ngauranga Gorge.
The accident scene has been cleared with no serious traffic delays, a police communications spokesman said.
Only one car was believed to be involved in the accident.
It had been heading south towards Wellington when it rolled.
- The Dominion Post