State Highway 1 has reopened following a two-vehicle crash that left five people seriously injured between Cambridge and Tirau this morning.
Emergency services were alerted to the crash about 5.30am.
Three people suffered serious injuries and two people were critically injured, police said.
The road was closed for several hours and reopened about 11.30am.
A witness on the scene moments after the crash, who would not be named, said both vehicles looked badly damaged.