At least seven people have died on the country's roads this weekend.
The latest known fatal accident happened this afternoon near Carterton.
Emergency services were called to the single-vehicle car crash, on Perrys Rd between East Taratahi Rd and Francis Line, about 5.30pm.
Masterton Sergeant Peter Rix said a man had been flung from the car and suffered significant injuries that proved fatal, despite attempts by paramedics to rescuscitate him.
Earlier in the Bay of Plenty, one person died and four others were injured in a two car crash on State Highway Two near Katikati, about 3.30pm.
St John transported five people to Tauranga Hospital by ambulance.
The age and gender of the person killed have not yet been made public.
Earlier in the day, one person died and two were seriously injured north of Kaitaia when a four-wheel-drive ute crashed into a paddock.
That happened about 9.30am, just hours after a member of the public found the body of a 19-year-old British man who had been flung from his car near Mangakino in the central North Island.