The occupants of the second northbound vehicle were uninjured, but the driver was taken to hospital by ambulance to be assessed.
Police said it was unknown what caused the crash at this stage, and the serious crash unit was investigating.
Officers were still speaking to witnesses and a scene examination was being conducted.
The crash was the second road fatality in Taranaki in as many days.
Te Kuiti man George Crombie, 60, died when the car he was driving collided with an Intercity bus on State Highway 3 at Awakino about 12.30pm yesterday.
Police have urged motorists travelling through Taranaki to take extra care on the roads and be vigilant of the conditions and other road users.