Police have named the man killed when a vehicle rolled on State Highway 1 yesterday as Gamini Vithanage.
The 56-year-old from Putaruru was approximately 5km south of the south Waikato town when the accident happened.
Investigations into the cause of the crash are ongoing.
Police earlier said two cars crashed head-on about 6pm and one driver died at the scene.
The second driver, also male, received moderate injuries and was taken to hospital.