Settlers Road in Reporoa, near the intersection with State Highway Five, is closed following a serious crash.
Police were called to the two car crash at 6:30pm. One person is being transported to hospital via helicopter in a critical condition.
Settlers Road is closed while the Serious Crash Unit investigates.
Diversions have been put in place at Reporoa and Broadlands Roads.
Police thank motorists in advance for their patience.
Issued by Police Media Centre