UPDATE: State Highway Two is now open following a serious crash at Tahawai, north of Katikati.

Police were called to the two-car crash at the intersection of Kauri Point Road at 8.44am.

One person has been critically injured in the crash and two others have received moderate injuries and have all been transported to hospital.

Police say due to the crash SH2 is experiencing heavy congestion and traffic management is in place.

Emergency services are still at the scene.

Motorist have been asked to avoid the area or delay your journey if possible.

EARLIER: State Highway Two is closed at Tahawai, north of Katikati, following a serious crash.

Police were called to the two car crash at the intersection of Kauri Point Road at 8.44am.

One person has been critically injured in the crash and two others have received moderate injuries.

"They are all being transported to hospital," says Senior Sergeant Glenn Saunders.

"The Serious Crash Unit is on its way to the scene and as a result the road has been closed in both directions and is likely to remain shut for several hours."

There are no diversions in place so police ask that motorists avoid the area and thank people in advance for their patience.