Police are currently attending a serious crash between two vehicles on a section of State Highway 1 near Moerewa.
The crash was reported at about 2.40pm.
One occupant is in a serious condition with two other people sustaining minor injuries.
State Highway 1 is currently closed near Moerewa. The Serious Crash Unit will examine the scene.
At this stage traffic is being diverted through Paihia, though further diversions are expected to be put in place later this afternoon.