State Highway 2 heading northbound near Petone is closed after a single-vehicle crash.

Emergency services were called to the area at 5.17am.

One person has serious injuries and has received medical attention.

The Serious Crash Unit have been notified of the incident.

State Highway 2 southbound has one lane open, motorists should be advised of heavy delays in the area.

Police appreciate your patience during these delays.

ENDS

Source: NZ Police