The NZ Transport Agency advises that State Highway 2 has been closed at Ngauranga to northbound traffic due to a crash. Southbound traffic is unaffected.
The closure is expected to be in place for around two hours.
A diversion is in place is place via SH58. Motorists travelling north are advised to allow extra time for their journeys, or to delay their travel.
The NZTA thanks motorists for their patience and understanding.