Lanes reopened on Auckland’s Northwestern Motorway after van flips in crash

City-bound lanes have reopened after a van flipped on the Northwestern Motorway near Massey.

Video shows the van on its side with emergency services in attendance.

NZ Transport Agency says the accident happened on city-bound lanes about 11.50am.

The crash reduced city-bound traffic to one lane through Massey.

All lanes have now reopened, but delays are expected while congestion eases.

FINAL UPDATE 12:45PM
All lanes southbound on the Northwestern Mwy through Massey have RE-OPENED. Continue to expect delays city-bound while congestion eases. https://t.co/hrgoTg5Yiu

— NZ Transport Agency - Auckland & Northland (@nztaaklnth) August 26, 2025

Hato Hone St John was notified at 11.42am, a spokesperson said. Two people were assessed and treated at the scene.

Police said there were no reports of injury.