A person has been seriously injured in a crash that is causing rush hour traffic chaos on Auckland's north-western motorway this afternoon.
Emergency services are the scene of the car crash just before the Great North off-ramp.
A St John spokeswoman said one person suffered serious injuries and would be taken to Auckland City Hospital.
Four other people have minor injuries and are currently being looked at by staff at the scene.
The accident happened at about 3.45pm.