Evening commuters on Auckland's Northern Motorway are in for a slow ride home following a crash.
The accident is blocking the right and partially blocking the left north-bound lane of the just after Upper Harbour Highway on-ramp.
Traffic is moderate to heavy between Fanshawe St and Upper Harbour Highway.
One person is being airlifted to hospital after being injured in a collision between two cars on State Highway 1 south of Huntly.