Auckland Police are attending a crash on the Northern Motorway near Pinehill.
Police were called at 5:25AM this morning after two trucks crashed.
The two drivers suffered minor injuries.
The road is expected to be blocked for some time between Greville Road and Upper Harbour Highway.
One southbound lane is reopened while the others are blocked and may be for some time while the trucks are cleared.
Police advise motorists to avoid the area if possible and thank the public for their patience.
Issued by Police Media Centre