Truck crash blocks northern motorway

A crashed truck has blocked both southbound lanes of Auckland's northern motorway.

A fire service spokeswoman said it wasn't clear whether the truck had collided with another truck or car.

The accident happened between Constellation Dr and Tristram Ave about 1pm.

The spokesman said no-one needed to be cut from their vehicles and they left soon after attending.

Police refused to comment on the accident.

Ambulance staff and tow truck operators were at the scene.

The crash is understood to be causing significant traffic delays.  

Auckland Now