News from NZ Police at 2.29pm
Motorists are warned to expect delays after a truck overturned on State Highway 1 at the Plimmerton roundabout.
The left hand lane of the two-lane roundabout is closed after the truck, which was transporting a digger, overturned at about 1.20pm.
Emergency services are at the scene. There are no reports of any injuries.
The lane is expected to be closed for at least two hours while cranes are brought in to clear the vehicles. Traffic is moving but motorists are advised to expect delays as commuter traffic builds.
UPDATE at 4pm
The road is now clear but congestion is continuing.