A crash involving a truck is causing delays on the Southern Motorway, while three people - two in serious conditions - were taken to hospital after collisions elsewhere in Auckland.
The Southern Motorway crash took place just before 8.45am, blocking city-bound lanes between the Hill Rd on-ramp and the Orams Rd overbridge, according to the NZ Transport Agency.
By 9.20am two lanes had been re-opened - but traffic is congested from Drury to Manukau. Motorists are asked to delay their journey or choose a different route.
There are reports of minor injuries from the crash, with police, fire and ambulance crews all at the scene, a police spokeswoman said.
A tow truck is moving the vehicles off the road.