It's forced traffic to be diverted along the Wellesley St exit.
Diversions are being put in place and motorists are warned to expect delays.
The start to this year has seen a grim time on our roads.
A young woman died and two people were injured when a vehicle rolled on Muriwai Beach on Sunday.
In total, the highway was expected to be closed for about nine weeks.
One of the riders died at the scene.
The holiday road toll in the 2022/23 Christmas-New Year holiday period was 21.
One fiery crash in Christchurch killed two and put a further three people in hospital.
The crashes occurred in the Coromandel and Christchurch.