The NZ Transport Agency advise motorists in the Far North that a washout has closed State Highway 1 about 40 kilometres north of Kaitaia.
The washout, which happened mid-afternoon, is south of Pukenui between Whalers Road and Lamb Road.
There is no alternative route. Motorists will not be able to travel north to Pukenui and on to Cape Reinga or south from there to Kaitaia. Motorists are advised to delay their journeys in the Far North.
The washout is significant and the road will remain closed over the weekend.
The Transport Agency is working closely with Civil Defence, emergency services and local authorities on a response to support those in the area who may be affected.