Drivers on the Picton to Christchurch route will need to use the Lewis Pass highway.
In order to stabilise a rock face north of Kaikōura at Ōhau Point, the NZ Transport Agency has scheduled a three day, daytime closure from Monday 6 August to Wednesday 8 August.
State Highway 1 between Clarence and Mangamaunu will be closed each day from 8am to 4pm.
During this time any people travelling between Picton and Christchurch will need to take the Lewis Pass/ Murchison route.
Please see details in the following media release https://www.nzta.govt.nz/media-releases/planned-three-day-daytime-closure-for-state-highway-1-north-of-kaikoura-early-august/ (external link)