Construction of the 40-metre long wall to prevent the road slipping away will be complete by about mid-August.
Traffic through the site, which is about 11 kilometres east of Manunui, will be down to one lane at 30km/h with traffic lights or Stop/Go traffic management for the duration of the project.
Waka Kotahi thanks motorists for their patience.
Plan ahead for a safe, enjoyable journey this summer. Keep up to date with:
- Traffic updates: nzta.govt.nz/traffic
- Facebook: facebook.com/NZTAWaikatoBoP
- Twitter: twitter.com/WakaKotahiWaiBP
- Journey planner: journeys.nzta.govt.nz
- Phone: 0800 4 HIGHWAYS (0800 44 44 49)