Road users should expect detours due to full southbound closures of State Highway 1 (SH1) between Silverdale interchange and Oteha Valley Road for night-time stormwater works.

Nightworks will take place between 9pm to 5am on the following dates:

• Week 1: Monday 19 to Thursday 22 October 
• Week 2: Tuesday 27 to Thursday 29 October 
• Week 3: Sunday 1 to Tuesday 3 November

The Silverdale southbound on-ramp and Oteha Valley Road southbound off-ramp will be closed during the works.

Please detour via Twin Coast Discovery Highway, Dairy Flat Highway and Oteha Valley Road.

These works are required to keep the network safe and reliable for all road users. Thank you in advance for your patience and support.

Works are weather dependent and may change. For real time updates go to the NZTA Journey Planner.