People traveling on State Highway 1 (SH1) north of Auckland are advised to plan ahead, with overnight road closures scheduled between Monday 23 and Tuesday 24 June.

SH1 Silverdale to Orewa (northbound) – Monday 23 June

A full northbound closure will be in place for general maintenance between 9pm Monday 23 June and 5am Tuesday 24 June.

Motorists should use the recommended detour via Twin Discovery Coast Highway to Orewa interchange.

Heavy vehicles may need to use the old SH1 if they do not meet the weight restrictions at Grand Drive, Orewa.

SH1 Warkworth to Silverdale (southbound) – Tuesday 24 June

A full southbound closure will be in place for general maintenance between 9pm Tuesday 24 June and 5am Wednesday 25 June.

Motorists should use the recommended detour via old SH1 and Twin Coast Discovery Coast Highway to Silverdale interchange.

The southbound ramps will also be closed. Motorists are urged to follow the signposted detours.

Plan ahead

All work is weather dependent, and dates may change. For the latest updates, visit the NZTA Journey Planner.

NZTA thanks everyone for their patience while we undertake this important work to improve the safety and efficiency of SH1 north of Auckland.