NZ Transport Agency Waka Kotahi (NZTA) is advising road users of upcoming road surface reconstruction work on State Highway 1 (SH1) southbound between Northcote Road and Onewa Road.

This work will take place over approximately 9 nights when traffic is lower (10pm to 5am) between 13 and 30 October 2025 (excluding Friday and Saturday nights).

While work is being carried out the following traffic management will be in place:

• Sunday 12 October: southbound lane restrictions between Esmonde Road and Onewa Road. Esmonde Road on-ramp closed.
• Monday 13 to Thursday 30 October: full southbound closure between Northcote Road and Onewa Road. Northcote Road southbound on-ramp, Esmonde Road southbound off-ramp and on-ramp and Onewa Road southbound off-ramp will be closed. Detour via Northcote Road, Lake Road and Onewa Road.

Full closure on the below dates:

Week 1: Monday 13 to Thursday 16 October

Week 2: Sunday 19 October

Week 3: Tuesday 28 to Thursday 30 October

Contingency week: Sunday 2 November to Monday 3 November

Paving works are weather dependent and may change from advertised dates.

Bus services will be required to take the detour as well, please check the AT Journey Planner for estimated journey times. For real time updates, visit the Journey Planner.

NZTA thanks road users in advance for your patience as we carry out this important maintenance.

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