Northland state highway maintenance programme

Saturday 17 January to Friday 23 January

16 January 2026

SH10 Oromahoe road rebuild in progress, pictured is the overlay being installed

Kia ora and welcome

Welcome to the Northland state highway roadworks update.

In this e-newsletter, we share updates on maintenance and renewal roadworks across the state highway network from Topuni to Te Reinga Wairua (Cape Reinga).

Stay updated on road conditions before you travel at:  https://journeys.nzta.govt.nz/.

Ngā mihi nui,
The NZTA Northland/North Auckland team

Upcoming roadworks

State highways with scheduled works this week:

• SH1 – Mangamuka, Waiomio, Ōtaika, Oakleigh, Te Hana to Kaiwaka
• SH10 – Mangōnui to Kaeo, Kaeo to Waipapa, Oromahoe
• SH12 – Ruawai
• SH14 – Tangowahine, Maunu
• SH15 – Tautoro to Titoki

Roadworks may be postponed due to rain or other factors that disrupt the weekly schedule.

Please be aware that there may be other less disruptive state highway works not listed in this newsletter.

Check the NZTA Journey Planner for the latest travel information and journey times before starting your journey: https://journeys.nzta.govt.nz/​.

Information current as at 8:42am on 15 January 2026.

State Highway 1 - Kawakawa to Cape Reinga

SH1 Mangamuka Gorge (southern side)
Retaining wall construction to repair a slip is underway until late May 2026. A 24/7 one-lane closure with stop/go traffic management and speed restrictions are in place.

SH1 Mangamuka
Drainage enabling work in preparation for a road rebuild is underway until Friday 30 January, from 7am to 6pm. Stop/go traffic management and speed restrictions are in place with a one-lane closure.

State Highway 1 – Whangārei to Kawakawa

SH1 Waiomio (Long Hill)
Slip repairs are underway until early March 2026, from 7am to 5pm. The southbound crawler lane is closed in the passing area, and speed restrictions are in place. Both directions remain open.

SH1 Ōtaika, near Rewa Rewa Road
Resurfacing work will take place from Tuesday 20 January to Thursday 22 January, from 8pm to 5am. Stop/go traffic management or temporary traffic lights and speed restrictions will be in place with a one-lane closure.

State Highway 1 – Wellsford to Whangārei

SH1 Oakleigh, near Marusumi Road
Resurfacing work will take place on Monday 19 January and Tuesday 20 January, from 8pm to 5am. Stop/go traffic management or temporary traffic lights and speed restrictions will be in place with a one-lane closure.

SH1 Oakleigh, near Mangapai Road
Resurfacing work will take place on Tuesday 20 January, from 8pm to 5am. Stop/go traffic management or temporary traffic lights and speed restrictions will be in place with a one-lane closure.

SH1 Te Hana to Kaiwaka
Resurfacing work will take place from Monday 21 January to Friday 23 January, from 8pm to 5am. Stop/go traffic management or temporary traffic lights and speed restrictions will be in place with a one-lane closure.

State Highway 10

SH10 Mangōnui, near Oparihi Road
Road rebuild works are underway until Friday 13 February, from 7am to 6pm. Stop/go traffic management or temporary traffic lights and speed restrictions are in place with a one-lane closure.

SH10 Mangōnui to Kaeo
Resurfacing work will take place from Monday 19 January to Friday 23 January, from 7am to 6pm. Stop/go traffic management or temporary traffic lights and speed restrictions will be in place with a one-lane closure.

SH10 Kaeo to Waipapa
Resurfacing work will take place from Monday 19 January to Friday 23 January, from 7am to 6pm. Stop/go traffic management or temporary traffic lights and speed restrictions will be in place with a one-lane closure.

SH10 Oromahoe (north of Oromahoe Road to south of Porotu Road)
Road rebuild works will take place on Saturday 17 January from 7am to 2pm under stop/go traffic management and speed restrictions.

From Monday 19 January to Friday 30 January, SH10 at Oromahoe will be fully closed during the day from 7am to 7pm and reopen each night. A detour is available via Old Bay Road and Te Ahu Ahu Road (allow 5–10 extra minutes). Residents and businesses will have access at all times. The road will be fully open from Saturday 24 to Monday 26 January for Northland/Auckland Anniversary.

State Highway 11

No significant works scheduled for this week.

State Highway 12

SH12 Ruawai, near Galvin Road
Road rebuild work is underway until Friday 13 February, from 7am to 6pm. Stop/go traffic management or temporary traffic lights and speed restrictions are in place with a one-lane closure.

State Highway 14

SH14 Tangowahine
Road rebuild work will take place from Tuesday 20 January to Friday 13 February, from 7am to 6pm. Stop/go traffic management or temporary traffic lights and speed restrictions will be in place with a one-lane closure.

SH14 Maunu, near Austin Road
Resurfacing work will take place on Wednesday 21 January, from 8pm to 5am. Stop/go traffic management or temporary traffic lights and speed restrictions will be in place with a one-lane closure.

State Highway 15

SH15 Tautoro to Titoki
Resurfacing work will take place from Monday 19 January to Friday 23 January, from 7am to 6pm. Stop/go traffic management or temporary traffic lights and speed restrictions will be in place with a one-lane closure.

More information

For more information on the Northland/North Auckland state highway maintenance programme, contact us at info@nzta.govt.nz or 0800 4 HIGHWAYS (0800 444 449)

Visit our website nzta.govt.nz/northland-state-highway-maintenance

View our state highway maintenance frequently asked questions

For information about what's happening with other infrastructure projects across the region visit Northland projects website