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Road resurfacing works along State Highway 1 in Kamo

Project Introduction

Our teams maintain 932km of state highways in Northland and North Auckland from north of Woodhill and Warkworth to Cape Reinga. To maintain a safe and accessible state highway network to support economic growth, NZTA undertakes an annual road renewal programme each summer.

Sign up for state highway maintenance updates

Sign up for email updates on Northland and North Auckland state highway maintenance, directly to your inbox:

Northland state highway maintenance updates(external link)

North Auckland state highway maintenance updates(external link)

Why we are changing to digital updates

From the end of March 2025, we’re shifting from hand-delivered letters to email updates (along with social media updates for major works or incidents) as our primary way of notifying you about state highway maintenance and renewals in Northland and North Auckland.

Shifting to digital updates will allow us to:

  • Reach a wider audience more efficiently
  • Provide faster updates, especially for last minute schedule changes
  • Reduces the physical risks to our teams

Our November 2024 survey results support moving to digital updates as the primary way to notify road users. While letter drops remain effective (34% rated them highly), they were also among the most negatively rated methods (38% in the bottom two), indicating that while useful, they are not the most efficient or preferred method. Social media and email ranked among the most preferred ways to receive updates, and 71% of respondents said that delays and detours were their biggest concern.

View the survey results here:

Northland/North Auckland works notification survey infographic [PDF, 123 KB]

For high-impact works, we’ll consider the need for letter drops and targeted engagement with businesses. This could be either as a standalone activity or tied into other work programmes in the area.

Latest traffic information

We do our best to stick to planned dates for state highway maintenance work, but weather, unforeseen circumstances, or other factors may cause changes. Before heading out, check the NZTA Journey Planner for the latest updates on travel times, traffic cameras, roadworks, delays, and closures so you can plan ahead before getting out on the road.

Journey Planner – Northland updates(external link)

How to be safe around roadworks

Our contractors carry out the maintenance work across Northland and North Auckland on behalf of NZTA, so you will likely see their crews when you’re out travelling through the region.

Kia Tupato Ki Nga Kaimahi – please watch out for any road workers. We care about our team and believe everyone has the right to return home to their whanau at the end of the day.

Always reduce your speed, adhere to the temporary speed limits and follow the traffic management directions at our work sites.

It’s important to slow down through newly sealed sections of road because small chips can be flicked up from the road surface and damage vehicles – especially windscreens. That’s why we often keep temporary speed limits in place even after it looks like the work has been completed. As well as safety, the temporary speed limit also helps ensure the quality of the reseal. Travelling at the posted temporary speed limit allows for the chips to be embedded into the road surface and for them to remain in place as the seal cures.

Please be patient with our crews as they set up and pack down work sites including placing or removing cones and signage. Overtaking these working vehicles can be dangerous to our teams on the trucks but also to vehicles travelling in the opposite direction.

If you have any concerns or require information about works in your area call 0800 4 HIGHWAYS (0800 444 449).