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Ōtaki to north of Levin update – 21 February 2023

Waka Kotahi, Muaūpoko Tribal Authority and local hapū of Ngāti Raukawa ki te Tonga are working together to create a positive legacy for the region while we build a new, safer and more reliable State Highway 1 from Ōtaki to north of Levin.

Thank you to everyone who has attended our events this month or talked to us with questions relating to the project and RMA application documents. Our rescheduled events are going ahead this week and we’ve put together some answers to questions we’ve been asked at recent events.

Submissions are still open through Horizons Regional Council until 28 February 2023.



Wednesday’s drop-in session is at Te Takeretanga o Kura-hapu-pō, where you can also view the application documents.


Levin and Ōtaki drop-in sessions this week

We are hosting two drop-in sessions this week.

Please join us in Levin or Ōtaki to find out more about the new highway and walking and cycling path:

  • Wednesday 22 February - 4pm-7pm, Te Takeretanga o Kura-hau-pō, Levin
  • Thursday 23 February - 2pm-5pm, Ōtaki Memorial Hall supper room

These events were rescheduled following the effects of Cyclone Gabrielle last week.

If you have questions or are unable to attend these sessions, please contact us on 0508 625 4636 or

Submissions on the RMA applications are now open through Horizons Regional Council. Submissions can support, oppose or be neutral to all or parts of the applications.

Submissions must be received by Horizons Regional Council by 4.45pm on 28 February 2023.



An example of a truck wheel wash to help prevent the spread of construction material onto local roads.


Frequently asked questions

Through our conversations with the public and stakeholders over the last month, we have identified some common themes in your questions and concerns.

Answers to a few of these questions are here, and we have updated the frequently asked questions on our website. In particular, we are getting questions on how effects of construction will be managed as well as some local road connections.

We explore most of these issues further in the Non-Technical Summary of the documentation and assessments of effects on the environment that have been undertaken as part of the Resource Management Act 1991 (RMA) regulatory process for the Ō2NL new highway and shared user path.

There’s also information on posters at our drop-in sessions, which you can also find on our website.

The updated FAQs are available on our website.

Some commonly asked questions from our public drop-in sessions:

Will Tararua Road connect directly with the existing SH1 when the new highway is open?
As part of the Ō2NL project we are proposing a significant upgrade of this intersection and level crossing. The proposed design connects Tararua Road straight across the railway to form a new T intersection with the existing SH1. With this design, the current level crossing would be relocated southwards and would entail coordinated signalisation of the intersection with the level crossing, new right and left turn bays on Tararua Road and on the existing SH1 and separate walking and cycling facilities across the railway line. We are working closely with KiwiRail and Horowhenua District Council on this intersection.

How is construction dust managed and what happens if dust comes onto my property?
This will be managed using usual dust mitigation measures including:

  • Water spraying on site and on haul roads to manage dust from earthworks
  • Wheel wash and cover e.g., over trucks on vehicles travelling on public roads
  • Progressively stabilising exposed earthwork areas through rolling, mulch, planting, or other methods
  • Careful management of equipment and working areas, and of construction traffic activity (on and off site)
  • Keeping in touch with adjacent property owners to identify potential issues at an early stage and ensure ‘no surprises’

A Management Plan will be prepared that includes how these measures will be implemented and delivered. This Management Plan will be prepared later by the constructors and will be checked by the Regional Councils who will require constructor compliance.  Despite these measures, there is a chance that some dust may travel beyond the boundary of the Ō2NL construction area in particular wind and weather conditions. Should this occur we will consider if further action is needed, such as:

  • assessing water supply for rain roof water collection systems and effects on water filters
  • laundry and or house cleaning
  • assessing and watering /washing down plants or solar panels as needed

The Management Plan will also include a complaints procedure so any issues arising during construction can be discussed and resolved.

How is noise managed during construction?
Construction activities will be required to comply with NZS6803:1999 construction noise standards.  These standards set levels to be met at residential neighbours to the project work on weekdays, Saturdays and Sunday and Public Holidays; construction noise will normally be limited to day time hours and may be seasonal.

Where the proposed route is close to houses, people may hear noise from construction. Steps will be taken to limit noise effects on homes and properties, including:
Careful management of construction methods, equipment and working areas, and construction traffic activity, in particular close to sensitive receptors such as houses

  • Temporary noise barriers and muffling of otherwise noisy machines
  • Managing hours of work including daily start up and close down procedures
  • Keeping in touch with nearby property owners to identify potential issues at an early stage and ensure ‘no surprises’

A Management Plan will be prepared to establish processes for managing effects. This will require constructor compliance and set out the management methods, as well as monitoring, review and corrective action processes.  Details will be communicated clearly and discussed with our neighbours to understand how noise can be managed in the context of needing to construct the project. There will be clear complaints and corrective action procedures.



Update on SH1 Ōtaki to Ohau safety improvements

We are working to finalise the schedule for the construction of the safety improvements on State Highway 1 between the end of the Peka Peka to Ōtaki expressway and Ohau.

At this stage, we are likely to be out on site within the next month. We’ll provide you with a full schedule about this construction in the next project update.



More information


Visit our website to find out about our work in the corridor or check out:

Our email newsletters will let you know when there is new information on our website.

Do you know people who want to know more? They can subscribe here.

For more information on the Ōtaki to north of Levin programme, contact us at or call 0508 625 4636.