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Project introduction

This project will improve road safety on State Highway 22 between the Drury turn off from SH1 and Paerata township.

  • Estimated project cost

    $109 million
  • Project type

    Safety improvements
  • Project status


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Making the road safer

We’re working to make State Highway 22 (SH22) between Drury and Paerata safer.

We know this stretch of road is an important link for people driving to work as well as for freight, but unsafe passing lanes and poor visibility at intersections make it difficult for drivers.

Between 2009 and 2018, there were 212 crashes on this stretch of road. 7 people were killed and 42 people were seriously injured.

Something has to change. 

What we're doing

There are ways we can improve the road to prevent crashes like these, and to make sure that if a crash happens, people are less likely to be killed or seriously injured.

We’re looking at making these improvements:

  • Making the stretch between Glenbrook and Paerata safer by putting in a flexible safety barrier in the middle of the road in some areas to reduce the risk of head-on crashes.
  • Putting in flexible safety barriers along the side of the road to stop drivers running off the road, preventing them hitting something harder like a tree, fence or power pole.
  • Adding turnaround locations along the corridor to allow for safe places to turnaround, this is for traffic which will not be able to turn right across the highway in locations where there is a median safety barrier.
  • Adding some right turn bays on the SH22 corridor to make turning off and on SH22 safer.
  • Removing unsafe passing lanes, including the passing lane by the Pukekohe Golf Course.
  • Creating a wide road shoulder so there’s space for people on foot or on bikes and room to pull clear off the road.
  • Making the SH22 and Glenbrook Road intersection safer by putting in a roundabout.
  • Reviewing the speed so it is safe and right for this road.

New speed limit to make SH22 safer

As part of the proposed safety improvements, and review of speed limits, we engaged with the local community and key stakeholders in 2017 and 2018 to understand people’s views on current and proposed speed limits along this corridor. In October and November 2019, we formally consulted with the public on proposed speed limit changes on State Highway 22 between Drury Interchange and Paerata. 

We thank everyone who provided feedback on this speed review. The insights received by partners, stakeholders, the local community and road users offers us valuable information to ensure speeds are safe and appropriate for the state highway and everyone who uses it.  

We used the information gathered through consultation and our technical review process and our decision on the speed limit changes is to implement the speeds that we proposed during the consultation. The new permanent speed limits will come into effect on 30 June 2020. 

Location Existing speed limit New speed limits 
(come into effect on 30 June 2020)

SH22 Drury interchange

  • from the south-western abutment of the Hingaia Stream Bridge to 100m south of the centreline of Burberry Road
70km/h  60km/h

SH22 Drury interchange to Paerata

  • from 100m south of the centreline of Burberry Road to 430m north of Crown Road
100km/h 80km/h

SH22 Paerata township

  • from 430m north of Crown Road to the intersection of SH22 / Lough Bourne Drive
70km/h 60km/h

More information about the new speed limits and locations

SH22 Glenbrook Roundabout

The new Glenbrook Roundabout will make it safer for everybody using State Highway (SH22) and the local roads it connects to. The roundabout is among a range of safety improvements Waka Kotahi NZ Transport Agency is rolling out on SH22 which included reducing the speed limits in June 2020 from 100kmh to 80kmh and from 70kmh to 60kmh. The new roundabout will replace the current “Give Way” intersection at SH22/ Glenbrook Road, which is used by around 10,000 vehicles a day and is expected to get busier as the local community grows. We know this stretch of road is a busy freight route with lots of trucks turning into local businesses. The new roundabout will make this route safer by reducing speed and eliminating a dangerous turn for large trucks at the existing SH22/ Glenbrook Road intersection.

Construction of the new $16.4 million roundabout will begin in March and is expected to be completed by December 2021. The roundabout will have four legs including access to the Paerata Rise development where 4,500 new homes are to be built, providing a safer and easier access point into and out of the new development. It will also be the main way to get to Paerata School, which will become part of the new development and is scheduled to open in Term 2 of 2021.

Investigations continue into making it even safer for people driving along this route with improvements such as safety barriers, turning bays and localised road widening being explored (subject to funding).

Between January 2015 and December 2019 there were 21 recorded crashes within 400 metres of the intersection of Karaka, Glenbrook and Paerata Roads. This project is aligned to New Zealand’s Road Safety Strategy, Road to Zero 2020 – 2030 and a programme of work delivering safety improvements, including speed management, on our highest risk intersections and roads across New Zealand. Through these safety improvements, Waka Kotahi aims to reduce the number of people killed or seriously injured on our roads, cycleways and footpaths by 40 per cent over the next 10 years.

New Zealand's Road Safety Strategy

SH22 Glenbrook Roundabout construction drawings [PDF, 11 MB]