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Project introduction

We're making State Highway 2 (SH2) between Waihī to Ōmokoroa safer. These safety improvements are being delivered as part of Road to Zero, to reduce the number of people killed and seriously injured on New Zealand's roads.

Rea Road/Tetley Road detour at State Highway 2 (SH2)

Lane closures and a detour are required to enable roundabout construction at the SH2/Rea Road/Tetley Road intersections.

This means vehicles will only be able to turn left into and out of Tetley and Rea roads onto or from SH2.

When: The detour will be in place from the first week of June 2022 until approximately late July 2022.
What's happening: There will be no right turn at Tetley Road and the detour will be via Marshall Road. There will be no right turn at Rea Road and the detour will be via a temporary roundabout at Hot Springs Road.

The roundabout is expected to be completed in September 2022.

 Download the detour map

  • Estimated project cost

    $101 million
  • Project type

    Safety improvements
  • Project status


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What we are doing 

To make this stretch of road safer we are:

  • widening the road
  • putting in a wide centreline to help separate oncoming traffic
  • widening the road shoulders to give drivers more room
  • putting in roadside safety barriers where there are hazards such as power poles, trees and deep ditches
  • making intersections safer
  • installing flexible median barrier and turnaround areas.

These improvements will save lives and will raise the safety rating of the state highway.


We’ve split the project into 10 sections to help limit the number of roadworks that people encounter along the highway. Each section will take between 12–18 months to complete, and the road widening project is expected to be finished in 2024. The median barrier and roundabout construction will begin in 2022 and continue for two to three years.

Roundabouts and median barriers

We are making State Highway 2 (SH2) between Waihī and Ōmokoroa safer with the installation of flexible median barriers and six additional intersection (roundabout) upgrades.

These will be installed between Tetley Road and Esdaile Road as part of our Road to Zero strategy.

The inclusion of flexible median barrier was proposed early on as a safety enhancement to the current widening works and has undergone several stages of public consultation.

Construction will begin at SH2/Rea Road/Tetley Road intersection which includes slow vehicle passing bays on exiting SH2 northbound and southbound.

Read more about this work on SH2 between Waihī and Ōmokoroa

A second roundabout at Morton Road intersection will commence construction mid-2022.