Project introduction

Waka Kotahi is working to make SH1 between Cambridge and Piarere safer through a variety of short and long-term solutions.

Road of National Significance

This project has been identified in the Government Policy Statement on land transport (GPS 2024) as a Road of National Significance.

  • Project type

    Road improvements, Study and investigation

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Related projects

Our work on this corridor has several focus areas. Click on the project name to find out more information.

SH1 Cambridge to Piarere long-term improvements project

A 16km long, four-lane expressway extending from the southern end of the Cambridge section of the Waikato Expressway to the intersection of SH1 and SH29 at Piarere.

road workers installing median barriers on a highway

SH1 Cambridge to Piarere safety improvements project

A programme of safety works focusing on median barriers and turnaround bays.

Long distance view of rolling hills and a highway road

SH1/SH29 intersection project

The existing T-intersection of State Highway 1 and State Highway 29 at Piarere is being upgraded to a roundabout.