The Tonkin Highway is a 44-kilometre north-south highway and partial freeway in Perth, Western Australia, linking Perth Airport with the city's north-eastern and south-eastern suburbs.
The WA Government has been progressively undertaking improvements to the Highway's corridor across four projects.
- Tonkin Highway Gap
- Tonkin Highway Extension Stage Three
- Tonkin Highway Grade Separations, and
- North Ellenbrook Interchange.
The Grade Separations project will see Tonkin Highway widened from four to six lanes and grade separations delivered at Hale Road, Welshpool Road and Kelvin Road.This project is to be delivered using two Design and Construct contracts.
- Hale Road and Welshpool Road, and
- Kelvin Road.
The Hale Road to Welshpool Road contract will see interchanges delivered at Hale Road and Welshpool Road East and widening of the Tonkin Highway.
Funding contributions
| Federal Government | |
| WA Government | |
|
The Federal and WA Government have provided joint funding for both grade separation contracts. The total funding for each contract has not been publicised. These funding contributions represent the total value of both contracts. |
|
Procurement
| Procuring Agency: | Main Roads Western Australia |
PROJECT HISTORY
| May 2019 | The project was allocated funding as part of a $1.2 billion funding package announced in the 2019-20 WA Budget. |
| Sep 2021 | Following a review of its Asset Investment Program, the WA Government announced a delay to the project's completion. The Kelvin Road separation has been deferred by two years and completion is now expected in 2026. |
| May 2022 | The 2022-23 WA Budget allocated an additional $250 million toward the Tonkin Highway Grade Separations at Hale, Welshpool and Kelvin Roads and Stage Three Extension projects. |
