The Kwinana Freeway Upgrade is a set or proposed upgrades to the existing Kwinana Freeway, 25 kilometres south of Perth. The scope of the project includes delivery of:
- A new 11-kilometre lane in each direction between Russell Road and Mortimer Road
- A new 2.5-kilometre southbound lane between Roe Highway and Berrigan Drive
- A new 3.3-kilometre northbound lane from Russell Road to Beeliar Drive
- New coordinated ramp signals, and
- Improvements to safety barriers, surfacing and drainage.
The project will support the construction and operation of the proposed Westport Facility in the Kwinana Harbour.
Key Dates
| Jun 2025 | Project Announcement |
| Oct 2025 | EOIs Open |
| Nov 2025 | EOIs Close |
| 2027 | Expected Construction Commencement |
| 2029 | Expected Construction Completion |
Funding contributions
| Federal Government | |
| WA Government | |
|
The WA and Federal Governments are funding the project on a 50:50 basis. |
|
Procurement
| Procuring Agency: | MainRoads WA |
| Procurement note: | The project will be delivered under an Alliance Contract. |
PROJECT HISTORY
| Nov 2024 | The project was outlined in the Westport Business Case as key enabling infrastructure required for the delivery of the Westport project. |
| Mar 2025 | The project was included in the Federation Funding Agreement Schedule on Land Transport Infrastructure Projects (FFAS) between the Federal and WA Governments, contingent on a Business Case evaluation by Infrastructure Australia. |
| Jun 2025 | The 2025-26 Western Australian Budget confirmed funding for the project as an election committment. The Budget confirmed a total estimated cost of $700 million, with funding to be allocated from FY2026-27 onwards. |
| Oct 2025 | The WA Government commenced an Expression of Interest process for the project, to be delivered under an Alliance Contract. |
Estimated Total Cost
(2025)
Sector
Road
Procurement approach
Traditional Procurement |
Alliance |
Location
Western Australia |
Resources
