What's happening
New Principal Shared Path (PSP) to open soon
On Saturday 16 May 2026, a new Principal Shared Path (PSP) will open to PSP users on the east side of Mitchell Freeway from Telford Crescent to Civic Place, including an underpass under Stephenson Avenue.
The new path will complete the missing link in the Mitchell Freeway PSP network from Perth City to the northern suburbs, improving connections for people walking, cycling and commuting in the area.
The local path connection from the PSP to Cedric Street remains closed as finishing works continue.
Wayfinding signage will be in place to guide path users and highlight network connections.
For more information view access map below and Frequently Asked Questions.
Stirling Bus Interchange opens to Transperth passengers
In April 2026 all bus services at Stirling Station have been relocated to the new section of the bus bridge. The existing horseshoe bridge has now closed to facilitate the station expansion works.
Services will be relocated to the new section of the bus bridge as works commence on the existing bridge.
For more information service changes please visit the Transperth website.
Pedestrian access to the new bus bridge and Stirling Station will also change, view the below map showing new access routes.
During the adjustment period passengers may need to allow for additional travel time initially while familiarising with the new layout.
Phase Two
Stephenson Avenue will be extended from Flax Way to Mitchell Freeway and Cedric Street interchange.
Upgrades include:
- Stephenson Avenue grade separated interchange at Mitchell Freeway - Stephenson Avenue bridge over Mitchell Freeway and the Joondalup Line.
- New road connecting Sarich Court to Cedric Street on the west side of the freeway, including a new bridge for Stephenson Avenue.
- New shared path on the east side of Mitchell Freeway from Telford Crescent to Civic Place, including an underpass under Stephenson Avenue.
- New shared paths along Stephenson Avenue and connections to the new path along the freeway.
- Modifications to Mitchell Freeway and Cedric Street interchange, removing the southbound off and on-ramps and northbound off-ramp.
- New access to Stirling Station car park.
- Upgrade Stirling Bus Interchange from an 18-stand to 29-stand facility.
Phase One
Stephenson Avenue was extended from Scarborough Beach Road to Flax Way, including two new signalised intersections. This section was delivered by City of Stirling and opened to traffic on Friday 11 February 2022. Learn more on their website.
The project is part of the City of Stirling’s broader plan to transform the Stirling City Centre – an area bounded by Karrinyup Road, along Cedric Street and Ellen Stirling Boulevard to Scarborough Beach Road.
It will connect key activity hubs, including Westfield Innaloo Shopping Centre, the Osborne Park industrial area and the Stirling City Centre.
We’re working closely with Public Transport Authority for the Stirling Bus Interchange upgrade and Stephenson Avenue works. This will streamline the design and construction process minimising disruption to motorists, bus and rail passengers and the surrounding community.
In June 2024 Main Roads implemented asbestos management measures on the project’s stockpile site.
We are continuing to work with an independent contaminated sites auditor and the Department of Water and Environmental Regulation (DWER) on the ongoing management of the site.
The below outlines the updates provided.
- 14 June 2024 – Asbestos management measures implemented
- 26 June 2024 – Staged recommencement of works
- 11 July 2024 – Asbestos management update
- 22 August 2024 – Asbestos management update
- 25 October 2024 - Removal and relocation of stockpiled materials from site
Stockpile material removed
In early 2025, all stockpiled material containing asbestos material were removed by an A-Class asbestos removalist and disposed of at licenced offsite waste facilities in accordance with approved management plans.
Controls were in place during the removal of these materials, including regular application of water and dust suppression polymer, and airborne asbestos fibre monitoring.
The health and wellbeing of the community and our workers remains a priority for Main Roads and the Alliance and precautionary mitigation measures will continue to be implemented for the remainder of construction works.
A comprehensive high level sustainability target framework has been developed to manage our impacts on the local environment. We have considered sustainability topics relevant to the project and the United Nations Sustainability Development Goals (SDGs).
The sustainability targets align with the Infrastructure Sustainability (IS) Ratings Scheme administered by the Infrastructure Sustainability Council (ISC).
Have your Say!
In August 2023 we undertook a community survey to evaluate how effective our communications are in reaching the local audience, our approach to managing construction impacts and how you want to receive information from us. The feedback has been received, find out more by reading the Engagement Summary.
We engage regularly with key stakeholders including the City of Stirling, PTA, Transperth, Traditional Custodians, nearby businesses and local residents, as well as service providers and other government agencies that are involved.
We acknowledge the significance of this area for the Traditional Custodians, and we continue to engage with their representatives. Part of this involves the development of public art concepts. In January we undertook a community survey to gather feedback on our Approach to Public Art. We look forward to sharing the outcome with you very soon as a part of our second round of engagement.
A third community survey will be undertaken to influence landscaping plans.
Project update
- Project Update - March 2026 - PDF (656 KB)
- Project Update - October 2025 - PDF (1.08MB)
- Project Update - July 2025 - PDF (4.4 MB)
- Project Update - December 2024 - PDF (843 KB)
- Project Update - October 2024 - PDF (988 KB)
- Project Update - August 2024 - PDF (611 KB)
- Project Update - May 2024 - PDF (385 KB)
- Project Update - December 2023 - PDF (674 KB)
- Project Update - August 2023 - PDF (859 KB)
- Project Update - January 2023 - PDF (745 KB)
- Project Update - May 2022 - PDF (1.51 MB)
- Project Update - June 2021 - PDF (819 KB)
Fact sheets / Frequently Asked Questions
- Frequently Asked Questions - New Principal Shared Path - PDF (345 KB)
- Frequently Asked Questions - Stephenson Avenue northbound on-ramp opening - PDF (375 KB)
- General Community Fact Sheet - PDF (610 KB)
- Frequently Asked Questions - Upcoming Access Changes - PDF (586 KB)
- Frequently Asked Questions - Works near Telford Crescent and Talia Drive - PDF (340 KB)
- Frequently Asked Questions - Vegetation Clearing - April 2025 - PDF (260 KB)
- Frequently Asked Questions - Stirling Station Southern Car Park Full Closure - PDF (262 KB)
- Frequently Asked Questions - Stockpile Removal - October 2024 - PDF (237 KB)
- Updated Frequently Asked Questions - Asbetos Management Measures (PDF 257 KB)
- Frequently Asked Questions on stockpile waste - June 2024 - PDF (257 KB)
- Consultation Sheet - Jan 23 - PDF (196 KB)
- Noise Walls - PDF (157 KB)
- Construction Impacts - PDF (266 KB)
- Environmental - PDF (129 KB)
Project Videos
- Stephenson Avenue Extension - December 2025 Update
- When traffic management meets innovation - Automated Cone Truck Trial
- Pedestrian Bridge Installation
- Stephenson Avenue Extension Project - Phase Two
Media Statements
- Major changes coming as Stephenson Avenue bridge opens to traffic - 9 December 2025
- Stephenson Avenue Extension Projet - Major traffic changes coming to Innaloo and Stirling - Main Roads Media Release - 4 December 2025
- Stephenson Avenue Extension Project - Major traffic changes coming to Innaloo and Stirling - Main Roads Media Release - 5 November 2025
- Stephenson Avenue Extension Project - Works resumes - Main Roads Media Release - 26 June 2024
- Stephenson Avenue Extension Project Asbestos Management - Main Roads Media release - 14 June 2024
- Major Bridge launch underway over Mitchell Freeway - 11 June 2024
- Phase 2 of Stephenson Avenue Extension now underway - 15 March 2022
- Stephenson Avenue Extension Phase 2 contract awarded - 1 November 2021
- Major infrastructure projects developing Stirling into a hub of activity - 11 January 2021
- McGowan Government commits $45 million to Stirling Bus Interchange - 12 December 2020
- Ground breaking milestone on Stephenson Avenue Extension - 20 August 2020
- Local contractor to deliver phase one Stephenson Avenue Extension - 10 June 2020
- Phase one of Stephenson Avenue Extension tender now open - 19 February 2020
- Stephenson Avenue Extension reaches significant milestone - 3 July 2019
- Perth's biggest job-creating road build making huge progress - 3 July 2019
Funding
The Stephenson Avenue Extension Project (287.6 million) and Stirling Bus Interchange (173.8 million) are jointly funded by the Australian and Western Australian Governments, with Phase One works completed by the City of Stirling.
traffic flow
connectivity
capacity