$232 millionTotal budget
Under ConstructionProject phase
Main Roads WALead agency
Mid 2021Start date
Late 2023End date
This project involves extending Mitchell Freeway 5.6 kilometres from Hester Avenue to Romeo Road in Alkimos.
Key features of the project include a new interchange at Lukin Drive, a rail tunnel for the existing rail line at Butler Station, connecting Romeo Road from Wanneroo Road to Marmion Avenue as well as a new path for pedestrians and cyclists.
The extension will service the rapidly growing north-western suburbs of Butler, Yanchep, Alkimos and Eglinton and areas to the east including Nowergup.
Temporary closure of Karoborup Road (southern) entry into Wanneroo Road
The next stage of construction for the new Romeo Road/Karoborup Road and Wanneroo Road intersection will require the temporary closure of the southern access to Wanneroo Road from Karoborup Road (opposite Romeo Road).
Wednesday 19 October 2022 to Tuesday 14 February 2023
• Detour in place for the duration of the works (map below)
• Wanneroo Road will remain open
• Local access to businesses and residents will be maintained via temporary arrangements
The works are subject to favourable weather conditions and workforce availability. Visit Main Roads for full details of ongoing roadworks.
News and project updatesSee all news
Media releases11 December, 2020
Contract awarded to deliver fast-tracked Mitchell Freeway Extension
The highly anticipated Mitchell Freeway Extension from Hester Avenue in Clarkson to Romeo Road in Alkimos is a step closer with the contract awarded to the Mitchell Extension Joint Venture (MEJV), a consortium of BMD Construction and Georgiou Group.
Media releases23 August, 2020
Building road and rail infrastructure paves way to WA’s recovery
As part of Western Australia's economic recovery, the McGowan Government is investing significantly in job-creating road and rail infrastructure projects across the State, as it bolsters the $6.5 billion unprecedented building program.
Media releases8 July, 2020
$23 million Marmion Avenue dual carriageway to Yanchep complete
A key McGowan Government election commitment has been delivered in Perth's northern suburbs, with duplication works along 11.5km of Marmion Avenue from Butler to Yanchep now complete, providing a faster commute for drivers in the rapidly growing northern corridor of Perth.