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Hester Avenue to Romeo Road Mitchell Freeway extension

Alkimos, Butler, Ridgewood


  • Road

    Project type
  • $232 million

    Total budget
  • Under Construction

    Project phase
  • Main Roads WA

    Lead agency
  • 1200

    Jobs supported
  • Mid 2021

    Start date

    Late 2023

    End 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.


  • Alleviate pressure on the local road network
  • Reduced travel times
  • Improved road safety and connectivity for those living and working in the northern suburbs.
  • Caters for the growing population in Perth's north-west

Project map

This map shows an aerial view of the project location.
Project work area

Detour options

  • 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. 

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