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METRONET: Byford Extension

Funding Program:National Rail Program
Status:In planning
Transport Mode:Rail
Estimated Project Cost:$481,000,000
Australian Government Contribution:$240,500,000
Local Council/Shire:City of Armadale,Shire of Serpentine Jarrahdale

Project Description

The project will extend the current Armadale Line by 8km south to Byford.


Integrated and effective public transport:

  • ensure forecast population-driven increases in travel demand are met

Change travel behaviours and decrease private vehicle use:

  • improving transport network resilience by providing alternative options

Improve housing diversity:

  • support growth of vibrant urban centres through integrated transport and land use planning

Jobs and business opportunities:

  • provide jobs during project delivery and encourage long term opportunities for new businesses to grow


The Australian Government has committed $240.5 million towards the $481 million project.


The project is currently in the early planning phase with the WA Government working with local councils to identify the best location and alignment of the extension so that it supports plans for growth in the area, as well as creating an employment hub and boosting residential development. 

The final business case is expected to be completed in late 2020. Construction timeframes will be developed during this phase.

Further information on the project is available on the METRONET website:

Disclaimer: The material contained in this site is made available on the understanding that the Department is not thereby engaged in rendering professional advice for a particular purpose. Before relying on the material in any important matter, users should carefully evaluate the accuracy, completeness and relevance of the information for their purposes and should obtain appropriate professional advice relevant to their particular circumstances.

Project details last updated: 9/01/2019