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Tonkin Highway Interchanges

Funding Program:Investment Road and Rail Program
Status:In planning
Transport Mode:Road
Expected Start/Finish:Mid 2022 - Mid 2024
Estimated Project Cost:$366,000,000
Australian Government Contribution:$293,000,000
Local Council/Shire:City of Gosnells

Project Description

The Tonkin Highway, south of Roe Highway, is a primary distributor with two lanes in each direction divided road with at grade intersections. The Tonkin Highway carries a significant amount of freight, which is expected to increase in the future.

The project will construct grade separations at Kelvin, Welshpool and Hale Roads, which are the highest priority intersections that require upgrading on the route.


The project will:

  • improve freight efficiency, connectivity and travel time
  • improve road safety and reduce congestion for all road users


The Australian Government has committed $293 million towards the $366 million project.


The project is in planning.

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: 25/06/2021