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Upgrade Great Eastern Highway and Old Northam Road, Wooroloo and Sawyers Valley

Funding Program:Urban Congestion Fund
Status:Under construction
Transport Mode:Road
Expected Start/Finish:Mid 2020 - Early 2022
Estimated Project Cost:$14,375,000
Australian Government Contribution:$11,500,000
Local Council/Shire:Shire of Mundaring
Corridor:Perth - Adelaide

Project Description

The intersection at Great Eastern Highway and Old Northam Road in Wooroloo (7km east of the Sawyers Valley intersection) is right before a large bend which creates a blind spot. It is also a significant blind spot for commuters turning right into Great Eastern Highway from Old Northam Road.

The intersection at Great Eastern Highway and Old Northam Road in Sawyers Valley is on a bend that creates a blind spot.

The project will upgrade the intersection at Great Eastern Highway and Old Northam Road in Wooroloo and Sawyers Valley.


The project will:

  • Improve road safety for all road users


The Australian Government has committed $11.5 million towards the project.


Sawyers Valley section was completed in August 2020 and the Wooroloo section started in July 2021 and is expected to be complete in early 2022.

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: 2/08/2021