$755 millionTotal budget
In PlanningProject phase
Main Roads WALead agency
This project involves extending Tonkin Highway from Thomas Road, Oakford to South Western Highway, south of Mundijong. Approximately 14 kilometres of four-lane dual carriageway from Thomas Road to South Western Highway will be installed.
Construction and upgrades of intersections at Orton Road, Mundijong Road and South Western Highway will also be included.
A grade-separated interchange at Bishop Road and bridges over the existing freight rail line will be installed as part of the project.
News and project updatesSee all news
Media releases21 June, 2020
$223 million to unlock hundreds of local infrastructure jobs
The Morrison and McGowan Governments will support construction jobs across Western Australia by jointly investing an additional $223 million to deliver shovel-ready infrastructure projects and urgent road safety upgrades.
Tonkin Highway is planned to be expanded an additional 14 kilometres