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Proposals invited for Tonkin Highway Extension, Thomas Road Upgrades

Shortlisted contractors for the Tonkin Highway Extension and Thomas Road Upgrades can now submit an RFP (Request for Proposal) for the first stage of works in Western Australia.

Shortlisted contractors for the Tonkin Highway Extension and Thomas Road Upgrades can now submit an RFP (Request for Proposal) for the first stage of works in Western Australia.

The two short-listed alliances can now submit proposals for the works, which will provide a non-stop transport link between Oakford and Mundijong, enhancing access to ports and the south west, and growing residential and commercial areas to the south, west and east.

The shortlisted consortia are made up of the following companies: Tonkin Extend Alliance (Laing O’Rourke, Garli, WSP and Arcadis); and Tonkin Extension Alliance (Georgiou, BMD, Civcon, GHD and BG&E).

Perth’s south-west corridor is being enhanced with a 14 kilometre extension of Tonkin Highway to South Western Highway and upgrades to Thomas Road, to reduce traffic pressure and improve connectivity.


 

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Stage One will see Tonkin Highway extended from Thomas Road to Mundijong Road as a four-lane dual carriageway, and Thomas Road upgraded to South Western Highway including duplication from Kargotich Road to South Western Highway and the construction of a grade separated interchange at Thomas Road and Tonkin Highway.

An Expression of Interest for Stage Two of the project, Tonkin Highway extension from Mundijong Road to South Western Highway has also been released.

More than $1 billion in funding is allocated for the project, with the Federal and State governments committing $749 million and $296 million respectively.

An Alliance contract for the stage one works is expected to be awarded in late 2024.

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