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This assessment brief outlines the New South Wales Government's WestConnex project, which consists of around 33 km of interconnected road projects that will extend the M4 motorway towards Sydney city, widen the M5 East motorway and join those two motorways with a new tunnel running under the inner western suburbs of Sydney.

This assessment brief outlines the South Australian Government's plan for a package of bus priority measures, transit zones and interchange upgrades on the East–West Bus Corridor in Adelaide. The project will improve the efficiency and service quality of existing bus services on the east–west (including the north-east) mass transit corridor and thereby increase public transport patronage. The South Australian Government is seeking $174.3 million in Commonwealth funding for the project.

This assessment brief outlines the Western Australian Government's proposal to build approximately 1.8 kilometres of dual carriageway and undertake a major intersection reconfiguration along the Leach Highway (High Street) in East Fremantle between Carrington Street and the Stirling Highway. The upgrade will reduce delays for freight vehicles, improve road capacity and improve network amenity along a section of urban arterial road. The Western Australian Government is seeking $57.2 million in Commonwealth funding for the project.

In 2011, Infrastructure Australia assessed the East Arm Port of Darwin Expansion project as ‘Threshold’ on the Infrastructure Priority List.

In 2013, Infrastructure Australia assessed the Tanami Road Upgrade project in the Northern Territory as ‘Threshold’.

In 2011, Infrastructure Australia positively assessed the Adelaide Rail Freight – Goodwood and Torrens Rail Junctions project as Ready to Proceed, conditional upon four recommendations.

In 2013, Infrastructure Australia assessed the Northern Connector stages 1 and 2 project in Adelaide, South Australia as ‘Threshold’.

In 2013, Infrastructure Australia assessed the East-West Bus Corridor project in Adelaide, South Australia as ‘Threshold’ on the Infrastructure Priority List. In 2013, Infrastructure Australia assessed the East-West Bus Corridor project in Adelaide, South Australia as ‘Threshold’ on the Infrastructure Priority List.

On 30 August 2018, Infrastructure Australia added the ‘Gawler Rail Line Electrification and Modernisation Project’ to the Infrastructure Priority List as a Priority Project.

On 5 April 2018, Infrastructure Australia added Adelaide’s North-South Corridor: Regency Road to Pym Street proposal to the Infrastructure Priority List as a Priority Project.