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This assessment brief outlines the Western Australian Government's proposal to widen a section of the North West Coastal Highway in the Pilbara region of Western Australia. The project will improve the efficiency and safety of freight and other vehicles on the highway by widening the sealed section and creating improved flood immunity to support the operation of wide and heavy vehicles. The Western Australian Government is seeking $143.2 million in Commonwealth funding for the project.

This assessment brief outlines the Queensland Government's plan to modify existing road space for bus lanes to connect high-growth suburbs to the metropolitan public transport network and CBD. The new bus lanes will improve access to jobs, education and services.

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 Queensland Government's plan for the core Cross River Rail project. The project will provide the necessary infrastructure to support the transformation of Brisbane into Australia's third internationally competitive city and support critical freight networks. An updated capital cost of $4,445 million was announced publicly by the Queensland Government in late June 2012. The Queensland Government is seeking $3.33 billion of 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.

This assessment brief outlines the Queensland Government's plan to upgrade the Ipswich Motorway between Rocklea and Darra. The upgrade will improve travel times and reliability for freight travelling on the Ipswich Motorway between Rocklea and Darra. The Rocklea to Darra section of the Ipswich Motorway is the final stage of the six-stage upgrade of the Ipswich Motorway. This is the first time Infrastructure Australia has received a submission for the sixth stage, Rocklea to Darra. The Queensland Government is seeking $558 million in Commonwealth funding for the project.

This assessment brief outlines the Western Australian Government's proposal to upgrade sections of the Great Northern Highway between Muchea and Wubin in the Wheatbelt region. The project will involve reconstruction and realignment of selected sections of the highway, upgrading intersections, widening the seal and constructing additional passing lanes. The upgrade will mprove the efficiency, reliability and safety of the route between Perth and the north-west of Western Australia. The Western Australian Government is seeking $288.9 million in Commonwealth funding for the project.

This assessment brief outlines the Northern Territory's proposal to upgrade the Tanami Road — a 703-kilometre road that links the Stuart Highway (19 kilometres north of Alice Springs) to the border of Western Australia.

This assessment brief outlines the South Australian Government's plan to construct a 15.6 kilometre road (the Northern Connector) between Port Adelaide and the Northern Expressway.

This assessment brief outlines the Queensland Government's plan for upgrades to the Gateway Motorway North. The upgrades will combat traffic congestion, poor separation of local trips and freight movements, and high crash rates on the Gateway Motorway North.