Past Evaluations

The Assessment Framework is changing in line with amendments to the Infrastructure Australia Act 2008. Find out more here.  

The table below shows the Stage 3 proposals that Infrastructure Australia has previously evaluated. 

For each proposal, we publish a summary of our evaluation, which you can access in the table below. This outlines our assessment of the strategic fit of the proposal, the costs and benefits the proposal offers for Australians, and the deliverability of the proposal.

To see the proposals we have positively evaluated as nationally significant priorities for Australia, explore the Infrastructure Priority List.

A number of business cases evaluated by Infrastructure Australia have been publicly released, view all available business cases.

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The business case is for a new railway line to service Greater Western Sydney and the new Western Sydney Airport. It includes new stations at the Western Sydney Airport and the Western Sydney Aerotropolis, as well as fully-automated driverless trains.
Evaluation Date
18 February 2021
State:
NSW
The business case is for upgrading the Tonkin Highway between Great Eastern Highway and Collier Road, and associated works, to address congestion, improve reliability, freight productivity and active transport connectivity.
Assessment Status
Project evaluation discontinued due to amended evaluation threshold
Evaluation Date
17 December 2020
State:
WA
Developed as part of the Australian Government’s Faster Rail Prospectus process, the North Coast Connect proposal is designed to provide a faster rail connection between Brisbane and the Sunshine Coast.
Evaluation Date
08 December 2020
State:
Queensland

The business case is to build a new Armadale Road Bridge over the Kwinana Freeway, which would connect North Lake Road to Armadale Road in the Cockburn Central area. It aims to resolve current bottlenecks, improve travel times, and improve amenity and liveability within the area.

Evaluation Date
08 December 2020
State:
WA

The business case is for a 27-kilometre four-lane grade-separated dual carriageway road at the outer edge of Bunbury. It would connect the Bussell Highway, north of Bunbury, to the Forrest Highway in the south.

Evaluation Date
08 December 2020
State:
WA

The business case is for removing six level crossings on the inner Armadale Line. The project aims to improve safety and reduce congestion at the level crossings, as well as improving station precincts and public open space.

Evaluation Date
08 December 2020
State:
Perth
WA

This business case proposes an alternative freight access route to the Port of Albany. The project would involve a ring road around the urban areas of Albany, which aims to improve freight efficiency and help separate freight, local and tourist traffic within Albany.

Evaluation Date
08 December 2020
State:
WA

The business case is to upgrade the Prospect Highway between Reservoir Road at Prospect and 200 metres north of St Martins Crescent, Blacktown (approximately 3.6 kilometres).

Evaluation Date
08 December 2020
State:
NSW
Western Sydney

The business case is to extend the Armadale Line approximately eight kilometres south to Byford. This is to support and provide public transport access to the high-growth suburb of Byford.

The business case was accepted for Infrastructure Australia's evaluation on 14 July 2020.

Evaluation Date
08 October 2020
State:
Perth
WA
This is a proposal for upgrading Canberra’s Commonwealth Avenue Bridge, one of two major crossings over Lake Burley Griffin that are vital to the capital’s transport network. The bridge was originally constructed in the early 1960s to a 1950s design.
Evaluation Date
03 September 2020
State:
ACT