Past Evaluations

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 New England Highway Singleton Bypass proposal aims to improve safety, travel times and travel variability for traffic on the New England Highway travelling through Singleton and will facilitate movement of heavy freight vehicles travelling on this section of the New England Highway.
Evaluation Date
08 September 2022
State:
NSW
The East and West Sections of the Great Western Highway Upgrade Program involves the upgrade of the Great Western Highway between Katoomba and Blackheath, and between Little Hartley and Lithgow.
Evaluation Date
08 September 2022
State:
NSW
The Dungowan Dam and Pipeline is a proposal to increase town water supply for Tamworth and sustain the reliability of water for agriculture across the Peel Valley.
Evaluation Date
05 July 2022
State:
NSW
The Circular Quay Renewal proposal intends to update transport infrastructure, amenities, activate public spaces, and improve retail offerings and the overall quality of the public domain.
Evaluation Date
12 April 2022
State:
NSW
The M1 Pacific Motorway Extension to Raymond Terrace and Hexham Straight Upgrade proposal is for the development of the Pacific Motorway at Newcastle.
Evaluation Date
14 October 2021
State:
NSW
The Coffs Harbour Bypass proposal is for an upgrade of the Pacific Highway at Coffs Harbour. The proposal includes the construction of a new 12 kilometre bypass from south of the Englands Road intersection to Korora Hill and a 2 kilometre upgrade of the existing Pacific Highway between Korora Hill and Sapphire.
Evaluation Date
31 August 2021
State:
NSW

The Western Harbour Tunnel proposal involves the construction of a motorway crossing underneath Sydney Harbour, connecting WestConnex with the Warringah Freeway.

Evaluation Date
15 April 2021
State:
NSW

The Newcastle Inner City Bypass – Rankin Park to Jesmond project involves the construction of a 3.4 km section of the Newcastle Inner City Bypass. Bypassing the existing route is intended to reduce congestion and travel times, and improve road safety.

Evaluation Date
15 April 2021
State:
NSW
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 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