Mount Ousley interchange

Reviewed

Project overview

Transport for NSW is building an interchange on the M1 Princes Motorway at the base of Mount Ousley.

Mount Ousley Interchange concept proposal

The interchange will replace the existing intersection of the Princes Motorway and Mount Ousley Road, bringing greater connectivity, safety and efficiency to those travelling through the gateway to Wollongong.

Latest news

Nov 2022 – Find out more about the Mount Ousley interchange

Over the coming months, contractors will be preparing tender submissions for the detailed design and construction of the project. Once a contractor has been chosen, they will finalise the detailed design and start site establishment activities.

Relocation of utility services is under way with major construction expected to start in 2024.

Listen on YouTube or read our latest project update (PDF, 1.73Mb).

Take a look at our overview map (PDF, 999Kb).

Project documents

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If you are having trouble accessing information in these documents, please contact us.

 

Project information

Background

The Mount Ousley interchange project will replace the existing intersection of the Princes Motorway and Mount Ousley Road, improve road safety, travel times and accommodate the efficient movement of future traffic and freight growth.

This project is jointly funded by the Australian and NSW Governments.

Benefits

  • improved travel times
  • safer access to and from the motorway to Mount Ousley Road
  • improved access to the Wollongong CBD and University of Wollongong
  • improved safety by separating cars and heavy vehicles travelling down Mount Ousley
  • improved amenity for pedestrians and cyclists
  • reduced vehicle operating costs
  • provides for future traffic growth.

Features

  • heavy vehicle only bypass lanes for southbound travel, separating cars and heavy vehicles
  • two new heavy vehicle safety ramps
  • new commuter car park with additional parking space and improved incident response facility
  • new southbound service road between Mount Ousley Road and University Avenue
  • upgrades and widening of the existing pedestrian bridge over the motorway at Northfields Avenue
  • new pedestrian and cyclist bridge over Mount Ousley Road
  • two new roundabouts and a bridge over the motorway for improved access between Mount Ousley Road, Princes Motorway and University of Wollongong
  • improved pedestrian and cyclist connectivity on existing shared paths
  • five metre noise walls along the northern side of the motorway and the southern side of Dumfries Avenue; and along the southern side of the motorway and northern side of Falder Place
  • three and a half metre noise wall along the southern side of Mount Ousley Road, between Gowan Brae Avenue and the cul-de-sac at the western end.

Review of Environmental Factors

Transport for NSW displayed the Review of Environmental Factors (PDF, 7.27Mb) and concept design (PDF, 958Kb) for the Mount Ousley interchange between Thursday 16 November and Friday 15 December 2017. During the display we received 130 submissions and a total of 236 separate comments.

The environmental assessment for the Mount Ousley interchange is now complete and the Submissions Report (PDF, 1.23 MB) was published in April 2018. The report addresses questions raised by the community during the consultation period in 2017.

An addendum review of environmental factors (PDF, 37.8Mb) has been prepared to document the potential environmental impacts of the additional utility works outside the original REF proposal area.

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Community information

Community updates

Overview map

Freight updates

  • Freight Facts
    Road freight on Picton Road and M1 Princes Motorway at Mount Ousley

Reports

Submissions report

Review of Environmental Factors report

Preferred option report

Contact us

For further information about this project, please contact:

Phone: 1800 792 918

Email: MountOusleyInterchange@transport.nsw.gov.au

Mail: Mount Ousley interchange, PO Box 477 Wollongong NSW 2520