Mount Ousley interchange

In addition to day work, night work will be carried out as required between 7pm and 6am, Mondays to Thursdays, from Monday 22 April until Thursday 30 May 2024.
 
For more information view the latest resident update (PDF, 2.25 MB).

Early work activities are under way on the project. To learn more about what’s happening now and key changes from the concept design view the project update (PDF, 2.27 MB).

Night work may be carried out Monday to Thursday between 6pm and 7am, from Monday 25 March until Thursday 18 April 2024.

For more information view the latest resident update (PDF, 794.83 KB).

Detailed design is progressing and early work will start in the coming weeks. 

Major work is planned to start in late 2024 with the project expected to take about four years to complete, weather permitting. 

For more information view the latest project update (PDF, 494.15 KB).

The contract to design and build the $390 million Mount Ousley interchange, has been awarded to Fulton Hogan.

Early work will start in the coming months, including survey and geotechnical investigations, utility relocation and vegetation clearing.

In the coming weeks the community will be updated on the next stages of the project.

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.

• Improved safety by separating cars and heavy vehicles travelling southbound
• Improved travel times by replacing the existing intersection of the Princes Motorway and Mount Ousley Road which currently experiences long queues and delays during peak periods
• Improved access between Wollongong CBD and University of Wollongong
• Improved amenity for pedestrians and cyclists
• Supporting growing freight movements to the south coast
• Safer access to and from the Princes Motorway to Mount Ousley Road. 

• A heavy vehicle only bypass lane for southbound travel, separating cars and heavy vehicles
• Two heavy vehicle safety ramps
• A commuter car park 
• Upgrades and widening of the existing pedestrian bridge over the motorway at Northfields Avenue
• Signalised intersections and bridges over the motorway providing a northbound access to the Princes Motorway and improved access between Mount Ousley Road, Princes Motorway and University of Wollongong 
• A roundabout that provides access to the Princes Motorway and the University access road
• A southbound access road between Mount Ousley Road and University Avenue
• Improved pedestrian and cyclist connectivity 
• 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 walls along the southern side of Mount Ousley Road, between Gowan Brae Avenue and the cul-de-sac at the western end.