The interchange will replace the existing intersection of the Princes Motorway and Mount Ousley Road, improving connectivity, safety and efficiency to those travelling through the gateway to Wollongong. This project is jointly funded by the Australian and NSW Governments.

Key features include:

• A heavy vehicle bypass lane for southbound travel, separating light and heavy vehicles
• Separate off ramps for southbound light and heavy vehicles exiting the M1 Princes Motorway
• Two heavy vehicle safety ramps
• A bridge over the M1 Princes Motorway with signalised intersections connecting the M1 Princes Motorway, Mount Ousley Road and the new access road to the University of Wollongong
• A commuter car park
• A roundabout that provides access to the M1 Princes Motorway and the University access road
• A shared path along the bridge over the M1 Princes Motorway and the University access road
• A southbound access road between Mount Ousley Road and University Avenue
• A pedestrian and cyclist bridge over the southbound access road
• A shared path connecting to the existing path from Helen Street, and upgrades to the shared path adjacent to TAFE NSW Wollongong
• Upgrade and extension of the existing pedestrian bridge over the M1 Princes Motorway at Northfields Avenue
• Five-metre-high 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 high noise walls along the southern side of Mount Ousley Road, between Gowan Brae Avenue and the cul-de-sac at the western end.