Part of Mount Ousley Road to close at weekend

Motorists are advised of the weekend closure of Mount Ousley Road between Gaynor Avenue and the M1 Princes Motorway.

Work will be carried out on the Mount Ousley interchange project from midnight Friday 4 September to 4am Monday 7 September 2026.

Ahead of the work commencing, single lane closures with stop/slow traffic control will be in place from 7pm until midnight on Friday 4 September.

The M1 Princes Motorway will remain open in both directions during this work. 

Detours will be in place via Princes Highway, Memorial Drive and University Avenue and motorists should allow up to five minutes of additional travel time.

Local access to Mount Ousley Road between the Princes Highway and Gaynor Avenue will be maintained.

The southbound University Avenue ramp will be temporarily widened to 4.5 metres to facilitate access to the University Avenue overpass for southbound heavy vehicles over 4.6 metres high. Northbound heavy vehicles over 4.9 metres high will be escorted through the work site when conditions permit. Delays of up to two hours should be expected.

Motorists are advised to drive to the conditions and follow the directions of signs and traffic control. 

Should this closure not go ahead, it will be rescheduled for the following weekend from midnight Friday 11 September to 4am Monday 14 September. Transport for NSW will notify the community of rescheduled dates. 

Transport for NSW thanks the community for their patience during this time. 

For more information, visithttps://www.livetraffic.com/incident-details/284679  or download the Live Traffic NSW app.  To receive updates direct to your phone, search for ’Wollongong-Mount Ousley’, select the incident in your Live Traffic NSW app and click ‘Follow’.