News

NSW: Changed traffic conditions between Waterfall and Wollongong 

Written by Hubspot Author | 18 May, 2026

Source: TfNSW

Motorists are advised of upcoming closures on the M1 Princes Motorway between Waterfall and Bulli Tops for five nights for our routine half-yearly maintenance work. 

The M1 Princes Motorway will be closed in both directions from the Princes Highway at Waterfall to Bulli Tops for five nights between 8pm and 4am from Sunday 31 May to Thursday 4 June, weather permitting.

A detour will be in place via the Princes Highway which is suitable for all vehicles up to 4.9 metres high. Heavy vehicles over 4.9 metres high will be required to park up and await access through the site.

   

For more information visit www.livetraffic.com/incident-details/274468 or download the Live Traffic NSW app.

To receive updates direct to your phone, including any changes to proposed closure dates, search for ‘M1 Princes Motorway, Bulli’ in your Live Traffic app, select the incident and click ‘Follow’.

Please note:

Unless specified otherwise, operators of Class 1,2 & 3 vehicles travelling under a Notice must consult their relevant enforceable network map to confirm a suitable approved alternate route. OSOM vehicles operating under the National Class 1 Load Carrying Vehicles Mass and/or Dimension Exemption Notices can use the available detours if they are suitable for their combination. Operators are reminded that under Schedule 8 of the Heavy Vehicle (Mass, Dimension and Loading) National Regulation (NSW), there is a requirement for the driver and operator to scope the proposed route prior to travel to ensure it is suitable for their vehicle.

Operators of Class 1, 2 & 3 vehicles travelling under a Permit must not travel off the approved route listed in the permit unless an updated permit is obtained from the NHVR.