Berry to Bomaderry - Princes Highway upgrade

Roads and Maritime Services is upgrading the Princes Highway between Berry and Bomaderry. The $450 million project will improve safety, increase road capacity, improve traffic flow and deliver better and more reliable journeys on this section of the highway.

When completed, it will be the final piece of more than 30 kilometres of highway upgraded between Gerringong and Bomaderry since work started in 2012.

Aerial view of work on the Princes Highway between Berry and Bomaderry.
Aerial view of work on the Princes Highway between Berry and Bomaderry.

Updates and announcements

Removal of overtaking lanes

Work continues to progressively remove the existing 2.3km of overtaking lanes within the Berry to Bomaderry upgrade project site.

The removal of the overtaking lanes will improve safety and reduce the frequency and severity of incidents within the worksite. Reducing overtaking opportunities will also assist drivers in adhering to road work speed limits.

The removal of the overtaking lanes will also improve the efficiency of the Princes Highway as it will allow for work to build deceleration and acceleration lanes for construction vehicles accessing the worksite, increased shoulder width and four additional break-down bays.

Major work underway

Major work started in September 2018. The NSW Government has engaged Downer Seymour Whyte Joint Venture (DSWJV) to build the upgrade.

Work on the upgrade will typically occur between 7am and 6pm on weekdays and between 8am and 1pm on Saturdays, excluding public holidays and weather permitting. The local community will be informed in advance if night work is required.

For the safety of workers, the speed limit between Mullers Lane, Berry and Cambewarra Road, Bomaderry has been reduced to 80km/h and a reduced speed limit of 40 km/h may apply during roadwork. There will be temporary stopping of highway traffic for up to two minutes as required while work is progressing.

Motorists should plan their trip, allow for extra travel time, keep to speed limits and follow the direction of traffic control and road signs.

Work is scheduled for completion in 2022.

For more information please view or download the November 2018 project update (PDF, 2.08Mb).

Construction update - June 2019

Major work on the upgraded started in September 2018. Key activities being carried out between now and August 2019 include:

  • installing bridges planks and girders
  • shifting Princes highway traffic laterally to open up new areas for work
  • start building the western retaining wall near Strongs Road
  • local road traffic shifts including Abernethy’s Lane and Jaspers Brush Road to allow for work to start on the new intersections and interchanges
  • continued closure of overtaking lanes within the project
  • building the Lamonds Lane and Boxsells Lane turning bays
  • building new driveways to properties affected by the upgrade
  • continuing work on the 11 bridges across the project
  • installing drainage structures (culverts).
  • start building the new highway pavement

Project benefits

The project will:

  • Increase road capacity
  • Improve traffic flow
  • Deliver better and more reliable journeys
  • Increase overtaking opportunities
  • Improve safety
  • Plan for future growth


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