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, January 2019
Aerial view of work on the Princes Highway between Berry and Bomaderry, January 2019

Updates and announcements

Easter and ANZAC Day holiday period

Work will be suspended on the Princes Highway Berry to Bomaderry upgrade during the Easter and ANZAC Day holiday period.

There will be no work on the highway between 6pm Wednesday 17 April and 7am Monday 29 April. An 80 km/h speed limit will be in place for the length of the upgrade during this time.

Removal of overtaking lanes

Motorists are advised of changed traffic conditions from next week on the Princes Highway between Berry and Bomaderry as Roads and Maritime Services start 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.

The four overtaking lanes will be progressively removed, starting with the northbound overtaking lane south of Boxsells Lane and the southbound overtaking lane south of Morschels Lane. This will be carried out during upcoming night work to update linemarking between Morschels Lane/Devitts Lane and Meroo Road. Night work will occur over five nights from Monday 8 April between 8pm and 5am, weather permitting.

Motorists are advised to allow additional travel time, drive to the conditions, and follow the directions of signs and traffic control.

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 - February 2019

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

  • diverting traffic onto a temporary road at Wileys Creek
  • diverting traffic on local roads including Abernethy’s Lane, Jaspers Brush Road, Meroo Road to allow for work to start on the new interchanges and intersections
  • building the Lamonds Lane turning bay
  • building new driveways for property owners affected by the upgrade
  • continuing work on the 11 bridges across the project
  • installing drainage structures (culverts).

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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