Great Western Highway, Katoomba

Great Western Highway Upgrade Program - Safety Improvement Upgrades

The Australian and NSW Governments are investing $250 million to upgrade the Great Western Highway between Katoomba and Lithgow.

Project information

The construction contract has been awarded and construction work is underway. The upgrade is expected to be open to traffic in late 2019, weather permitting.

Roads and Maritime Services has completed the important 1.6 kilometre safety upgrade of the Great Western Highway through Mount Victoria village.

The road was opened to traffic in March 2018.

Roads and Maritime Services completed the safety upgrades and road improvements on the Great Western Highway between Hartley Valley and Forty Bends in October 2017.

The upgrade included:

  • improvements along the existing highway, including changes to curves to make them safer
  • precast arch structure over Whites Creek and concrete pavement at Forty Bends to lessen the risk of black ice formation
  • five main intersection upgrades:
    • Coxs River Road and Ambermere Drive
    • Baaners Lane and Browns Gap Road
    • Old Bathurst Road
    • Jenolan Caves Road and Blackmans Creek Road
    • Daintree Close
  • more arrows and reflective markers on the highway to provide clear definition of lanes
  • provision of concrete and wire rope safety barriers
  • improved road surface.

Project documents


Contact us

For further information about this project contact:

Phone: 1800 035 733 (toll free)


Mail: Katoomba to Lithgow, PO Box 334 Parkes NSW 2870

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