CIMIC company CPB Contractors has confirmed the completion of the Elizabeth Drive upgrade, which is being delivered under the M12 West project in New South Wales (NSW), Australia.
The upgrade works, which form part of the A$2.1bn ($2.73bn) toll-free M12 Motorway, saw the creation of a three-lane dual carriageway along the 2.2km corridor, supporting up to 28,000 vehicles each day.
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The section has already been opened to traffic.
The corridor now provides a direct route to Western Sydney International Airport and nearby areas such as Badgerys Creek, Bradfield, Liverpool, and Kemps Creek.
The works included construction of a new bridge over the Sydney Metro-Western Sydney Airport project and Warami Drive, as well as executing six major traffic switches, constructing two intersections, and carrying out significant utility relocations.
The project required more than 450,000m³ of fill, 24,000 tonnes of asphalt, and 8,500m³ of concrete.
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By GlobalDataOver 1,068 days, workers completed more than 12,000 labour hours while keeping the road operational to limit disruptions for local motorists and residents.
CPB Contractors project director Vishal Khosla said: “This is a critical milestone for the M12 West project and Western Sydney, preparing for the opening of the new airport and building infrastructure that will support growth for decades to come.
“What stands out is how the team pulled together with our client, utilities, and partners to get the job done safely and efficiently.”
Construction on the toll-free M12 Motorway reached a milestone in April this year, with 14km of road finished and progressing as scheduled.
The remaining work focuses on landscaping, installing signage, and implementing safety measures along the completed section.
Authorities expect to open the entire 16km motorway to the public in 2026, following completion of these final stages.
Transport for NSW’s delivery partners Seymour Whyte and the CPB Georgiou Group joint venture have completed both the central and western portions of the motorway.
