Seymour Whyte completes Great Western Highway Upgrade at Forty Bends


Image: Challenging curves - The Hon. Andrew Gee MP next to one of the project’s most impressive structures—the arch over White’s Creek, which was also its most challenging to construct.

08 November 2017

Seymour Whyte has successfully delivered the Great Western Highway Upgrade at Forty Bends—giving Blue Mountains motorists a smoother and safer journey as part of the Australian and New South Wales Governments’ $250 million Great Western Highway upgrade between Katoomba and Lithgow.

The works at Forty Bends were completed in combination with the Great Western Highway – Hartley Valley Safety Works, which opened to traffic in July 2017.

Seymour Whyte Regional Manager – Southern Mr Steve Lambert said the construction of the upgrade project started in February 2015 and involved reconstruction, realignment and widening approximately 12 km of the Great Western Highway.

“I congratulate our team and Roads and Maritime Services for the safe and on-time delivery of this project,” he said.

“The team faced challenges such as design constructability issues, weather, vital nightworks and detours—however were able to address these effectively through a collaborative approach with our client.”


Image: Thumbs up - The Hon. Andrew Gee MP (centre) with the Seymour Whyte and Roads and Maritime Services project team members inspecting the new, upgraded section

Federal Member for Calare Andrew Gee inspected the site with Mr Lambert, Roads and Maritime officers and Seymour Whyte team members earlier this month, and said the upgrades along the Great Western Highway would improve traffic flow and travel conditions for motorists.

“Protected deceleration lanes at key intersections have improved safety while widened road shoulders will improve access to and from the highway. Work on the Forty Bends project included widening the existing road to three lanes with the specific purpose of reducing the risk posed by black ice formation,” Mr Gee said.

As part of the site inspection, the group had a close-up view of the 45 m long, 17 m wide arch structure over White’s Creek and its 18 m high reinforced soil walls.

Mr Lambert said the structure had represented the project’s highest safety, cost and program risks, which the project team mitigated by working closely with the designers.

“Our team had the foresight to consider constructability during the design phase and managed to eliminate risk and achieve significant time and cost savings,” he said.

“This was just one example of how Seymour Whyte’s creativity and agility provided value to the client.”

Seymour Whyte also provided additional value to the local communities that had so warmly welcomed the team. Over the project duration, Seymour Whyte employees and subcontractors raised almost $20,000 for local charities.




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