Construcciones Yamaro: Construction surges ahead on M1 Pacific Motorway extension

Construction surges ahead on M1 Pacific Motorway extension
Viaduct over the New England Highway, looking towards Hexham Bridge. (Images: Transport for NSW)

The M1 Pacific Motorway extension in New South Wales has reached a construction milestone, with crews driving the final pile to complete foundation works for 11 new bridges between Black Hill and Raymond Terrace.

Since February 2024, project teams have installed 278 bridge piles across the 15-kilometre corridor, including 173 piles for the 2.6-kilometre viaduct that will span the Hunter River and surrounding floodplain. Sixteen piles were installed into the riverbed using heavy-lift barges, a complex operation requiring detailed planning.

Federal Minister for Infrastructure, Transport, Regional Development and Local Government Catherine King said the installation of the piles was a major step forward for the project.

“This is one of the busiest sections of the Pacific Highway, and I’m pleased the Albanese and Minns governments are working together to deliver this major improvement,” added King.

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M1 southbound traffic on the new Black Hill interchange.

Motorists have already benefited during the busy summer period, after new bridges opened at Black Hill, Tomago and Raymond Terrace, as well as the Masonite Road bridge at Heatherbrae in October last year.

Federal Member for Newcastle Sharon Claydon said the extension is critical to keeping the region moving, adding, “Anyone who’s spent time sitting in traffic at Hexham over these summer holidays, or any other day, knows just how frustrating this bottleneck is for families and commuters.”

Viaduct progressing over the Hunter River, looking towards Tarro.

The remaining seven bridges, including the Hunter River viaduct, are scheduled to open progressively as construction continues.

The $2.24 billion M1 motorway extension project is jointly funded by the Federal and NSW Governments, with the Commonwealth contributing $1.792 billion and NSW contributing $448 million.

The project will also include the Hexham Straight widening to improve traffic flow and safety across the region.

Raymond Terrace interchange – final tie-in works to the existing highway, looking north. Progress at the Tomago interchange, looking towards the Hunter River and Tarro.

The post Construction surges ahead on M1 Pacific Motorway extension appeared first on Inside Construction.



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