Setting a precedent in sustainability, the Sydney Road to Edgars Road segment of the M80 Upgrade has achieved a notable milestone.

It has become the first significant road project in Victoria to incorporate recycled content in every layer of the road pavement, with recycled materials constituting over 66% of the road's composition.

The new upgrade widened 5.7 kilometres of freeway; adding additional lanes, ramps, collector distributors and a smart freeway system – all in and around live traffic flows.

Working with suppliers to develop a 100% recycled stabilised glass-sand mix, resulted in more than 22 million glass bottles being used in the base course of the road.

Overall, the Victorian Infrastructure team reduced greenhouse gas emissions by over 40%, avoiding 18,530 Tons of carbon dioxide emissions.

The ground glass pozzolan was used in conjunction with a number of other waste materials, including 51,000 tons of recycled pavement materials, 800,000 toner cartridges, and 820 passenger car tyres.

Precast barriers across the project also contained 50% supplementary cementitious materials (SCM), a state first initiative in Victoria.

The M80 upgrade has already received nationally recognised awards, being named one of the Concrete Institute of Australia’s 2023 Technology & Innovation winners, along with taking out the top prize at the 2023 Australian Construction Achievement Award (ACAA).

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