The upcoming State Budget will include new funding to deliver $80 million worth of critical safety improvements on a notorious section of Main South Road between Myponga and Yankalilla.
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Over five years from 2025-26, the State Government will partner with the Federal Government to provide funding which will include the construction of new overtaking lanes.
From Adelaide to destinations along the Fleurieu Peninsula, the Main South Road is a key route for heavy vehicles, commuters and tourists. The section of road between Myponga and Yankalilla carries around 4,900 vehicles a day.
Due to the road including many curves and an undulating environment, this makes overtaking difficult, resulting in delays and driver frustrations which can ultimately lead to unsafe behaviour.
There were 16 crashes that resulted in one fatality and five people seriously injured between 2019 and 2023. In 2024, five crashes resulted in four lives lost and two serious injuries.
Upgrades will include the construction of two new overtaking lanes, targeted curve easing and road widening, as well as widening narrow bridges and culverts to improve overtaking opportunities and safer roads.
Per year, approximately 125 full time jobs are expected to be supported by this project over the construction period.
This project complements the State Government’s election commitment to deliver three overtaking lanes on Main South Road between Normanville and Cape Jervis, which sees between 1,200 to 2,200 vehicles a day.
This now brings a total investment of $111.8 million to deliver five overtaking lanes and other safety upgrades on Main South Road between Myponga and Cape Jervis.
Between 2019 and 2023 there were 17 crashes between Normanville and Cape Jervis, including two fatal crashes and eight crashes resulting in 12 serious injuries. In 2024 there were four crashes leaving ten people seriously injured.
These overtaking lanes will reduce risky overtaking behaviour and support improved traffic flow and safety for locals, tourists, and heavy vehicles, while also building capacity for future growth.
This project is expected to support approximately 115 full time equivalent jobs over the construction period.
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