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Main South Road Duplication - Stage 1

Seaford to Aldinga

Between Seaford and Aldinga, Main South Road will be fully duplicated.

This will include:

  • a grade separation (overpass) at the intersection of Tatachilla Road and Maslin Beach Road;
  • a grade separation (underpass) at the intersection of Port Road;
  • a grade separation and road alignment at the intersection of Main South Road and Aldinga Road, removing the planned roundabout at Aldinga Road;
  • a Shared Use Path for pedestrians and cyclists along the length of the upgrade with links to Aldinga and the Coast to Vines Rail Trail; and

Major construction works commenced on the Seaford to Aldinga section of Main South Road in April 2022.

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