Quick Facts

Employment
766
Investment
$305 m
Benefits
  • Safer Roads
  • More Visitors
  • Support Growth

3.4 Main South Road Duplication

Optimise economic and social outcomes from the Main South Road Duplication project by committing to the long-term future of the project and engaging with councils in early design and planning

The 2017/18 State Budget committed $305 m to the duplication of Main South Road between Seaford and Sellicks Beach. The project, scheduled to commence in 2019, aims to improve road safety, improve traffic flow and increase capacity. Duplication will make travelling to, from and within Adelaide’s south safer and easier. 

Main South Road is one of the main traffic corridors to the Fleurieu Peninsula. It carries significant traffic volumes between Adelaide and the tourist centres to the south – including Kangaroo Island – and is a major commuter route for the rapidly expanding residential area of Aldinga. 

There has also been an increase in traffic volumes, with the average annual daily traffic volume along Main South Road, between Tatachilla Road and Malpas Road doubling over the last 13 years. Volumes on this section of Main South Road are expected to continue to grow with several housing and commercial developments under construction and planned in Seaford and Aldinga.

The duplication will help to grow tourism by making the Fleurieu Peninsula and its wine regions, walking trails, restaurants and southern beaches more accessible, providing for more economic development opportunities.

Councils in the region are well placed to provide advice about local needs and expectations, and to assist with planning to ensure that economic development opportunities are maximised. 

Download the 3.4 Main South Road Duplication information sheet here.