Alliance selected to deliver Main South Road Duplication Project

Render of Main South Road Duplication Project. Image: CPB Contractors

The South Australian Government has revealed the alliance to help deliver the Main South Road Duplication project.  

CIMIC Group’s CPB Contractors were selected as part of Fleurieu Connections Alliance to deliver the project with the Department of Infrastructure and Transport, Aurecon and GHD. CPB Contractors’ construction of MSRD2 will include the delivery of a six-kilometre duplication road between Aldinga Road and Sellicks Beach Road in the south of Adelaide.   

According to the company, the contract will generate revenue of approximately $200 million for it.  

“CPB Contractors has the experience to safely and reliably deliver the Main South Road Duplication 2 Project,” said Juan Santamaria, executive chairman of CIMIC Group. 

“This is a significant productivity-enhancing project for regional South Australia that will ensure a safer and faster journey for motorists while providing a vital boost for local tourism.” 

The project is due for completion in early 2026 with works including urban design, services installation, staging or temporary works, construction of civil and structures, including a new interchange at Aldinga, installation road monitoring cameras and variable message sign (VMS) board, and landscaping. 

“We’ll be drawing on our 90-plus years’ experience delivering complex road infrastructure as well as our local relationships and knowledge working on the Main South Road and Victor Harbor Road duplication project,” said Jason Spears, managing director of CPB Contractors. 

“Together with the Department of Infrastructure and Transport and our Alliance partners, we look forward to continuing to engage with local people, suppliers and businesses to ensure we maximise economic, employment and social opportunities for the community.” 

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