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North-South Corridor - Darlington to Anzac Highway

Funding Program:Investment Road and Rail Program
Status:In planning
Transport Mode:Road
Expected Start/Finish:Late 2023 - Late 2028
Estimated Project Cost:$5,422,000,000
Australian Government Contribution:$2,711,000,000
Local Council/Shire:The Corporation of the City of Adelaide,City of Charles Sturt,Town of Gawler,Corporation of the City of Marion,City of Mitcham,City of Onkaparinga,City of Playford,City of Port Adelaide Enfield,City of Salisbury,City of West Torrens

Project Description

The project will involve planning, design and construction of approximately 6km of motorway on the North-South Corridor from Darlington to Anzac Highway, including over 4km of tunnels. 


The North-South Corridor - Darlington to Anzac Highway project is expected to deliver the following benefits:

  • reduced congestion and improved travel times
  • improved road safety for all road users
  • improved efficiency and network reliability


The Australian Government will provide up to $2.711 billion towards the North-South Corridor - Darlington to Anzac Highway project (including a $111 million planning payment made in June 2019) with matching contributions from the South Australian Government. The approximate total cost for this stage of the project is $5.422 billion.


Planning is underway with a North-South Corridor combined Business Case for both Stage One - Darlington to Anzac Highway and Stage Two - River Torrens to Anzac Highway. This Business case is expected to be finalised in 2021.

The North-South Corridor - Darlington to Anzac Highway stage is expected to commence construction in late 2023 and be finished construction by late 2028.

Disclaimer: The material contained in this site is made available on the understanding that the Department is not thereby engaged in rendering professional advice for a particular purpose. Before relying on the material in any important matter, users should carefully evaluate the accuracy, completeness and relevance of the information for their purposes and should obtain appropriate professional advice relevant to their particular circumstances.

Project details last updated: 19/05/2021