| Funding Program: | Investment Road and Rail Program |
| Status: | Completed |
| Transport Mode: | Road |
| Expected Start/Finish: | Early 2016 - Mid 2020 |
| Estimated Project Cost: | $754,500,000 |
| Australian Government Contribution: | $603,600,000 |
| Local Council/Shire: | Corporation of the City of Marion,City of Mitcham,City of Onkaparinga |
| State: | SA |
| Corridor: | Adelaide Urban |
Project DescriptionThe Darlington Upgrade project involves reconfiguration of approximately 3.3km of South Road from the Southern Expressway to north of Tonsley Boulevard into an expressway-standard road. It includes a lowered non-stop motorway that passes underneath Flinders Drive, Sturt Road, Mimosa Terrace/Sutton Road, Ayliffes Road and Tonsley Boulevard, at-grade service roads, and a full free flow interchange at the Southern Expressway/Main South Road junction.
The project is part of the North-South Corridor, which is a critical route for the movement of freight and business-related passenger traffic, connecting the Port of Adelaide, Adelaide Airport, the Islington intermodal terminal and other freight terminals. BenefitsThe Darlington Upgrade project will upgrade the North-South Corridor through the following benefits:
- reduced travel times for long distance north-south movements through Darlington
- reduced travel times for arterial road and local road movements
- improved freight transport productivity in Adelaide
- enhanced productivity and increased competitiveness for export industries
- reduced traffic congestion and improved safety at this critical location
- improved north-south traffic flows along the corridor
- improved connectivity for east-west traffic by reducing delays at South Road intersections
FundingThe Australian Government is contributing $603.6 million towards the $754.5 million project. TimetableConstruction commenced in April 2016 and was completed in July 2020. |
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Project details last updated: 17/08/2020
