Skip to main content

Augusta Highway Upgrades

The Augusta Highway Upgrades is delivering infrastructure upgrades along the 209km road section between Port Wakefield and Port Augusta, to improve safety, connectivity and freight efficiency, whilst importantly creating jobs.

Works include:

  • Duplication of the Augusta Highway from Port Wakefield to Lochiel;
  • Two new overtaking lanes between Lochiel and Redhill;
  • A new northbound overtaking lane just south of the Horrocks Pass Road and Augusta Highway junction;
  • Junction Upgrades between Redhill and Winninowie, including:
    • Augusta Highway and Horrocks Pass Road, at Winninowie;
    • Venning Road junction upgrade (south of Crystal Brook and north of Redhill on the Augusta Highway);
    • Clements Road junction upgrade (south of Crystal Brook and north of Redhill on the Augusta Highway);
    • Flinders View Drive junction upgrade (north of Crystal Brook and south of Port Germein);
  • Shoulder sealing; and
  • Pavement Rehabilitation.

These improvements are jointly funded by the Australian and South Australian Governments (80:20).

The funding programs include:

Current works

LocationScopeStart Date*Expected Completion Date (weather permitting )
between Lake View Road and Mallee Corner Road Redhill southbound overtaking lane (delivered by PW2PA Alliance) July 2022 Visit PW2PA Alliance webpage
between Lochiel and Redhill Augusta Highway Duplication (delivered by PW2PA Alliance) July 2022 Visit PW2PA Alliance webpage
Flinders View Drive and Augusta Highway Junction Junction upgrade: works include a new right turn lane and left turn lane into Flinders View Drive, installation of new lighting and line marking. September 2024*Late 2024*
Clements Road and Augusta Highway Junction
Junction Upgrade: works include widening the left turn lane into Clements Road, installation of new lighting and line marking.
June 2023
April 2024
Horrocks Pass Road and Augusta Highway Junction Junction upgrade: works include improving the right turn lane from Horrocks Pass Road to Augusta Highway, extending the deceleration lanes for both left and right turns into Horrocks Pass Road, upgrades to existing lighting and installation of new lighting, and new line marking Planning UnderwayPlanning Underway
*Dates in the future are indicative 
Completed Projects

LocationScopeCompletion Date
Venning Road and Augusta Highway Junction Junction upgrade: works include widening the northbound right turn lane into Venning Road, installation of new lighting and line marking. November 2023
Lochiel southbound overtaking laneNew southbound overtaking lane between Maro Creek Road and Diagonal Road, north of LochielApril 2023

Further Information

For more information or to register your interest please contact the project team: