Horrocks Highway upgrades

About the project

We are delivering infrastructure upgrades along the 245km section of Horrocks Highway between Wilmington and Gawler. This will improve safety, connectivity and freight efficiency, and create jobs.

Works have so far have included:

shoulder sealing
pavement rehabilitation
lane widening
sealing of local road approaches
new overtaking lanes and overtaking lane extensions
bridge upgrades
safety barriers
Audio Tactile Line Marking (ATLM)
improvements to the Gladstone rail corridor and level crossing.

Fast facts

Status

Works underway.

Location

Horrocks Highway between Wilmington and Gawler.

Funding

Funded by the State and Federal governments.

What's happening

Current works

We have upgraded two culverts along the Horrocks Highway, one north of Rhynie and the other just south of Murray town at Wild Dog Creek.

Works to reinstate Horrocks Highway at these locations, including asphalt sealing and line marking, will continue through 2025.

Completed works

Location	Scope	Completion date
Between Clare and Templers	Installation of Audio Tactile Line Marking.	March 2024
Between Melrose and Wirrabara, between Goyder Highway and Yacka and between RM Williams Way and Clare.	Installation of Audio Tactile Line Marking.	March 2024
Horrocks Highway and Stockport Road junction, Tarlee	Junction upgrade	March 2024
Geddes Bridge (South of Wirrabara)	Bridge upgrade - strengthening to improve safety and reliability for freight vehicles.	November 2023
Little Spring Creek, Spring Creek, south of Wilmington, Hutt River north of Clare	Bridge upgrades – to remove constraints preventing the use of freight vehicles.	August 2023
Undalya to Giles Corner	Approximately 18km of shoulder sealing	June 2023
Stockport (Between Tarlee and Templers)	Construction of new northbound and southbound overtaking lanes	May 2023
Auburn (between Auburn and Clare)	Construction of a new northbound overtaking lane	May 2023
Rhynie (between Tarlee and Rhynie)	Construction of southbound overtaking lane extension	May 2023
Rhynie (between Tarlee and Rhynie)	Construction of a new northbound overtaking lane	May 2023
Tarlee to Linwood	Approximately 6.6km of pavement rehabilitation and shoulder sealing	May 2023
Morn Hill	Approximately 1km of pavement rehabilitation and shoulder sealing	May 2023
Between Wilmington and Templers	Shoulder sealing, pavement rehabilitation, safety barrier upgrades, directional signage replacements, centreline treatments	May 2023
Gladstone Level Crossing	Upgrades to the Gladstone rail corridor and level crossing to address extended periods of flashing rail signals whilst rail movements occur near the Horrocks Highway level crossing.	February 2023