Carnarvon Highway Intersection Upgrades

The Roads of Strategic Importance (ROSI) initiative will deliver targeted upgrades to the Carnarvon Highway and surrounding roads.

As part of the Townsville to Roma Corridor Upgrade (a ROSI initiative) the Carnarvon Highway intersections with the Castlereagh Highway and Salmon Road has been completed. 


  • Improves safety
  • Improves network efficiency
  • Contributes to economy
  • Contributes to regional growth

Key features

  • Improved intersection turn treatments.
  • Improved approaches to the Carnarvon Highway.


These projects are jointly funded by the Australian and Queensland governments on an 80:20 basis.

Total investment
$8.2 million
Australian Government
$6.56 million
Queensland Government
$1.64 million

Current status

Construction was completed on 25 April 2021.

Carnarvon Highway (Mungindi - St George) and Castlereagh Highway intersection map
 Carnarvon Highway Intersection Carnarvon Castlereagh map
Carnarvon Highway (St George - Surat) and Salmon Road intersection map

Carnarvon Highway Intersection Carnarvon Salmon