Diamantina Developmental Road (Charleville - Quilpie), widen and seal

Works involved pavement widening and sealing on various sections of the Diamantina Developmental Road (Charleville – Quilpie) between 69.59km to 180.5km west of Charleville.

The works have been delivered through the Regional Economic Enabling Fund (REEF)—a package of works delivering targeted upgrades to many roads across regional Queensland in response to COVID-19.


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

Key features

  • Pavement widening and sealing on various sections to 8m.
  • Improved overtaking opportunities.


These projects were jointly funded by the Australian and Queensland governments on an 80:20 (federal:state) basis. Investment IDs 1693109, 1691831.

Total investment
$6.65 million
Australian Government
$5.32 million
Queensland Government
$1.33 million

Current status

Site 1 - Construction started on 12 April 2021 and was completed in mid-July 2021.

Site 2 - Construction started on 19 July 2021 and was completed in late March 2021.

Diamantina Developmental Road (Charleville - Quilpie) pavement widening map