• Central Queensland Region
Location
In sections from around 50km to 130km north-west of Dajarra
Timing
Works commenced in September 2024 with completion expected mid-2025
Status
Construction

Diamantina Developmental Road (Dajarra – Mount Isa), package of safety improvements

Safety on the Diamantina Developmental Road between Dajarra and Mount Isa will be improved through a package of targeted upgrades.

Works include widening and strengthening a priority 2km section of pavement, widening approaches to Waverley Creek bridge and upgrading aged drainage structures.

The package of works includes 3 separate projects that will be delivered progressively to improve safety and reliability for everyone who uses this key link. This includes remote communities who rely on the road to access goods and essential services such as health, education and employment.

The road is also an important route for the movement of cattle and freight, mining and outback tourism.

Benefits

  • Contributes to regional growth
  • Contributes to economy
  • Improves network reliability
  • Improves safety
  • Reduces travel time

Key features

  • Widen and strengthen a priority 2km section of pavement to 8m.
  • Widen approaches to Waverley Creek bridge.
  • Upgrade aged drainage structures.
  • Provides additional overtaking opportunities.
  • Improves travel times and wet weather access.

Funding

The 3 projects are funded separately:

  • Diamantina Developmental Road (Dajarra – Mount Isa), overtaking opportunity – $2.5 million. Jointly funded on a 50:50 basis under the Road Safety Program ($1.25 million Australian Government; $1.25 million Queensland Government).
    Investment ID: 3027035
  • Diamantina Developmental Road (Dajarra – Mount Isa), Waverley Creek, northern approach, undertake safety improvements – $1.416 million. Fully funded by the Queensland Government.
    Investment ID: 3015377
  • Diamantina Developmental Road (Dajarra – Mount Isa), replace corrugated steel pipes – $1.2 million. Fully funded by the Queensland Government.
    Investment ID: 3012103

Total investment
$5.116 million
Australian Government
$1.25 million
Queensland Government
$3.866 million

Current status

Construction started in September 2024 and is being delivered progressively by local road crews from Boulia Shire Council. Completion is expected mid-2025.

In addition to the delivery of this package of safety improvements, the department has completed a $180,000 planning project to identify future locations of additional widening and overtaking opportunities on this road to ensure readiness as funding becomes available.

Project location map

The map shows the locality of three projects being delivered progressively on the Diamantina Developmental Road (Dajarra – Mount Isa) to improve safety on this road. The road is located between the townships of Dajarra and Mount Isa in far western Queensland, with the projects located in sections from around 50km to 130km north-west of Dajarra. Project location 1 is shown by a solid green line. Project location 2 is shown by a solid orange line. Project location 3 is shown by a solid dark blue line. The supporting road network including the Duchess Dajarra Road and Barkly Highway is also shown on the map.
The map shows the locality of 3 projects being delivered progressively on the Diamantina Developmental Road (Dajarra – Mount Isa) to improve safety on this road. The road is located between the townships of Dajarra and Mount Isa in far western Queensland, with the projects located in sections from around 50km to 130km north-west of Dajarra. Project location 1 is shown by a solid green line. Project location 2 is shown by a solid orange line. Project location 3 is shown by a solid dark blue line. The supporting road network including the Duchess Dajarra Road and Barkly Highway is also shown on the map.

Last updated: 8 February 2025