Diamantina Developmental Road

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Diamantina Developmental Road
Diamantina Developmental Road - Map.svg
Diamantina Developmental Road (green on black).
General information
Type Rural road
Length 1,344 km (835 mi)
Route number(s)
  • State Route 14 (Charleville - Windorah)
  • State Route 12 (Windorah - Bedourie)
  • National Route 83 (Bedourie - Mount Isa)
Major junctions
South-east end Mitchell Highway (State Highway A71), Charleville, Queensland
North-west end Barkly Highway (National Route 83 / State Route A2), Mount Isa, Queensland
Major settlements Quilpie, Windorah, Bedourie, Boulia, Dajarra

The Diamantina Developmental Road is a gazetted road entirely in Queensland, that runs from Charleville in the south-central part of the state to Mount Isa in the north-west.[1]

Route description[edit]

The road passes through the towns of Quilpie, Windorah, Bedourie, Boulia, and Dajarra in its 1344 kilometer length, and most of it is sealed.[2] Some sections between Windorah and Boulia are unsealed. The road crosses several well known rivers and creeks of the Channel Country of south-west Queensland, including the Paroo River, Bulloo River, Cooper Creek and Diamantina River.

Responsible authority[edit]

Maintenance of the road is the responsibility of the Queensland State Government.[1]

Major intersections[edit]

LGA Location km mi Destinations Notes
Murweh Charleville 0 0.0 Mitchell Highway (State Highway A71) - north - Augathella /
south - Cunnamulla
South-eastern end of Diamantina Developmental Road (State Route 14)
Quilpie Quilpie 197 122 Quilpie Adavale Road - north - Adavale
212 132 Quilpie Thargomindah Road - south - Thargomindah
247 153 Cooper Developmental Road - west - Eromanga
Quilpie / Barcoo boundary Quilpie / Windorah boundary 385 239 Name changes to Quilpie Windorah Road
Barcoo Windorah 450 280 Thomson Developmental Road (See Notes column) - north - Longreach Thomson Developmental Road is part of a former proposed National Route 79 from Melbourne to Longreach. This route is now signed as M79/A79 from Melbourne to Mildura, then B79 to Broken Hill, beyond which there is no signed number.[3]
456 283 Name reverts to Diamantina Developmental Road as it passes through Windorah CBD
566 352 Birdsville Developmental Road (State Route 14) - south-west - Birdsville Road changes to State Route 12
Diamantina Bedourie 824 512 Eyre Developmental Road (National Route 83) - south - Birdsville Road changes to National Route 83
847 526 Name changes to Boulia Bedourie Road as it passes through Bedourie CBD
Boulia Boulia 1,038 645 Winton Road (State Route 62) - east - Winton Name changes to Boulia Mount Isa Highway
1,048 651 Donohue Highway - west - Queensland / Northern Territory border, where it becomes Plenty Highway (NT State Route 12)
Mount Isa Mount Isa 1,344 835 Barkly Highway (State Highway A2) - north, then west - Camooweal /
Barkly Highway (National Highway 83) - east - Cloncurry
North-western end of Diamantina Developmental Road
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  •       Route transition


  1. ^ a b Queensland Government - Department of Transport and Main Roads - Maps
  2. ^ Hema, Maps (2007). Australia Road and 4WD Atlas (Map). Eight Mile Plains Queensland: Hema Maps. pp. 16,17,18,19. ISBN 978-1-86500-456-3. 
  3. ^ "National Route 79". ozroads.com.au. Retrieved 10 January 2017.