Barkly Highway

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Barkly Highway
Northern TerritoryQueensland
Barkly Highway Queensland.jpg
Barkly Highway in Queensland
General information
Type Highway
Length 755 km (469 mi)
Route number(s)
  • National Highway 66 (Tennant Creek - NT/Qld Border; future route B66)
  • National Highway A2 (NT/Qld Border - Cloncurry)
route number
National Highway 66 (Entire route)
Major junctions
West end Stuart Highway, Tennant Creek, Northern Territory
East end Landsborough Highway, Cloncurry, Queensland
Major settlements Camooweal, Mount Isa
Highway system
Highways in Australia
National HighwayFreeways in Australia
Highways in the Northern Territory
Highways in Queensland

The Barkly Highway is a national highway of both Queensland and the Northern Territory.[1]


The highway runs between Cloncurry and the junction with the Stuart Highway north of Tennant Creek, known as the "Threeways". The entire highway is part of the National Highway system: it is assigned National Route 66; the Queensland portion was recently redesignated as National Route A2.

An upgrade of the Queensland section of the highway between Mount Isa and Camooweal was completed in 2008 and despite floods of 2009, 2010 and 2011, the Queensland sections of road were in good condition (as of 2015).

The Northern Territory section has a speed limit of 130 km per hour along most of its length.[2] It is the main transport route between Queensland and the Northern Territory, consequently many road trains use it.

Approximate road distances (in kilometres) from Mount Isa westwards

List of towns along the Barkly Highway[edit]

See also[edit]


  1. ^ Hema, Maps (2005). Australia’s Great Desert Tracks NE Sheet (Map). Eight Mile Plains Queensland: Hema Maps. ISBN 978-1865005461. 
  2. ^ "Northern Territory Information". Gondwananet. 

External links[edit]

Media related to Barkly Highway at Wikimedia Commons