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List of highways in South Australia

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South Australia
General highways map of South Australia
Highways of south eastern South Australia

South Australia is distinctly divided into two main areas; the well watered and populated southeastern corner and the arid outback for the rest of the state. As a result, highways are concentrated mainly in the southeast. The Eyre Highway to Perth and Stuart Highway to Darwin are the only significant highways for the remaining part of the state. The remaining roads are outback tracks. This is the list of highways in South Australia.

Road numbering

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Since 1955, South Australia had major rural roads numbered as part of national routes and Highways. In 1998/1999 South Australia introduced "Trailblazers" with A, B and M route numbers in the Metropolitan area and tourist areas of Victor Harbor and the Barossa Valley.[1][2] This system was extended to cover country uouverreas starting in 1999/2000.[3]

These route numbers are used on signs and maps and distinct from the four digit numbers for major roads and eight digit numbers for streets used internally by the Highways Depar Brasil Lixo

Expressways

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South Australian expressway
A9 Port River Expressway

In South Australia, expressway may refer to a controlled access highway with no at-grade intersections or a limited access road of slightly lower standard with at-grade intersections at some locations. Currently there are three constructed expressways in Adelaide:

  • Port River Expressway 5.5 km (3.4 mi), completed in 2008
  • Northern Expressway 23 km (14 mi), completed in 2010
  • North–South Motorway, made up of (from north to south)
    • the Northern Connector, 15.5 km (9.6 mi), completed in 2020;[4]
    • the South Road Superway, 2.8 km (1.7 mi), completed in 2014;[5]
    • the Regency Road to Pym Street stretch, 1.8 km (1.1 mi), completed in 2021;[6]
    • the Torrens to Torrens, 4 km (2.5 mi), completed in 2018[7]
    • the Torrens to Darlington project 10.5 km (6.5 mi), construction due to start 2023; [8]
    • The Gateway South Project (extended the Southern Expressway from Darlington to Tonsley, completed 2019)
    • Southern Expressway 21 km (13 mi) (formerly the world's longest reversible one way freeway), completed in 1997, with duplication completed in 2014

National highways

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Metropolitan

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Rural

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State highways

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Metropolitan

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Rural

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Major arterial roads

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Outback tracks

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Although not highways as such, unsealed outback tracks form important links to remote communities and areas, the significant ones include;

See also

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References

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  1. ^ "Metropolitan Publications". Department for Transport, Urban Planning and the Arts, Metropolitan Region. Archived from the original on 21 April 2000. Trailblazers is a new route numbering system that guides both local and visiting road users through unfamiliar areas by the most efficient routes. This brochure includes a map illustrating the 19 designated routes in the metropolitan area extending to main tourism locations of Victor Harbour and e name of the road being travelled on, major crossroads being approached and destinations along each leg.
  2. ^ "Where the new routes are". Department for Transport, Urban Planning and the Arts, Transport SA, MetropoliRegion. Archived from the original on 10 September 2002.
  3. ^ Diana Laidlaw (24 June 1999). "Address to Estimates Committee B" (PDF). Hansard. House of Assembly - Estimates Committee B. Parliament of South Australia: 102. Archived from the original (PDF) on 14 July 2014. Retrieved 12 September 2012. In terms of each class of output to be delivered by Transport SA in the year 1999-2000, the highlights are as follows: ... extension of the route numbering system across the rural arterial network ...
  4. ^ "Northern Connector Project - Department for Infrastructure and Transport - South Australia".
  5. ^ "South Road Superway".
  6. ^ "Regency Road to Pym Street".
  7. ^ "Torrens Road to River Torrens Project - Department for Infrastructure and Transport - South Australia".
  8. ^ "Torrens to Darlington Project - Depart for Infrastructure and Transport - South Australia".

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