State Circle

State Circle is a circular road surrounding Capital Hill in the centre of Canberra, Australia's capital city. It is the outermost of the three concentric roads on the hill, with Capital Circle and Parliament Drive located within State Circle. Capital Circle is a bi-directional four-lane road with most intersections being signalised and at-grade. The speed limit is 70 km/h.[2]

State Circle

Australian Capital Territory
State Circle is the outer of two circular concentric roads that orbit Parliament House, Canberra.
State Circle is the outer of two circular concentric roads that orbit Parliament House.
General information
TypeRoad
LocationCanberra
Length3 km (1.9 mi)
Route number(s) A23[1] (2013–present)
(Canberra Avenue to Commonwealth Avenue, anti-clockwise, northbound only)
Former
route number
  • National Route 23 (1955–2013)
  • ACT Tourist Drive 1
    (through Parkes)
  • ACT Tourist Drive 5
    (Yarralumla–Forrest)
  • ACT Tourist Drive 6
    (Parkes–Barton)
Ring road aroundCapital Hill
Major junctions
From Commonwealth Avenue
Capital Hill, Australian Capital Territory
 
To Commonwealth Avenue
Capital Hill, Australian Capital Territory
Location(s)
Major suburbsParkes, Barton, Forrest, Deakin, Yarralumla

It is named for the states of Australia. Roads named for each of Australia's state capitals are also among those that intersect or terminate at State Circle. The main roads leading from the circle are Commonwealth Avenue, Kings Avenue, Adelaide Avenue, and Canberra Avenue.[3][4]

State Circle featured prominently on Walter Burley Griffin's plans for Canberra. It was originally envisaged there would be a number of circular concentric roads around Capital Hill. Only Capital Circle and State Circle were ever fully completed.[5] It is considered a main avenue, and a road of national significance, by the National Capital Authority.[6][7]

Intersections & Interchanges

As State Circle is a circular road, the table below lists all intersections and interchanges starting at Commonwealth Avenue interchange and proceeding clockwise.[2][8]

DistrictLocationkmmiDestinationsNotes
Canberra CentralCapital Hill, Yarralumla, Parkes0.000.00 Commonwealth Avenue  – City, ParkesPartial trumpet interchange, northbound anticlockwise exit, and southbound clockwise entry only.
Capital Hill, Parkes0.010.0062Capital Circle overpass (southbound)
0.190.12Federation Mall overpass (northbound)
0.280.17Federation Mall overpass (southbound)
Capital Hill, Parkes, Barton0.500.31Kings Avenue  – Parkes, Barton, Parliament HouseSignal-controlled crossroads
Capital Hill, Barton0.750.47Brisbane Avenue  – BartonSignal-controlled crossroads
Capital Hill, Barton, Forrest1.000.62Sydney Avenue  – Barton, ForrestSignal-controlled T-intersection
Capital Hill, Forrest1.250.78 Canberra Avenue  – Queanbeyan, Cooma, ForrestSignal-controlled crossroads
1.400.87Hobart Avenue  – ForrestSignal-controlled T-intersection
Capital Hill, Forrest, Deakin1.701.06Melbourne Avenue  – Forrest, Deakin, Red Hill Lookout, Federal Golf Course, Parliament HouseSignal-controlled T-intersection
Capital Hill, Deakin, Yarralumla2.001.24Adelaide Avenue - Woden, Tuggeranong, Deakin, YarralumlaModified trumpet interchange, exit and entry ramps in place for both clockwise and anticlockwise lanes, but only for traffic heading to/from the west.
Capital Hill, Yarralumla2.251.40Perth Avenue  – YarralumlaUncontrolled T-intersection
2.501.55Rhodes Place - (No through road)Uncontrolled T-intersection
2.751.71Flynn Drive  – City, Yarralumla, Parkes, Lennox GardensUncontrolled T-intersection
2.991.86Capital Circle overpass (northbound)
Capital Hill, Yarralumla, Parkes3.001.86Clockwise loop completed, refer back to top of table
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

icon Australian roads portal

References
  1. "Guide Signs MIS 12" (PDF). ACT Government. April 2019. p. 13. Retrieved 9 June 2020.
  2. Google Maps/Google Street View, Google, accessed 20 April 2013
  3. ACT Planning and Land Authority - Place name search, ACT Government
  4. OpenStreetMap, OpenStreetMap contributors
  5. Striking the Right Balance: Draft Amendment 39, National Capital Plan, Joint Standing Committee on the National Capital and External Territories, Chapter 3, Page 29, October 2002
    Referring to a submission to the committee by the Royal Australian Planning Institute – ACT Division.
  6. Main Avenues and Approach Routes, National Capital Authority, 5 January 2010
  7. Designated Area 'Main Avenues and Approach Routes', National Capital Authority, 25 January 2010
  8. ACTMAPi Archived 2 July 2013 at the Wayback Machine, ACT Government
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