City Ring Route, Adelaide

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City Ring Route

General information
Type Road
Length 15.6 km (9.7 mi)
Route number(s) R1
route number
  • National Highway A1
    • (Fullarton Road-Robe Terrace)
  • A21 before 2016
Ring road around
Major junctions
From Main North Road, Medindie, Adelaide
To Main North Road, Medindie, Adelaide
Major suburbs

Adelaide has two city ring routes, that loop around the Adelaide city centre and North Adelaide, known as the Inner and Outer Ring Routes.[1]

Inner ring route

The Inner Ring Route is a collection of major roads signposted as state route R1[2] (was A21 before 2017). There are no grade-separated intersections on the ring. Listed clockwise from Main North Road, the inner route consists of:[3][4]

The Inner Ring Route is adjacent to the outer edge of the Adelaide Park Lands except on the western side between Anzac Highway and Port Road where railway lines occupy the space along the parklands, and the road ring route is further out. The earlier A21 route using West Terrace passed inside the ring of parklands instead.


Prior to the renumbering as route R1 in 2017, the western side of the previous route A21 was different to the current route. It followed moore of Port Road southeast, West Terrace and Goodwood Road. Route R1 uses James Congdon Drive, a short section of South Road and Richmond Road instead.

The Park Terrace section had a level crossing of the Outer Harbor railway line until 2017. The crossing was replaced by a bridge when the railway was lowered as part of a project to separate the Torrens Junction so that suburban trains to Outer Harbor did not conflict with interstate trains on the standard gauge line.

The Park Terrace bridge over the Gawler railway line and interstate freight line was constructed in 1990. When it was built, it replaced an awkward 30-degree level crossing. In 2017, it was named after the engineer who supervised its construction, David Fitzsimons.[5]

Route description

LGA[6] Location km[7] mi Destinations Notes
Adelaide, Prospect and Walkerville Medindie, North Adelaide, Thorngate 0.0 0.0 Main North Road
Adelaide and Walkerville Gilberton, North Adelaide, Medindie 1.2 0.75 A10 Northcote Terrace to A10 North East Road
Gilberton, North Adelaide, Medindie 1.7 1.1 O-Bahn Busway O-Bahn buses only, to and from south only
Norwood Payneham & St Peters, Adelaide and Walkerville Hackney, Adelaide, North Adelaide, Gilberton 2.2 1.4 Hackney Bridge over the River Torrens
Norwood Payneham & St Peters, Adelaide Hackney, Adelaide, Kent Town 3.3 2.1 A11 North Terrace / Botanic Road to A11 Payneham Road and Lower North East Road
Norwood Payneham & St Peters, Burnside, Adelaide Rose Park, Adelaide, Kent Town 4.6 2.9 Kensington Road / Wakefield Road / Fullarton Road Britannia Roundabout
Burnside, Adelaide Dulwich, Glenside, Eastwood, Adelaide 5.9 3.7 Greenhill Road / Adelaide Ring route follows Fullarton Road north and Greenhill Road west
Burnside, Unley, Adelaide Parkside, Adelaide, Eastwood 6.7 4.2 A1 Glen Osmond Road
Unley, Adelaide Unley, Parkside, Adelaide 6.7 4.2 Unley Road
Unley, Wayville, Adelaide 8.1 5.0 King William Road / Peacock Road Glenelg Tram
Wayville, Adelaide 9.2 5.7 Goodwood Road
Unley, West Torrens, Adelaide Keswick, Keswick Terminal, Adelaide, Wayville 9.7 6.0 Belair, Seaford and Adelaide–Melbourne railway lines
A5 Anzac Highway
West Torrens Marleston, Richmond, Mile End South, Keswick 10.8 6.7 A2 South Road Concurrent with A2 South Road for 500m
Richmond, Mile End South 11.3 7.0 A2 South Road
Mile End, Keswick Terminal, Mile End South 12.1 7.5 A6 Sir Donald Bradman Drive
West Torrens, Adelaide Mile End, Adelaide 13.1 8.1 Henley Beach Road / Glover Avenue
Thebarton, Adelaide 13.6 8.5 Port Road Tram in median from here
Charles Sturt, West Torrens, Adelaide Thebarton, Hindmarsh 14.7 9.1 River Torrens
Charles Sturt, Adelaide Hindmarsh, North Adelaide 14.8 9.2 A7 Port Road Tram continues along Port Road
Bowden, North Adelaide, Hindmarsh 14.9 9.3 Outer Harbor railway line (bridge replaced level crossing in 2017)
Ovingham, North Adelaide, Bowden 15.5 9.6 Gawler and Adelaide to Port Augusta railway lines
Charles Sturt, Prospect, Adelaide Fitzroy, North Adelaide, Ovingham 16.3 10.1 A22 Torrens Road to Churchill Road
Prospect, Adelaide Fitzroy, North Adelaide, Thorngate 16.8 10.4 Prospect Road
Adelaide, Prospect and Walkerville Medindie, North Adelaide, Thorngate 17.1 10.6 A20 Main North Road
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Outer ring route

The Outer Ring Route is not signposted. It also consists of major roads surrounding the city. They are:[1]

See also

Australia road sign W5-29.svg Australian Roads portal


  1. ^ a b Department of Planning, Transport, and Infrastructure (24 August 2004). "Adelaide's Inner and Outer Ring Routes". Government of South Australia. Archived from the original on 6 March 2014. Retrieved 22 December 2013.
  2. ^ "Road Route Numbers (Trail Blazer)". Data SA. Government of South Australia. 8 November 2016. Retrieved 16 October 2017.
  3. ^ Department of Planning, Transport, and Infrastructure (13 August 2004). "Adelaide's Inner & Outer Ring Routes Map". Government of South Australia. Retrieved 22 December 2013.
  4. ^ Google (11 December 2016). "Adelaide city and inner ring route" (Map). Google Maps. Google. Retrieved 11 December 2016.
  5. ^ Kemp, Miles (26 December 2017). "Olympic Hero's name to span across the ages". The Advertiser.
  6. ^ "Property Location Browser". Government of South Australia. Retrieved 19 October 2017.
  7. ^ Google (19 October 2017). "City Ring Route R1, Adelaide" (Map). Google Maps. Google. Retrieved 19 October 2017.
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