City Ring Route, Adelaide

City Ring Route South Australia
Type	Road
Length	15.6 km (9.7 mi)
Route number(s)	A21
Former route number	National Highway A1 (Fullarton Road-Robe Terrace)
Ring road around	Adelaide city centre North Adelaide
From	Main North Road, Medindie, Adelaide
	North Terrace Fullarton Road Anzac Highway Sir Donald Bradman Drive Port Road Torrens Road
To	Main North Road, Medindie, Adelaide
Major suburbs	Gilberton, Kent Town, Wayville, Bowden, Adelaide, Thebarton

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

The Inner Ring Route is a collection of major roads signposted as state route A21. Listed clockwise from Main North Road, the inner route (and the major roads they intersect) consists of:

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

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