Augusta Highway

Augusta Highway South Australia
South end North end
Coordinates	34°11′02″S 138°09′11″E / 34.184°S 138.153°E / -34.184; 138.153 (South end) 32°29′S 137°45′E / 32.48°S 137.75°E / -32.48; 137.75 (North end)
Type	Highway
Length	211 km (131 mi)
Gazetted	2011
Route number(s)	National Highway A1
South end	Port Wakefield Road (National Highway A1), Port Wakefield
	Port Wakefield–Auburn Road (B84) Copper Coast Highway (B85) Goyder Highway (B64) Wilkins Highway (B79) Spencer Highway (B89) Main North Road (B56) Flinders Ranges Way (B83)
North end	Eyre Highway (National Highway A1) Stuart Highway (National Highway A87), Port Augusta
Major settlements	Snowtown, Crystal Brook, Port Pirie, Port Germein
Highways in Australia National Highway • Freeways in Australia Highways in South Australia

The Augusta Highway is the part of Australia's ring route (Highway 1) located in South Australia between Port Wakefield and Port Augusta. It was named Augusta Highway in 2011, and was formerly known simply as Highway One and also as the Princes Highway, despite not being continuous to the Princes Highway in the southeast of the state.

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