Port Wakefield Highway

Port Wakefield Highway Port Wakefield Road South Australia
North end South end
Coordinates	34°09′46″S 138°09′24″E / 34.162656°S 138.156639°E / -34.162656; 138.156639 (North end) 34°50′53″S 138°36′01″E / 34.848097°S 138.600178°E / -34.848097; 138.600178 (South end)
General information
Type	Highway
Length	89.7 km (56 mi)[1]
Route number(s)	A1 (2017–present)
Former route number	National Highway A1 (1998–2017) National Highway 1 (1974–1998) National Route 1 (1955–1974)
Major junctions
North end	Augusta Highway Port Wakefield, South Australia
	Copper Coast Highway Balaklava Road Mallala Road North–South Motorway Northern Expressway Salisbury Highway Grand Junction Road
South end	Main North Road Gepps Cross, Adelaide
Location(s)
Region	Yorke and Mid North, Barossa Light and Lower North, Northern Adelaide[2]
Major settlements	Two Wells, Virginia, Cavan, Gepps Cross
Highway system
Highways in Australia National Highway • Freeways in Australia Highways in South Australia
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Port Wakefield Highway (and its southern section as Port Wakefield Road) is an important South Australian highway, connecting Adelaide to the Yorke Peninsula, Port Augusta, northern and western South Australia, the Northern Territory and Western Australia. It is designated National Highway A1 and a part of the National Highway. It is named after Port Wakefield, the first government town north of Adelaide.