Southern Ports Highway

Southern Ports Highway South Australia
North end South end
Coordinates	36°49′33″S 139°51′41″E / 36.825775°S 139.861427°E / -36.825775; 139.861427 (North end) 37°35′33″S 140°21′02″E / 37.592366°S 140.350487°E / -37.592366; 140.350487 (South end)
General information
Type	Highway
Length	118 km (73 mi)[1]
Route number(s)	B101 (1999–present)
Former route number	Alt National Route 1 (1978–1999)
Major junctions
North end	Princes Highway Kingston SE, South Australia
South end	Princes Highway Millicent, South Australia
Location(s)
Region	Limestone Coast[2]
Major settlements	Mount Benson, Robe, Beachport, Rendelsham
Highway system
Highways in Australia National Highway • Freeways in Australia Highways in South Australia
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Southern Ports Highway is a 119 kilometres (74 miles) rural highway in South Australia that connects Kingston SE with Millicent via Rendelsham, Southend, Beachport and Robe.^[3] It is a former alignment of Princes Highway, bypassed in 1933.