U.S. Route 12 in South Dakota

U.S. Highway 12
US 12 highlighted in red
Route information
Maintained by SDDOT
Length	319.24 mi[1] (513.77 km)
Existed	1926–present
Major junctions
West end	US 12 at the North Dakota state line
Major intersections	US 83 in Selby US 281 in Aberdeen I-29 / US 81 near Summit
East end	US 12 at the Minnesota state line
Location
Country	United States
State	South Dakota
Counties	Perkins, Corson, Walworth, Edmunds, Brown, Day, Roberts, Grant
Highway system
United States Numbered Highway System List Special Divided South Dakota State Trunk Highway System Interstate US State
← SD 11 → SD 12

U.S. Highway 12 (US 12) is a part of the United States Numbered Highway System that travels from Aberdeen, Washington, to Detroit, Michigan. In the state of South Dakota, US 12 extends from the North Dakota border east to the Minnesota border.