Route information | ||||
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Maintained by SDDOT | ||||
Length | 105.535 mi[1] (169.842 km) | |||
Existed | 1936–present | |||
Major junctions | ||||
West end | US 18 / US 281 in Pickstown | |||
East end | Iowa 10 at Iowa state line | |||
Location | ||||
Country | United States | |||
State | South Dakota | |||
Counties | ||||
Highway system | ||||
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South Dakota Highway 46 is a 105.535-mile (169.842 km) state highway in South Dakota, United States, that runs west to east across the southeastern part of the state. It begins at the junction of U.S. Highway 18 and U.S. Highway 281 in Pickstown, and runs due east to nearly the Iowa border, before curving south to cross the border and meeting Iowa Highway 10.