Route information | ||||
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Maintained by SDDOT | ||||
Length | 12.462 mi[1] (20.056 km) | |||
Existed | Circa 1950–present | |||
Major junctions | ||||
West end | I-29 east of Spink | |||
East end | Iowa state line west of Akron, Ia. | |||
Location | ||||
Country | United States | |||
State | South Dakota | |||
Highway system | ||||
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South Dakota Highway 48 (SD 48) is a 12.462-mile (20.056 km) state highway in Union County, South Dakota, United States, that begins at Interstate 29, about 2.5 miles (4.0 km) west of Spink, and becomes Big Sioux River Road,[2] formerly Iowa Highway 403, northwest of Akron, Iowa.