South Dakota Highway 21
State highway in South Dakota, United States / From Wikipedia, the free encyclopedia
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South Dakota Highway 21 (SD 21) is a 9.470-mile (15.240 km) state highway in south-central Hamlin Countym South Dakota, that connects Lake Norden and Hayti.
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Quick Facts Highway 21, Route information ...
Route information | ||||
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Maintained by SDDOT | ||||
Length | 9.470 mi[1] (15.240 km) | |||
Existed | 1926[citation needed]–present | |||
Major junctions | ||||
South end | SD 28 west of Lake Norden | |||
North end | US 81 east of Hayti | |||
Location | ||||
Country | United States | |||
State | South Dakota | |||
Counties | Hamlin | |||
Highway system | ||||
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SD 21 originally extended from the Nebraska state line to the North Dakota state line, completely concurrent with U.S. Route 81 (US 81). By the mid-1930s, only the current part of the highway remained.