South Dakota Highway 71
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|---|---|
| Cascade Road | |
| Route information | |
| Defined by SDCL §31-4-175 | |
| Maintained by SDDOT | |
| Length: | 35.59 mi (57.28 km) |
| Existed: | 1962 – present |
| Major junctions | |
| South end: |
  N-71 / N-2 northwest of Crawford, NE
|
| North end: |
  US 18 Byp. in Hot Springs
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| Location | |
| Counties: | Fall River |
| Highway system | |
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South Dakota Highway 71 (SD 71) is a 35.59-mile-long (57.28 km) state highway in the U.S. state of South Dakota. It runs from the Nebraska border, where it has the same number, through the Black Hills National Forest, to U.S. Highway 18 Bypass (US 18 Byp.) in Hot Springs. The road was originally a part of South Dakota Highway 87. It became SD 71 in 1962.
SD 71's southern terminus is at the Nebraska border in Black Hills National Forest where it has the same number.
In the forest, the route meets the terminus of South Dakota Highway 471. After that, it leaves the forest and ends at US 18 Byp. in Hot Springs.
The road was originally commissioned in 1936 as part of South Dakota Highway 87. Part of that highway was given the SD 71 designation in 1962.
The entire route is in Fall River County.
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Wikipedia