South Dakota Highway 71

Cascade Road
Route information
Defined by SDCL §31-4-175
Maintained by SDDOT
Length:	35.59 mi[1] (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
Location
Counties:	Fall River
Highway system
South Dakota Highways ← SD 65 SD 73 →

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.

Route description

SD 71's southern terminus is at the Nebraska border in Black Hills National Forest where it has the same number.^[2]

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.^[3]

History

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.

Junction list

The entire route is in Fall River County.

Location	mi[1]	km	Destinations	Notes
Nebraska state line	0.00	0.00	N-71 south / N-2 south – Crawford	Southern terminus
	28.53	45.91	SD 471 north – Edgemont	SD 471 splits from SD 71
Hot Springs	35.59	57.28	US 18 Byp.	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

Route map: Bing / Google

1. Staff. "State Highway Log: Rapid City Region" (PDF). South Dakota Department of Transportation. Retrieved February 4, 2014.
2. Google (February 5, 2014). "Hot Springs, South Dakota" (Map). Google Maps. Google. Retrieved February 5, 2014.
3. Google (February 5, 2014). "Nebraska–South Dakota State Line" (Map). Google Maps. Google. Retrieved February 5, 2014.