South Dakota Highway 75

Highway 75
Route of SD 75 (in red)
Route information
Defined by SDCL §31-4-177
Maintained by SDDOT
Length:	29.352 mi[1] (47.237 km)
Existed:	1976 – present
Major junctions
South end:	SD 20 west of Bison
North end:	ND 8 south of Hettinger, N.D.
Location
Counties:	Perkins
Highway system
South Dakota Highways ← SD 73 SD 79 →

South Dakota Highway 75 (SD 75) is a state route located in northwest South Dakota. The southern terminus is at South Dakota Highway 20 west of Bison, and the route runs northerly to the North Dakota border, becoming North Dakota Highway 8. It is 28 miles (45 kilometers) in length.

History

This is the third use of the South Dakota 75 designation.

The first South Dakota 75 was designated around 1934, in southeast Shannon County. It was originally 10 miles (16 km) long, with its northern terminus at U.S. Highway 18. When that route was realigned southward, SD 75 was shortened to 3 miles (4.8 km). This configuration remained in place until 1976, when it was redesignated as South Dakota Highway 391.

The second use of SD 75 was implemented around 1949, in northwest South Dakota. It was located in northeast Harding County, beginning at South Dakota Highway 8 (current SD 20) and extending northward to the North Dakota border. In 1976, the SD 75 designation was moved approximately 18 miles (29 km) east onto its current alignment, where it remains today; the old segment became part of South Dakota Highway 79.

Major intersections

The entire route is in Perkins County.

Location	mi[1]	km	Destinations	Notes
​	0.000	0.000	SD 20
North Dakota state line	29.352	47.237	ND 8 north	Continuation into North Dakota
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

External links

Route map: Bing / Google

• South Dakota Highways Page: Highways 61-100