South Dakota Highway 101

South Dakota Highway 101 (SD 101) is a short highway linking the town of Gary to State Highway 22. It was commissioned in 1975, and had previously had been a spur of Highway 22.^[2]

Highway 101
Route of SD 101 (in red)
Route information
Maintained by SDDOT
Length	3.064 mi[1] (4.931 km)
Existed	1975[2]–present
Major junctions
South end	SD 22 in Herrick Township
North end	CR 310 in Gary
Location
Country	United States
State	South Dakota
Counties	Deuel
Highway system
South Dakota State Trunk Highway System Interstate US State
← SD 89 → SD 106

Route description

South Dakota Highway 101 begins at a junction with South Dakota Highway 22 in Herrick Township. The road travels north paralleling the Minnesota state line, entering the town of Gary, South Dakota as Herrick Street. Highway 101 has intersections with Washington Avenue and Prospect Avenue, and ends at CR 310/Main Avenue in Gary.^[3] The speed limit is 65 miles per hour (105 km/h) from Highway 22 to the Gary city limits, and 25 miles per hour (40 km/h) within the city of Gary.

Major intersections

The entire route is in Deuel County.

Location	mi[1]	km	Destinations	Notes
Herrick Township	0.000	0.000	SD 22 – Clear Lake, Canby	Southern terminus
	0.052	0.084	CR 14 east (182nd Street)
Gary	2.973	4.785	Washington Avenue
	3.048	4.905	Prospect Avenue
	3.064	4.931	CR 310 (Main Avenue)	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi