South Dakota Highway 37

Highway 37
Route of SD 37 (in red)
Route information
Maintained by SDDOT
Length	242 mi (389 km)
Existed	1926–present
Major junctions
South end	N-14 at the Nebraska border
Major intersections	US 18 northwest of Tripp I-90 in Mitchell US 14 in Huron US 212 in Doland US 12 in Groton
North end	ND 1 at the North Dakota border
Location
Country	United States
State	South Dakota
Counties	Bon Homme Hutchinson Davison Sanborn Beadle Spink Brown
Highway system
South Dakota State Trunk Highway System Interstate US State
← SD 36 → SD 38

South Dakota Highway 37 (SD 37) is a state route that runs across eastern South Dakota. It begins at the Nebraska border northeast of Niobrara, Nebraska, as a continuation of Nebraska Highway 14. It runs to the North Dakota border north of Hecla, where it continues as North Dakota Highway 1. It is 242 miles (389 km) in length.