South Dakota Highway 37

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 in Running Water
	US 18 northwest of Tripp; I-90 in Mitchell; US 14 in Huron; US 212 in Doland; SD 20 in Conde; US 12 in Groton;
North end	ND 1 at the North Dakota border in Hecla
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;

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.