South Dakota Highway 28

Highway 28
Highway 28
	Map of South Dakota with SD 28 in red
Route information
	Maintained by SDDOT
Length	105.937 mi (170.489 km)
Existed	c. 1934–present
Major junctions
West end	US 281 west of Hitchcock
	SD 37 east of Hitchcock; SD 25 from east of Willow Lake to west of Bryant; US 81 near Lake Norden; I-29 west of Toronto; SD 15 west of Toronto;
East end	MN 271 at the Minnesota state line near Astoria
Location
Country	United States
State	South Dakota
Counties	Spink; Clark; Hamlin; Deuel;
Highway system
	South Dakota State Trunk Highway System; Interstate; US; State;

South Dakota Highway 28 (SD 28) is a 105.937-mile (170.489 km) state highway in the east-central South Dakota, United States, that connects Hitchcock, Estelline, and Toronto.

SD 28 was established between 1932 and 1935. It replaced SD 26. It was incrementally extended to its current path.