South Dakota Highway 53

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Highway 53
Route of SD 53 (in red)
Route information
Maintained by SDDOT
Length	67.475 mi[1] (108.590 km)
Existed	1926–present
Southern segment
Length	34.372 mi (55.316 km)
South end	Nebraska state line
North end	US 18 west of Winner
Northern segment
Length	33.103 mi (53.274 km)
South end	SD 44 east of Wood
North end	I-90 / US 83 in Vivian
Location
Country	United States
State	South Dakota
Counties	Lyman, Mellette, Tripp
Highway system
South Dakota State Trunk Highway System Interstate US State
← SD 52 → SD 54

South Dakota Highway 53 (SD 53) is a state route that runs north to south across south central South Dakota. It consists of two separate segments:

• Junction with Interstate 90 and U.S. Highway 83 near Vivian to South Dakota Highway 44 east of Wood. This segment is 33 miles (53 km) in length.
• U.S. Highway 18 west of Winner to the Nebraska border southeast of Keyapaha. This segment is 34 miles (55 km) in length.