Route information | ||||
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Maintained by SDDOT | ||||
Length | 12.723 mi[1] (20.476 km) | |||
Existed | 1975[2]–present | |||
Major junctions | ||||
South end | I-90 in Kennebec | |||
North end | SD 1806 in the Lower Brule Indian Reservation | |||
Location | ||||
Country | United States | |||
State | South Dakota | |||
Counties | Lyman | |||
Highway system | ||||
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South Dakota Highway 273 (SD 273) is a 12.7-mile-long (20.4 km) north-south state highway in Lyman County, South Dakota. It serves as a connection to SD 1806, linking it with the town of Kennebec and Interstate 90 (I-90).