South Dakota Highway 407
| Route information | ||||
|---|---|---|---|---|
| Maintained by SDDOT | ||||
| Length | 1.786 mi (2.874 km) | |||
| Existed | 1975–present | |||
| Major junctions | ||||
| South end | N-87 south of Pine Ridge | |||
| North end | US 18/BIA Rd. 32 in Pine Ridge | |||
| Location | ||||
| Country | United States | |||
| State | South Dakota | |||
| Counties | Oglala Lakota | |||
| Highway system | ||||
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South Dakota Highway 407 (SD 407) is a 1.786-mile (2.874 km) state highway on the southern edge of Oglala Lakota County, South Dakota, United States. Along with Nebraska Highway 87 (N-87), SD 407 serves as a connector route between U.S. Route 20 (US 20) in Rushville, Nebraska and U.S. Route 18 (US 18) in Pine Ridge.