South_Dakota_Highway_391

South Dakota Highway 391

South Dakota Highway 391

State highway in South Dakota, United States

South Dakota Highway 391 (SD 391) is a 3.362-mile-long (5.411 km) state highway in the southwestern part of the U.S. state of South Dakota. It travels from Nebraska Highway 27 (N-27) at the Nebraska state line, southeast of Denby, to U.S. Route 18 (US 18) east-southeast of Denby. The highway is located entirely within Oglala Lakota County and in the Pine Ridge Indian Reservation. It is maintained by the South Dakota Department of Transportation (SDDOT), and is not part of the National Highway System.

Quick Facts Highway 391, Route information ...

Route description

SD 391 begins at the Nebraska state line as a continuation of N-27 and travels northeast through rolling plains on the Pine Ridge Indian Reservation in Oglala Lakota County. The highway curves to the northwest, then bends to the north near its northern terminus. Shortly after this, the route ends at an intersection with US 18.[2]

SD 391 is maintained by SDDOT. In 2012, the traffic on the highway was measured in average annual daily traffic, and SD 391 had an average of 920 vehicles.[1] The designation is not a part of the National Highway System,[3] a system of highways important to the nation's defense, economy, and mobility.[4]

Major intersections

The entire route is in Oglala Lakota County.

More information Location, mi ...

See also

References

  1. [1]
    South Dakota Department of Transportation (January 2012). State Highway Log (PDF). South Dakota Department of Transportation. Retrieved March 3, 2013.
  2. [2]
    Google (March 3, 2013). "South Dakota Highway 391" (Map). Google Maps. Google. Retrieved March 3, 2013.
  3. [3]
    Federal Highway Administration (October 1, 2012). National Highway System: South Dakota (PDF) (Map). Federal Highway Administration. Retrieved March 3, 2013.
  4. [4]
    Natzke, Stefan; Neathery, Mike & Adderly, Kevin (June 20, 2012). "What is the National Highway System?". National Highway System. Washington, DC: Federal Highway Administration. Retrieved March 3, 2013.
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