South Dakota Highway 391 (SD 391) is a
state highway
A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...
in the southwestern part of the U.S. state of
South Dakota
South Dakota (; Sioux language, Sioux: , ) is a U.S. state in the West North Central states, North Central region of the United States. It is also part of the Great Plains. South Dakota is named after the Lakota people, Lakota and Dakota peo ...
. It travels from
Nebraska Highway 27
Nebraska Highway 27 is a highway in Nebraska. It is divided into three segments. The southernmost segment begins at the Kansas border and goes north to Haigler. The middle segment begins at Interstate 80 near Chappell and goes north to Oshko ...
(N-27) at the
Nebraska
Nebraska () is a state in the Midwestern region of the United States. It is bordered by South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Kansas to the south; Colorado to the southwe ...
state line, southeast of
Denby
Denby is a village in the England, English county of Derbyshire that is notable as the birthplace of John Flamsteed, England's first Astronomer Royal, and the location of the Denby Pottery Company. The population at the 2001 Census was 1,827, in ...
, to
U.S. Route 18 (US 18) east-southeast of Denby. The highway is located entirely within
Oglala Lakota County
Oglala Lakota County (known as Shannon County until May 2015) is a county in southwestern South Dakota, United States. The population was 13,672 at the 2020 census. Oglala Lakota County does not have a functioning county seat; Hot Springs in ne ...
and in the
Pine Ridge Indian Reservation
The Pine Ridge Indian Reservation ( lkt, Wazí Aháŋhaŋ Oyáŋke), also called Pine Ridge Agency, is an Oglala Lakota Indian reservation located entirely within the U.S. state of South Dakota. Originally included within the territory of the Gr ...
. It is maintained by the
South Dakota Department of Transportation
The South Dakota Department of Transportation (SDDOT) is a state government organization in charge of maintaining public roadways of the U.S. state of South Dakota. South Dakota has 82,447 miles of highways, roads and streets, as well as 5,905 br ...
(SDDOT), and is not part of the
National Highway System.
Route description
SD 391 begins at the
Nebraska
Nebraska () is a state in the Midwestern region of the United States. It is bordered by South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Kansas to the south; Colorado to the southwe ...
state line as a continuation of
N-27 N27 may refer to: Roads
* Route nationale 27, in France
* N27 road (Ireland)
* Nebraska Highway 27, in the United States
Other uses
* N27 (Long Island bus)
* Akhet (hieroglyph)
* Bradford County Airport, in Bradford County, Pennsylvania, United ...
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
U.S. Route 18 (US 18) is an east–west U.S. highway in the Midwestern United States. The western terminus is in Orin, Wyoming at an interchange with Interstate 25. Its eastern terminus is in downtown Milwaukee, Wisconsin. However, US 18 ru ...
.
SD 391 is maintained by
SDDOT. In 2012, the traffic on the highway was measured in
average annual daily traffic
Annual average daily traffic, abbreviated AADT, is a measure used primarily in transportation planning, transportation engineering and retail location selection. Traditionally, it is the total volume of vehicle traffic of a highway or road for a y ...
, and SD 391 had an average of 920 vehicles.
[ The designation is not a part of the National Highway System,]
Major intersections
See also
*
References
External links
{{Attached KML, display=title,inline
The Unofficial South Dakota Highways Page
391
__NOTOC__
Year 391 ( CCCXCI) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Tatianus and Symmachus (or, less frequently, year 114 ...
391
__NOTOC__
Year 391 ( CCCXCI) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Tatianus and Symmachus (or, less frequently, year 114 ...