| 词条 | South Dakota Highway 391 |
| 释义 |
|state=SD |type=SD |route=391 |length_mi=3.362 |length_ref=[1] |section=236 |direction_a=South |terminus_a={{jct|state=NE|NE|27}} at the Nebraska state line southeast of Denby |direction_b=North |terminus_b={{jct|state=SD|US|18}} near Denby |counties=Oglala Lakota |previous_type=SD |previous_route=377 |next_type=SD |next_route=407 }} South Dakota Highway 391 (SD 391) is a {{convert|3.362|mi|km|adj=mid|-long}} 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. Route descriptionSD 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.[1] 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,[2] a system of highways important to the nation's defense, economy, and mobility.[3] Major intersections{{Jcttop|state=SD|county=Oglala Lakota|length_ref=[4]}}{{Jctint|location=none |mile=0.000 |road={{jct|state=NE|NE|27|dir1=south}} |notes=Continuation into Nebraska }}{{Jctint |location=none |mile=3.362 |road={{jct|state=SD|US|18|road=Gordon Junction Road north|city1=Pine Ridge|city2=Martin}} |notes=Northern terminus of SD 391; southern terminus of CR 11 }}{{jctbtm}} References1. ^{{google maps|url= https://maps.google.com/maps?saddr=S+Dakota+391&daddr=S+Dakota+391&hl=en&ll=43.01745,-102.206497&spn=0.169437,0.41851&sll=43.034894,-102.268124&sspn=0.084695,0.209255&geocode=FWIekAIdQlPo-Q%3BFZfWkAIdnkLo-Q&oq=Denb&mra=dme&mrsp=1&sz=13&t=m&z=12|accessdate= March 3, 2013}} 2. ^{{cite map|url= http://www.fhwa.dot.gov/planning/national_highway_system/nhs_maps/south_dakota/sd_southdakota.pdf|title= National Highway System: South Dakota|publisher= Federal Highway Administration|date= October 1, 2012|accessdate= March 3, 2013}} 3. ^{{cite web|first1= Stefan|last1= Natzke|first2= Mike|last2= Neathery|first3= Kevin|last3= Adderly|url= http://www.fhwa.dot.gov/planning/national_highway_system/|work= National Highway System|title= What is the National Highway System?|publisher= Federal Highway Administration|date= September 26, 2012 |accessdate= March 3, 2013}} 4. ^1 2 {{cite web|url= http://sddot.com/transportation/highways/planning/pavement/docs/Pierre_Region.pdf|title= State Highway Log|publisher= South Dakota Department of Transportation|date= January 2012|accessdate= March 3, 2013}} External links{{Attached KML|display=title,inline}}
2 : State highways in South Dakota|Transportation in Oglala Lakota County, South Dakota |
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