South Dakota Highway 407

Highway 407
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
Counties	Oglala Lakota
Highway system
	South Dakota State Trunk Highway System; Interstate; US; State;

South Dakota Highway 407 (SD 407) is a 1.786-mile (2.874 km) state highway on the southern edge of Oglala Lakota County,^{[Note 1]} 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.

Route description[]

Welcome to South Dakota and Oglala Lakota Nation signs along SD 407, August 2017

SD 407 begins at the northern terminus of N-87 (at 790 Road) on the Nebraska–South Dakota border, south of the community of Pine Ridge (a census-designated place [CDP]), and is entirely within the Pine Ridge Indian Reservation. (N-87 continues southerly in Nebraska, through the CDP of White Clay, and on toward its southern terminus at US 20 in Rushville.)

From its southern terminus SD 407 heads north along the eastern edge of, and then into, Pine Ridge. A few blocks after entering the main part of the community SD 407 reaches its northern terminus at an intersection with US 18 and BIA Route 32 (BIA Rd. 32). From the northern terminus of SD 407, US 18 heads easterly to Martin and Mission and northerly to Oglala and Hot Springs. BIA Rd. 32 heads westerly to terminate at BIA Route 41.^[3]^[4] On average, SD 407 is driven by over 4,200 vehicles per day.^[1]

Major intersections[]

The entire route is in Oglala Lakota County. ^[4]^{[Note 1]}

Location^[4]^{[Note 1]}	mi^[1]	km	Destinations	Notes
White Clay	0.000	0.000	N-87 south – Rushville, US 20	Continuation south into Nebraska from southern terminus
	0.000	0.000	N-87 / 790 Road at Nebraska state line	Southern terminus of SD 407
Pine Ridge	1.786	2.874	US 18 / BIA Rd. 32 (Main Street) – Martin, Mission	Northern terminus of SD 407; eastern terminus of BIA Rd. 32
Pine Ridge	1.786	2.874	US 18 north – Oglala, Hot Springs	Continuation north beyond northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Notes[]

^ ^a ^b ^c Prior to 2015, Oglala Lakota County was known as Shannon County.^[2]

References[]

^ ^a ^b ^c "Rapid City Region Highway Log" (PDF). dot.sd.gov. South Dakota Department of Transportation. 27 Feb 2019. p. 148. Retrieved 21 Oct 2019.
^ "Oglala Lakota County, South Dakota". oglalalakota.sdcounties.org. Oglala Lakota County. Retrieved 22 Oct 2019.
^ General Highway Map (PDF) (Map). South Half Shannon County. South Dakota Department of Transportation. 2010. Retrieved 20 Dec 2011.
^ ^a ^b Google (21 Oct 2019). "SD-407, West Oglala Lakota, SD 57770" (Map). Google Maps. Google. Retrieved 21 Oct 2019.

External links[]

Route map:

( • help)

The Unofficial South Dakota Highways Page

[Shannon-2] Prior to 2015, Oglala Lakota County was known as Shannon County.^[2]

[SH_log-1] "Rapid City Region Highway Log" (PDF). dot.sd.gov. South Dakota Department of Transportation. 27 Feb 2019. p. 148. Retrieved 21 Oct 2019.

[3] "Oglala Lakota County, South Dakota". oglalalakota.sdcounties.org. Oglala Lakota County. Retrieved 22 Oct 2019.

[4] General Highway Map (PDF) (Map). South Half Shannon County. South Dakota Department of Transportation. 2010. Retrieved 20 Dec 2011.

[gmaps-5] Google (21 Oct 2019). "SD-407, West Oglala Lakota, SD 57770" (Map). Google Maps. Google. Retrieved 21 Oct 2019.

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[Note 1]

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