Oklahoma State Highway 171

State Highway 171
State Highway 171
	SH-171 highlighted in red
Route information
	Maintained by ODOT
Length	21.47 mi (34.55 km)
Existed	ca. 1974–present
Major junctions
South end	US 287 northeast of Kerrick, TX
	US 64 / US 412 / SH-3 near Keyes
North end	US 56 in Keyes
Location
Country	United States
State	Oklahoma
Highway system
	Oklahoma State Highway System; Interstate; US; State; Turnpikes;

State Highway 171, abbreviated as SH-171, is a state highway in Cimarron County, Oklahoma, in the Oklahoma Panhandle. It runs for 21.47 miles (34.55 km)^[1] north and south through the eastern part of the county, connecting U.S. Highway 287 near the Oklahoma-Texas state line to US-56 in Keyes. The only other highway it intersects with is US-64/412/SH-3, three miles (5 km) south of Keyes. SH-171 has no lettered spur routes.

SH-171 was established circa 1974 with its present-day routing and termini, and may have initially been numbered SH-170. It had assumed its current number by 1976.

^ ^a ^b Oklahoma Department of Transportation (2010–2011). Control Section Maps: Cimarron County (PDF) (Map) (2010–2011 ed.). Scale not given. Oklahoma City: Oklahoma Department of Transportation. Retrieved October 27, 2012.{{cite map}}: CS1 maint: date format (link)

[odot-control-1] Oklahoma Department of Transportation (2010–2011). Control Section Maps: Cimarron County (PDF) (Map) (2010–2011 ed.). Scale not given. Oklahoma City: Oklahoma Department of Transportation. Retrieved October 27, 2012.{{cite map}}: CS1 maint: date format (link)

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