Oklahoma State Highway 171

State Highway 171
SH-171 highlighted in red
Route information
Maintained by ODOT
Length21.47 mi (34.55 km)
Existedca. 1974–present
Major junctions
South end US 287 northeast of Kerrick, TX
Major intersections US 64 / US 412 / SH-3 near Keyes
North end US 56 in Keyes
Location
CountryUnited States
StateOklahoma
Highway system
  • Oklahoma State Highway System
US 169 US 177

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) 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.