Location: US-64 and US-56, Cimarron Cty Reassurance shield after the 56 split. Location: US-64 and SH-171, Cimarron Cty A few miles later, we’ll approach SH-171. Location: US-64 and SH-171, Cimarron Cty Follow 171 north to Keyes, 171 south to Stratford, Texas, and 64/412/3 east to Guymon. E to OK-95, W to US-287 E to OK-95, … Continue reading Oklahoma State Highway 3, US-56 to OK-171