Location: US-491 and US-160, Montezuma Cty Reassurance shield after the 160 split as Shiprock comes into the view in the upper left of the photo. Location: US-491 and BIA 220, Montezuma Cty Reassurance shield after Indian 220 Location: US-491 at the New Mexico Line, Montezuma Cty Welcome to the Land of Enchantment! 491 continues to … Continue reading U.S. Route 491, US-160 to NM State Line