where does us highway 666 start and end
U.S. Route 491 The highway, now a spur route of US 91 via its connection to US 191, runs through Colorado, New Mexico, and Utah, as well as the tribal nations of the Navajo Nation and Ute Mountain Ute Tribe. The highway passes by two mountains considered sacred by Native Americans: Ute Mountain and an extinct volcanic core named Shiprock. Other features along the route include Mesa Verde National Park and Dove Creek, Colorado, the self-proclaimed pinto-bean capital of the world.