High Quality Content by WIKIPEDIA articles! U.S. Route 93 is a major north–south United States highway in the western United States. The southern terminus is at U.S. Route 60 in Wickenburg, Arizona. The northern terminus is at the Canadian border north of Eureka in Lincoln County, Montana, where the roadway continues into Roosville, British Columbia, as Highway 93. Major cities that US 93 travels through include Las Vegas, Nevada, Twin Falls, Idaho, and Missoula, Montana.