article: U.S. Route 91
links: Bannock County, Idaho Brigham City, Utah United States highway Sweetgrass, Montana Pocatello, Idaho Bonneville County, Idaho Cache County, Utah Wikimedia Commons Idaho United States Geological Survey Utah Interstate 84 (west) Idaho Falls, Idaho Interstate 15 Franklin County, Idaho McCammon, Idaho American Association of State Highway Officials San Diego, California Box Elder County, Utah Logan, Utah Canada–United States border Bingham County, Idaho Long Beach, California