"US 81 Business" . . "Byp. US 81" . "1963399.68" . "US Route 81" . "U.S. Route 81" . "U.S. Route 81#Kansas" . . "Meridian Highway" . . . . ":U.S. Route 81" . . "U.S. Highway 81" . "US-81" . "81" . "U.S. Route 81#Nebraska" . "US 81" . "US Highway 81" . . . . . "U.S. 77" . "81" . . . . . "U.S. 81" . "US 81" . . . . . . . . . . . . "South" . . "U.S._Route_81" . . "North" . . . . . . "U.S. Route 81#North Dakota" . . "U.S. Route 81#South Dakota" . . . "US" . . . . . "U.S. Route 81" .