"U.S. Route 52 in Iowa" . "279578.458368" . "U.S. Route 52 in Iowa" . "Primary Road No. 20" . "U.S. Route 52" . . . "South" . . . . "52" . . . . "52" . . "U.S. Route 52 in Iowa#Related route" . . . "North" . "US 52" . . "US" . . . . "U.S. Highway 52" . . . . . . . "US 52" . . . . "IA" .