"South" . . . . . . . . . . "North" . . . "15" . . . "EX" . "Seohaean Expressway" . . . . . . . . . . . . "Seohaean Expressway" . . "Gochang IC" . . . . . "346100.0" . . . . . . . . . "West Coast expressways" . . . . . . . . . . . . . . . . . .