. . "1068000.0" . . . "National Route 1 (South Korea)" . . . . . . . . . "National Route 1(Tongilro)" . "National Route 1 (South Korea)#Gyeonggi Province (South of Seoul)" . . "National Route 1" . . . . . "National Route 1 (South Korea)" . . . . . . . . . . . "1" . . . "North" . . . "South" . "Route 1" . . . . . . . . . . "NR" . . . .