Incheon International airport bus/taxi stop map.

※ you can get additional information about Incheon international airport in this websites.
(http://www.airport.or.kr/iiacms/pageWork.iia?_scode=C1204030201)

Seoul subway map

Seoul Nat'l Univ. Station is in line 2.

※ you can get additional information about Seoul subway in this websites.
(http://www.subwayworld.co.kr/eng/)