The image files of Seoul Subway map updated version, that with Line 9.
The image files(JPEG) were zipped.
Seoul Subway English map Download
Seoul Subway Japanese map Download
Seoul Subway Traditional Chinese map Download
Seoul Subway Simplified Chinese map Download
Reference Site
Seoul Metro : http://www.seoulmetro.co.kr/eng
Seoul Metropolitan Rapid Transit Corporation : http://www.smrt.co.kr/Eng/index.jsp
Updated Map
English : https://lookatkorea.com/blog/korea/archives/seoul-subway-map-english-version/
Japanese : https://lookatkorea.com/blog/korea/archives/seoul-subway-map-japanese-version/
https://lookatkorea.com/blog/korea/archives/seoul-subway-map-chinese-version/