Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Daechi Station is a station on the Seoul Subway Line 3. It is located in Daechi-dong, Gangnam-gu, Seoul. Seoul Subway Line 3 of the Seoul Metropolitan Subway is an operation system which connects Goyang, northwestern Seoul to the city center, Gangnam, and southeastern Seoul. Construction began in 1980, and most of the current line opened over two stages in 1985, along with Brother subway Line 4. In October 1993, a second extension to the south was opened, giving Seoul the current Line 3.