Bundang Line is a commuter subway line of Korail, the national railway of South Korea. The name ‘Bundang Line’ refers to the fact that the line was constructed for the commuters of Bundang ward in Seongnam. The line starts in southeastern Seoul, travels through northern Seongnam, and finally reaches the northern end of Yongin. Originally opened in September 1994 between Suseo and Ori, it was extended from Suseo to Seolleung in September 2003, and from Ori to Bojeong in November 2004.
On November 26, 2004, a temporary terminal station called Bojeong was opened near the Bundang Line Train Depot. More recently, on December 24, 2007, Jukjeon Station was opened between Ori and Bojeong Stations. Services now terminate alternately at Bojeong and Jukjeon. the line color is Yellow, but when the line opened, the line color was Orange
A 6.6 km extension from Seolleung to Wangsimni, including three entirely new stations, is scheduled to open in 2010.