The line is also included as a part of the overall Seoul Metropolitan Subway network; Juan station has a free transfer with Seoul Subway Line 1, Geomam station connects with the AREX Line to Incheon International Airport and Seoul Station, and Seongnam also has a free transfer with Seoul Subway Line 7.

Line 2 has aboveground sections north of Asiad Stadium and east of Namdong-gu Office.

The ITC Line2 is a driverless, fully automatic subway system.

[4][5] They are similar to the Canada Line cars in Vancouver, Canada, albeit using the narrow light metro body (2.65 m (8 ft 8 in)) and external sliding doors as opposed to the heavy metro wide body 3 m (9 ft 10 in) and pocket doors, and using a bottom contact third rail instead of the North American top contact.

SelTrac CBTC is currently being implemented on the line by Thales, along with an urban rail traffic management system; these systems will allow the trains to be driverless.