Geumjeong Station is a transfer station where Line 1 and Line 4 cross, located in Gunpo. The transfer section is short, so changing to the other line takes about 20 seconds. Between 6 a.m. and 6:50 a.m., three trains to Seodongtan arrive, and eomuk and sandwiches can be bought at the shop on the downbound platform. It is crowded during commuting hours.