Edited sentence: During rush hour it can come as often as every 3 minutes and in non-peak times it can be as infrequent as every 18 minutes.It takes an equal amount of time in either direction to reach Sindaebang Station on Line 2 from Seongsu Station making it the mid-way point on the opposite side of the loop.Only exits 1, 3, and 4 are connected to the two bus routes which service the station.Passengers can transfer directly between a branch line and circle route train if they arrive on the same platform or they can take the stairs down and transfer to the other platform if required without leaving the ticket gates.Passengers can transfer to either the Green Line 2224, which services to Guui-dong or 2413 which runs service to Gaepo-dong.The Line 2 circle route and Seonsu Branch Line are both operated by Seoul Metro at this station.The local shuttle bus runs a small route around Seongsu to deliver passengers to various residential areas.The subway runs with varying headways depending on the time of day.They are serviced through the same pair of island platforms