But once the MRT lines began to open, people could go straight from downtown Taipei to the suburbs without changing, and there was thus a sharp drop in the flow of people through Gongguan.
但民國 88 年捷運新店線開通後，卻只繁榮了起點（淡水）和終點（新店碧潭）兩個站；要往中永和的乘客則改由捷運古亭站換車，公館客源大量流失。