Actually, the crux of whether the last few steps towards opening the line should be taken was on the one hand the question of DORTS 'and the public's confidence in the MRT, and on the other hand DORTS', TRTC's and the city government's ability to respond to and willingness to accept the risk.
說起來，通車與不通車的「臨門一腳」，一來在於捷運局對自己、以及民眾對捷運有沒有信心，二來則是捷運單位及市政府對風險的應變和承擔。