Inside behind its entrance is 'Bus Oriba' (getting-off zone), at which buses managed by Karasuma Office stop, buses are emptied, drivers are changed, buses kill time, and sometimes operations of some routes are canceled here for the day.
入ってすぐの「バスおりば」は烏丸営業所の系統が停車し、降車扱い、乗務員交代、時間調整、場合によっては運転打ち切りなどをする。