The origin of this bus route is the former Yakuno-cho Municipal Management Bus, which was handed over from the former Kyoto Transport Co., Ltd. to Yakuno-cho (this is the town that used to belong to the former Amata District of Kyoto Prefecture.)
旧京都交通の路線を旧天田郡夜久野町が継承した夜久野町営バスに由来。