At this time, the line operated by Keihan City Bus that overlapped with that of Keihan Uji Bus was changed to Line No. 21 (including Nos. 21A and 21B) to conform with the numbering system used by Keihan Uji Bus.
尚この時期に京阪シティバスの運行経路番号の内京阪宇治バスと重複する路線に関しては京阪宇治バスに合わせて21号経路（21A/21B号経路も含む）となった。