Also since Keihan Kyoto Kotsu doesn't own many private cars or specialized highway cars, the registered private car of Keihan Uji which relatively has many cars supports them when they need an extra (but, the One-roma car which runs on regular street and the car for a street and private use, doesn't manage the regular sightseeing tour bus).
また、京阪京都交通車の貸切・高速専用車は台数が少ないため、それでも捌き切れない場合は台数に比較的余裕のある京阪宇治バスの貸切登録車両も応援に入る（ただし一般路線でも使用するワンロマ車および路線・貸切兼用車は定期観光バスの運用には入らない）。