Chugoku JR Bus (Chugoku area)
Double-decker buses
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| The "Sanyo-do Noon Limited Express" and "Sanyo Dream Hiroshima" services between Hiroshima and Osaka, is operated by double-decker buses. |
Super High-decker buses
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| The Hiroshima ‹–› Tokyo "New Breeze" service operates twice a day. |