Double-decker bus is a bus that has two storeys or decks. Double-decker buses are used for mass transport in the United Kingdom, Europe, Asia and many former European possessions, the most iconic example being the red London bus.

Early double-deckers put the driver in a separate cab. Passenger access was via an open platform at the rear, and a bus conductor would collect fares. Modern double-deckers have a main entrance door at the front, and the driver takes fares, ... Read more