Built in 1932, the first triple-decker bus was made in Italy. While not much is known about the manufacturer, it ran between Rome and Tivoli and carried 88 passengers. ... According to the Museum of Hoaxes, a second such bus was designed in the 1950s by the General American Aerocoach Corporation.

Are there any double-decker buses in the US?

With the exception of coaches, double-decker buses are uncommon in the United States. Many private operators, such as Megabus, run by Coach USA, employs double-decker buses on its busier intercity routes. For publicly run transport, articulated buses are generally preferred.

What is the biggest bus in the world?

The Neoplan Jumbocruiser was an articulated double-deck multi-axle city coach built by Neoplan Bus GmbH between 1975 and 1992. At 18 metres (59 ft) in length, 2.5 m (8 ft 2 in) wide and 4 m (13 ft) in height, it is in the Guinness World Records as the world's largest bus with a capacity for 170 passengers.