Double-decker bus
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.
Leyland Atlantean
Singapore Bus Service received 520 Leyland Atlantean AN68/2Rs between 1977 and 1986 in three batches with the bodywork provided by Metal Sections/Duple Metsec, British Aluminium Company and Walter Alexander. The first bus route to have double decker bus is route 86 from Hougang South to Shenton Way. By 1986, some of the bus routes in Singapore are using Leyland Atlanteans, with the exception of Jurong Bus Depot.