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.
Double-decker bus
In the Republic of Ireland, nearly all of buses operated in and around Greater Dublin by Dublin Bus are double-deckers. There are 936 double-decker buses (second after London) in the company's fleet of 942.