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
Kerala State Road Transport Corporation is operating double deckers in Thiruvananthapuram and Kochi cities. Kolkata and also has double-decker buses. They are modelled on the London buses. Ashok Leyland Titan double decker buses are used in all cities. Articulated double-decker buses from Ashok Leyland were used till they were phased out in the early 1990s as they were thought to be unsuitable for city traffic. Recently in Kolkata, CSTC reintroduced double decker bus with music system on selected routes where wide road space was available, i.e. no over-head cables, low bridges or flyovers. CSTC has spent 1 million INR to renovate 1 bus. Today, double deckers exist only in Mumbai, Vadodara, Kolkata, Kochi and Thiruvananthapuram.