Bus services in Prague are provided by several transport operators, chiefly by Dopravní podnik Hlavního města Prahy, a.s. (Prague Transport Company, plc.) followed by Student Agency a.s. Buses in Prague mostly serve as connections between the metro and large housing estates, and tourists visiting Prague readily use them.
International destinations are served by Student Agency, Bohemia Euroexpress International, Eurolines, Capital Express buses and GTS International.
Tickets: Buy a ticket before boarding, and then validate it on entering. Doors open and close automatically; a high-pitched sound signals the end of the boarding period.