All services (metro, tramways, city buses, funiculars and ferries) have a common ticketing system that operates on a proof-of-payment system. Basic transfer ticket can be bought for a 30/90-minute ride, short-term tourist passes are available for periods of 24 hours or 3 days, longer-term tickets can be bought on the smart ticketing system Lítačka card, for periods of one month, three months or one year.