In general, tickets for the tram, trolley and bus are interchangeable. A variety of tickets exist including a ticket for unlimited numbers of rides on one day, a three-day ticket, a weeklong ticket, and a block of ten tickets. There are also a variety of passes, although they are not interchangeable among the various modes of transportation. A monthly pass can be purchased at a reduced rate by a student or senior citizen. Passes of all types should be shown to the driver upon boarding.