This is a Master’s degree thesis from the Department of Informatics, University of Oslo, Norway. It is about the user’s experience of tickets in the transition from paper-based tickets to digital Radio Frequency Identification (RFID) based tickets. This thesis belongs in the mobile information system area of informatics with a particular focus on ticketing systems. The aim of this thesis is to explore the upcoming ticketing system for the public transport, AS Oslo Sporveier, by considering the transformation from paper to smartcard tickets. The technology emphasized is the wireless technology RFID. A case study is undertaken on the New Ticket and Payment System project (NBB) of AS Oslo Sporveier. A user survey is also conducted on the users of AS Oslo Sporveier. The attention is also paid on mobility-aspects, which this new system will create.