Slow moving cars whose drivers are searching for parking places is common feature in urban road networks. Increases in drivers’ stress, costs and energy consumption are frequent consequences. In order to avoid these adverse effects, drivers need to have computerized parking management system, which must consists of these parts: parking management information system, parking place reservation system and advanced payment system. Main parking management objectives are: To optimize parking facilities; To reduce searching time of parking places; To reduce vehicle costs; To reduce frustration; To control parking time; Such kind of systems belongs to ITS (Intelligent Transport Systems) and usability of these systems increased in last years. Modern solutions are the most effective way to solve parking problems in our growing world, where number of cars increase every day, despite parking facilities. Integration such systems with Parking Guidance and Information systems (PGI) are best choice.