Ruter is the public transportation authority in Oslo and Viken, Norway. It manages buses, trams, metro, and ferries, providing an integrated transport system for residents and visitors. Ruter aims to make public transport efficient, accessible, and environmentally friendly. The organization operates under the principles of sustainability and user-friendliness. It offers various ticket options, including single tickets and travel passes, to accommodate different travel needs. Ruter also provides real-time information through its website and mobile app, helping passengers plan their journeys effectively.