Ruter is responsible for the planning, marketing and operation of the public transport system in Oslo. Subway, trams, buses and ferries together comprise an integrated, finely-meshed transport network with an all-in-one fare and ticket system.
Ruter cooperates with NSB (Norwegian State Railways), ensuring that within the city limites, the local train network is included in the same fare system as the trams, buses, subways and ferries.