 Bærumsbanen

A/S Bærumsbanen was a tram company that operated the Lillaker-, Kolsås and Østensjø Line of the Oslo Tramway, Norway, from 1924 to 1971 when the company became part of Oslo Sporveier.In 1924 the two street tram operators in Oslo, Kristiania Sporveisselskab and Kristiania Elektriske Sporvei, were taken over by the municipal owned Oslo Sporveier.