 From 11 June 1950, the latter became part of a new Line 18, from Bjølsen to Ekeberg Hageby.The final trolleybus route was Line 24, from Tåsen to Kirkegaten, which opened on 20 February 1955.In 1948, Oslo Sporveier took over the bus routes operated by Wicktor Ruud to Riskløkka and Økernbråten.