 By 1960 the plans for the T-bane were in the works, and the city council decided to terminate all tram and trolleybus lines—replacing them with rapid transit and diesel buses.The closure would not be immediate; not until the tram and trolleybus vehicles were to be retired would lines be closed.Within a year the tram lines the Kampen-, Rodeløkka- and Vestbanen Line were closed, as were the trolleybus lines 18 and 24.