the norwegian armed forces were sceptical, and wanted the route moved. instead a feeder bus was put into service by trondheim sporvei, but passengers had to pay for both the bus and the tram, so it only attracted 278 passengers. instead it was suggested that a walk way should be built along waldemar aunes vei to rognheim, shortening the walking distance from to , but this was never built. in 1969, trondheim sporvei applied for a bus concession on the route. graakalbanen had a concession from 1952 to operate from ugla to haukåsen and smistad, but had never started operation, and it was given to trondheim bilruter. due to disagreements regarding whose concessions were being tampered with given a new route to halset, trondheim bilruter received an extension of their concession from havstad. from 21 november 1971, the halset bus was in operation, served by two buses from trondheim bilruter, and one from trondheim trafikkselskap.