Top Deck
(1962, dir David Andrews)
A bus conductress has an affair with a black American army officer. Her bus is Banfields Coaches KHW241, a 1947 Leyland Titan PD1 with BBW body, acquired from Bristol Omnibus in 1961:
There is some footage of the bus's home yard, although the coaches, which include two Bedford OBs, are not clearly seen. One of them has the Stephens fleetname: