(1971, Albert Finney, Billie Whitelaw)

London scenes feature passing AEC Routemasters, at least one of which is a stretched RML-class:

Liverpool sequence features 1962 Liverpool Corporation Leyland Atlantean/Metro-Cammell L501 (501KD):

Finney's character travels on a Liverpool Corporation rear entrance 'decker, which will have to remain unidentified: