(1967, Joachim Fuchsberger, Uschi Glas, Grit Boettcher)
Lurid tale based on an Edgar Wallace story and set in England, although all the vehicles are left hand drive, including this bus - sadly only the interior is seen. A woman boards by the centre door, pays the conductor, sits down and is poisoned by a mysterious stranger who then exits the bus:
Not much of a view of this small blue bus: