Tom's Bus Photos on Twitter: "Here is @AbellioLondon 8121 on route U7 back on the 12th of September, this bus, 8124 and 8162 worked the U7 that weekend as the deckers were
U7 (Berlin U-Bahn) - Wikiwand
London Bus Route U7
u7 Route: Schedules, Stops & Maps - Bognor Regis (Updated)
U7 map - Berlin S-Bahn U-Bahn
London buses one bus at a time: the return: The U7 Route