In 2016, The 55 double decker bus was headed to Clerkenwell Road, Hackney, Oxford Circus when it was stolen by Andrea Quill. (TV: Nightvisiting [+]Patrick Ness, Class television stories series 1 (BBC Three, 2016).)
Behind the scenes
London Bus route 55, the same number as the bus stolen by Andrea Quill in Nightvisiting, does indeed serve Oxford Circus in the real world.