Slick and sharp re-imagining of the Sherlock Holmes character has nighttime London traffic in its opening credits, including this Mercedes Citaro artic:
Episode 2.3: The Reichenbach Fall
A near miss with a London bus! Except it's not a London bus, it's a Volvo B7TL/East Lancs of Carousel Buses of High Wycombe. Confirmation would be welcomed, but I believe it's EVL5 (PX02XCA), new as London General EVL12: