171 U. of Chicago/Hyde Park (Bus Route Info) - CTA
London Bus Route 171 - Holborn to Bellingham, Catford Bus Garage - Subtitles - YouTube
Flickriver: Most interesting photos from London Bus Route: 171 pool
London Central PVL394 on route 171 Holborn 23/06/12. | Flickr
London Buses route 171 - Wikipedia
171 U. of Chicago/Hyde Park (Bus Route Info) - CTA
Bus Svc 171 and 972 will have its route amended on 16 August. Bus svc 700/A will be withdrawn on the same day as well. (Details in the comment) : r/singapore