• goes south of the river: 1 (Tottenham Court Road → Canada Water) • operates with a Boris Bus: 3 (Trafalgar Square → Crystal Palace) • doesn't run overnight: 4 (Waterloo → Archway) • crosses central London: 4 (Waterloo → Archway) • doesn't enter central London: 5 (Canning Town → Romford) • doesn't go south of the river: 5 (Canning Town → Romford) • leaves London: 20 (Walthamstow → Debden) • runs every 15 minutes: 20 (Walthamstow → Debden) • spends most of its time outside London: 20 (Walthamstow → Debden) • runs on diesel: 20 (Walthamstow → Debden) • runs more than 10 miles: 25 (Oxford Circus → Ilford) • is a single decker: 33 (Hammersmith → Fulwell) • crosses the Thames twice: 33 (Hammersmith → Fulwell) • doesn't go north of the river: 37 (Putney Heath → Peckham) • doesn't serve a tube station: 51 (Woolwich → Orpington) • serves only one borough 61 (Chislehurst → Bromley) • goes to Surrey: 80 (Hackbridge → Belmont) • crosses the M25: 81 (Hounslow → Slough) • doesn't exist: 82 (recently renumbered 13) • goes to Kent: 96 (Woolwich → Bluewater) • runs less than 5 miles: 100 (Shadwell → London Wall) • goes to Herts: 107 (Edgware → New Barnet) • leaves London twice: 107 (Edgware → New Barnet) • runs every 20 minutes: 110 (West Middlesex Hospital → Hounslow) • only has one set of doors: 124 (Catford → Eltham) • runs less than 3 miles: 129 (Greenwich → North Greenwich) • has a Hail and Ride section: 138 (Bromley → Coney Hall) • is operated by only one vehicle: 146 (Bromley → Downe) • runs every hour: 146 (Bromley → Downe) • is electric: 153 (Moorgate → Finsbury Park) • runs every 30 minutes: 246 (Bromley → Westerham) • runs a Summer service: 246 (Bromley → Westerham/Chartwell) • operates as a school bus: 313 (Chingford → Potters Bar) • is a circular: 327 (Waltham Cross → Waltham Cross) • doesn't run on Sundays: 327 (Waltham Cross → Waltham Cross) • runs every 2 hours: 347 (Romford → Ockendon) • was most recently introduced: 483 (Harrow → Ealing Hospital) • doesn't run on Saturdays: 521 (Waterloo → London Bridge) • is an express: 607 (White City → Uxbridge)
n.b. Numbered TfL routes only - no lettered routes.
I've probably got some of these wrong, but I'm sure you'll let me know.
