(30 Mar 2017, 3:02 pm)Michael wrote Oh right, i did check the current timetable and there isn't a 6A on it, my bad.
It's like the 45N/46A/97B etc. They are journeys which only alter slightly for maybe a trip and putting up a display for a journey that's 95% similar is confusing. The displays scroll the altered destination, but I guess it's too minor to actually warrant a route number variation.