(15 Aug 2019, 2:40 pm)enviro7501 wrote Stagecoach Newcastle, South Shields and Sunderland vehicles now appear on the Bus Times map
https://bustimes.org/map

I'm unsure how reliable this website is, but below are the vehicles which haven't been sighted in over a week (as of 14th August):

BUSWAYS:

12062 – not seen since 7^th August

12068 – not seen since 7^th July

12082 – not seen since 4^th August

19204 – not seen since 8^th August

19386 – not seen since 22^nd July

19439 – not seen since 30^th July.

22065 – not seen since 7^th August

22069 – not seen since 30^th July

22341 – not seen since 29^th July

22346 – not seen since 4^th June

22347 – not seen since 23^rd May

22408 – not seen since 18^th July

22443 – not seen since 27^th July

22508 – BLANK

22513 – BLANK

27730 – not seen since 13^th June

28010 – not seen since 12^th July

28029 – not seen since 8^th June

28040 – not seen since 8^th July

36094 – not seen since 19^th July

36476 – not seen since 14^th July

36479 – BLANK

37318 – not seen since 27^th July

39705 – not seen since 28^th June.

39707 – not seen since 31^st July.

39711 – BLANK

39719 – not seen since 30^th July

TRANSIT:

24102 – not seen since 8^th July

24108 – not seen since 9^th July

27508 – BLANK

36087 – not seen since 29^th July