(19 Jul 2021, 6:39 am)54APhotography wrote 17240/17643 are both out of service, 17645 is still being used as a route learner for Shields drivers for 10/11.
When the 22 starts next week the requirement is three, so the 19 will be hit and miss, remember these Tridents are very tired having all four working may be a task for the Wheatsheaf!
What 22? There's no registration in for a 22 service in Sunderland.