(15 Feb 2022, 10:26 pm)peter wrote 5210 is a training bus! If you're just using BusTimes for rare and odd workings, this is a good example of why it can't be relied upon.Aye, looking at the timings I think you're right.
Looking further, it seems likely Andreos' Solo is the vehicle in question tracking as 5210.
No idea which one it was though.