(14 Mar 2017, 12:09 am)Jimmi wrote From my observations over the years, I would say that the double deckers on the 15/15A are only really required on the peak time runs on a morning and afternoon (in term time at least) that carries the school and college students in and out of Durham, I think at any other time of the day, you could get away with single deckers.
I've never been on a full decker on the 15 or 15A and never seen one leave Durham with more than a handful of passengers - it departs from the stand next to ours, a few minutes before we do. most passengers probably get on at Lanchester.