(03 Sep 2014, 1:10 pm)cbma06 wrote So if the X21 is hourly through the day coming off service 21, so where does Arriva get the extra bus to do the X21 every 30 minutes at peak times, will the extra X21 per hour come off the 21A?.
As I said earlier, the morning extra will be worked by Stockton, whereas the evening one will be worked by Durham.