(22 Aug 2015, 6:41 pm)NK53 TKT wrote Why doesn't Arriva get the 7 and X12 to link up, if they did this they could advertise Darlington to Newcastle/Middlesbrough connections which could bring in a lot of cash
They already have the X66 between Darlington and Middlesbrough and probably don't see a lot of capital in promoting the 2 1/4 hour journey between Darlington and Newcastle. You can do it in half an hour on the train for as little as £11, with a bit of forward planning