(20 Mar 2018, 12:14 pm)Northern4555 wrote X11 Newcastle Durham hourly,then ontodarlington to reinstate a direct bus between Newcastle Darlington lost years ago by GNE. —x12 Newcastle to middlesbourgh ,hourly between Newcastle and Durham. every 30 mins or less, Durham - middleborough. X11/12 will give Newcastle/Durham a 30min service between both services.
You would have to re-number the current X11