(22 Jun 2014, 9:05 pm)tyresmoke wrote Three boards as there's a morning X46 too... and as far as I can work out is on a different one to the two evening runs.
No, there's two.
The 0700am X46 operates the 1830pm X46 - passengers travelling onwards past Durham to Newcastle are transferred to an Angel on the 1745 X21 from Bishop Auckland.