(19 Dec 2015, 5:49 pm)Greg in Weardale wrote Weardale's X21 started long before the GNE one, it was certainly introduced by 1977, and those of us who live in Weardale think the dale proper does not begin til Harperley Bank, just past the A68/A689 junction, where a sign says "Welcome to Weardale". Bishop Auckland would be in the Wear Valley, so you couldn't really call the GNE version of the X21 "Weardale Express".
Wear Valley Express would be a good name I think, ties in the the Wear Valley Saver offered on the 18/X21 between Durham/Bishop Auckland & West Auckland.
You also have the Pronto Saver which is valid across the entire route of the X21, and Angel Saver which is valid on the 21/X21 between Newcastle & Durham though makes the branding meaningless to me, Personally I would scrap the Pronto brand, and go with "WVX" or "Angel Express".