(12 Jan 2016, 12:21 pm)Dan wrote No, it's not a mistake.
I'd assume this is what ASDA wanted Go North East to show, as this is what the commercial department requested was shown on the display.
I'm not too sure where "Sed'field" is - could you advise?
Arriva North East 7539 (NK15 DZR) by Tony Kuy, on Flickr
Ask the guy from Commercial at Stockton, he's the one that does them.