Most of the services around Crook and Bishop are fab, with the exception of the 6, which is just average and the 5 which does a circuitous route around Newton Aycliffe! The X75/76 are lovely, especially with the omnicities.
Also enjoy the 57a and the 21 and 21a, even though they take an age to do their whole route.
RE: Arriva North East Most Boring/Interesting Routes