(16 Oct 2015, 8:51 pm)DaveyBowyer wrote Yes, although not officially confirmed, excluding all Busways operations, the 21 is probably the most well used and profitable route in the North East closely followed by Arriva's 308 or the Fab 56 / Red Arrows.
That's a bit of a guesstimate though, isn't it? None of this information is in the public domain, and it won't ever be. Not as long as we have a commercial market up here.