(24 Nov 2015, 4:48 pm)Dan wrote Go North East have a number of service performance supervisors who board random services and undertake quality audits, making note of missing branding and other quality issues.
I believe these supervisors also make note of passenger numbers on-board and sometimes undertake revenue protection checks.
We've had a couple of ticket inspections by them, over the past couple of months. Once on the 20 and once on, I think, the X21.