GX03 SVC wrote And with GNE, would a quick call through to Control do much harm asking if it's valid or not? Instead, the driver threatened the passenger with refusal of boarding the vehicle the next time he sees them...
Timings probably have something to do with this. Calling control and depots to work out what to accept and not accept is a time consuming process - maybe providing drivers with a flyer of what to accept and not to accept depending on the route would be helpful.