(15 Jun 2014, 9:07 pm)tezthorn wrote Cant have an X4 or 5 due to arriva having it could be X6 perhaps
Different Company and a Different Operating Area so therefore you can have an X4/X5, I believe Arriva operate an X10 Service into Newcastle Haymarket while GNE operate an X10 into Eldon Square, but both go to entirely different Areas.