Is there actually any evidence buses are actually busier on Saturday or is it just another watching BusTimes thing excluding a few buses immediately after the match.
The fact there's numerous routes in North East are on a reduced timetable on a Saturday with no noticeable problems (306, 308, X21, X22 all Arriva), believe there's numerous Stagecoach routes aswell, would suggest the opposite
RE: Go North East : Upcoming Service Changes