BusLoverMum 22 Aug 2015, 2:48 pm #226 BusLoverMum BusLoverMum BusLoverMum Posts: 5368 Threads: 20 Joined: Jul 2015 Reputation: 2 RE: Arriva North East: Latest News & Discussion - August 2015 (22 Aug 2015, 1:09 pm)DaveyBowyer wrote Didn't mention Arriva. If the X12 was curtailed to just Durham and not go to Newcastle, the X21 would get a few extra passengers to handle. The x21 is often packed.