Kuyoyo 31 Mar 2016, 5:42 pm #540 Kuyoyo Kuyoyo Kuyoyo Posts: 6879 Threads: 43 Joined: Dec 2012 Reputation: 1 RE: Arriva North East: Rare & Odd Workings - March 2016 1521 is now on X12 - working back it appears to have replaced 7520