(16 Jun 2022, 8:54 am)F114TML wrote When the Arriva strike was on a few years ago, the X6 and X7 were operated by L94s and the 55 (then X5) was B9s (what ran on the 56 then?)

56 used the Wear Xpress Citaros alongside what was left of the usual B9s during the Arriva strike.