Hereford?? Why that far? They will only be going as far as Malvern Wells won't they.Speaking to a guards trainer tonight on the way home he told me 333 was at Worcester to do a special today to Hereford loaded with high ups and dignitaries from various rail groups and such like
EDIT: Would the 172s do what the 150s do now in that they run the BHM-HFD services at certain times. If so that would explain why they would need to go that far.