(22 May 2015, 8:21 pm)Davie wrote I think 6001-6007 would go to Crook for service X21, 6049 - 6055 to Riverside, with 6049 going onto Tyne Tees Express and 6050-6055 spares
But why would you put the Older Batch on the X21, But not the Newer Batch of B9TLs?