350123 works the 14.13 Euston to Birmingham New Street Saturday afternoon service through Roade cutting. Not content with sixty-seven sets (divided into two subsets, 3501XX and 3502XX) London Midland are about to introduce a further ten of these highly successful units to be designated 3503XX. This is, of course, in addition to TransPennine Express currently introducing ten of their own designated 3504XX for use on their Anglo Scottish services, see.....
https://www.ontheupfast.com/p/21936chg/29872327204/x92044-350406-350407-04-20-dollands