As said above, I can't really understand the thinking behind this vacancy??? The only thing I can think of, is that they are looking to fill some high level positions further down the line and want Graduate level applicants with Rail freight experience. Although, that is one hell of a long shot and a costly one at that.
Regarding the link not working, it is Freightliners site. It is notoriously bad. I wish anyone applying the best of luck just getting the application completed fully and to do so without blowing their brains out. The best advice I could give, would be to cut and paste everything you write onto notepad, and to save at every possible opportunity, as your 176th re-write will become a tad grating.