Can confirm that:
OS: Windoof 7, all patches applied
HW: i7-2600k, 32GB RAM, Asus 660ti 2GB (also stutters like hell, not a VIDEOgame, but a DIASHOWgame)
Trainfever build 4414
Startyear: 1950
Size: medium
Flatness: flat (not that it has anything to do with the layout, only steepness of the slopes and the resulting height of the hills, btw)
Seed BBBBBBBB crashes back to menu after “initialization” and CCCCCCCC even crashes back to desktop.