Willa Sibert Cather,
The Song of the Lark
(1915)
“ The only men who are incurably nervous about railway travel are the railroad operatives. A railroad man never forgets that the next run may be his turn. On a single-track road, like that upon which Ray Kennedy worked, the freight trains make their way as best they can between passenger trains. Even when there is such a thing as a freight time-schedule, it is merely a form. Along the one track dozens of fast and slow trains dash in both directions, kept from collision only by the brains in the dispatcher's office. If one passenger train is late, the whole schedule must be revised in an instant ”
