The Twentieth Century Limited route went between Chicago and NYC. I remember riding one like this when I was about three, but it was the Hudson River line.
He is known as 'Zorro'. This mustang was badly mangled in a fight with a rival stallion, and lost his mares. He disappeared, and we all thought he was buzzard-bait. But one day almost a year later he came smoking out of the Hills to steal a couple of his girls back. Zorro is one tough Hombre.