Railroads: Tracks Across America S01 E02 Episode 2

The steam locomotive ; Railroads and westward expansion: 1845-1865 ; The nickel plate story ; End of an era ; The California Zephyr ; Return of the General ; The freight train ; Railroad man ; The railroad story ; Son of the pioneer ; Rolling the freight ; Snow on the run ; The power behind the nation ; Clear track ahead! ; A railroad at work ; Last of the giants ; Progress on the rails ; Wheels of steel ; Opening a new frontier