On the morning of the famed slideshow "Winterail", a hot Eastbound Z train screams through the flatlands of the San Joaquin Valley, while the tracks are still lined with old ATSF code line.
Photos showing the railroad pole lines. The pole line used four basic electrical circuits - telegraph, telephone, signaling, and power. Modern technologies of fiber optics, microwave, radio, satellite, and computers have been replacing the pole lines.
