On the day of Winterail, a Southbound San Joaquin from Sacramento rolls into the morning sunrise with one of the State of California's finest EMD F59PHI's doing the dirty work with a clear signal at EBCS Duffy.
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.