An eastbound intermodal roars along toward Glade siding. Nowadays the code line is gone as is 4109, the extending siding switch is right about here and the woodchucks have a metropolis right about where I was standing.
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.