Transitioning
Now unused signal lines along the Union Pacific line at Green River as SP transitions from wired control to the new Positive Train Control (PTC) system.
Happy Telegraph Tuesday!
899
views
22
faves
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comments
Uploaded on May 4, 2021
Transitioning
Now unused signal lines along the Union Pacific line at Green River as SP transitions from wired control to the new Positive Train Control (PTC) system.
Happy Telegraph Tuesday!
899
views
22
faves
6
comments
Uploaded on May 4, 2021