The UP Gila Sub is the ex-Southern Pacific Sunset Route that runs 255 miles from Yuma, AZ, to Tuscon, AZ. When I found out of a possible signal replacements coming this summer, I made plans to go ... (more)
The UP Gila Sub is the ex-Southern Pacific Sunset Route that runs 255 miles from Yuma, AZ, to Tuscon, AZ. UP is slowly getting ready thru PTC upgrades or double tracking projects to replace any re... (more)
14000 tons of Colorado coal rerouted off the Moffat conforms to the reverse curves between Rock Springs and Chevron on Union Pacific's Rawlins Sub. Bringing up the rear is UP 6367 (ex-SP 321), one... (more)