Chasing Union Pacific 4014 up track 3, roughly 15 miles west of Cheyenne for Positive Train Control (PTC) test run
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"Big Boy" 4014 Test Run for onboard PTC on Track 3 without a diesel assistant - 5/22/24
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Chasing Union Pacific 4014 up track 3, roughly 15 miles west of Cheyenne for Positive Train Control (PTC) test run
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