A westbound local (based out of Roydale) rolls down the siding at Mesa, meeting with an eastbound coal load that is holding the main. With the local now in the clear of the east switch, DS-86 will throw the switch and get the coal train a light (and a track warrant) to head east. CTC was recently installed on the Limon Sub from Denver to East Mesa. At East Mesa, however, the track goes back to Track Warrant Control.
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