In the late afternoon sun, Union Pacific ES44AH No. 2591 races south with the Salt Lake City-Denver Z-Train while passing the big grain elevator in Platteville, Colorado, on October 3, 2018.
A brief dust storm moves through as a northbound loaded UP coal train from Energy Mine departs Platteville, Colorado, after meeting the ZLADV and ZSCDVX, on October 3, 2018.
After making its station stop in Granby, Amtrak's westbound "California Zephyr" snakes along the Colorado River in scenic Byers Canyon just west of Hot Sulphur Springs, Colorado, on Sept... (more)
Amtrak's eastbound "California Zephyr" pops out of Tunnel 1 in Coal Creek Canyon as it descends down the 2-percent grade towards Denver, on September 29, 2018.
At sunset, Union Pacific AC4400CW No. 6450 leads the Roper Yard-Denver manifest train east around the curve at Crescent, Colorado, on September 29, 2018.