A spring snowstorm blankets the Denver, Colorado, area as Union Pacific locomotives rest into the night of April 15, 2013, at UP’s former Rio Grande North Yard locomotive facility.
Union Pacific’s Denver to Phippsburg freight rumbles through Rocky, Colorado, on the afternoon of October 23, 2011. Three levels of track can be seen here, and the freight will negotiate them al... (more)
Coal along the Colorado An eastbound Union Pacific coal train follows the Colorado River toward Red Gorge between Yarmony and Radium, Colorado, on November 1, 2012.