The Denver Metro area can be seen in the background as Union Pacific ES44AC no. 7463 leads this loaded crude oil train from Wash, Utah to Midwest City, Okla., down the grade from Big Ten Curve tow... (more)

Union Pacific ES44AC no. 7463 leads this loaded crude oil train from Wash, Utah to Midwest City, Okla., down the 2% grade in Coal Creek Canyon just west of Denver.