An empty UP oil train catches a quick sliver of sun as it navigates through Little Gore Canyon near Azure, CO.

A Union Pacific loaded Intermountain Power coal train tackles the 1.8% grade leading to Toponas, CO

UP 5707 (AC4400CW-CTE) leads a freight through Peckham, Colorado on the Greeley Sub.

A fresh C44ACM leads a westbound manifest down San Timoteo Canyon between El Casco and Ordway.

UP 9819 shoves on the rear of an eastbound manifest made up mostly of loaded lumber.

Union Pacific intermodal is southbound at Ceres Ca

Union Pacific Big Boy #4014 (4-8-8-4) heads back home to Cheyenne, Wyoming after a long trip out west. Congrats to Ed and the entire steam crew for a successful journey.

UP 4927 (SD70M) leads the Rocky Mountaineer through South Draw, Colorado as it heads west on the Moffat Tunnel Sub.

UP 5491, 5312, & 7038 eastbound with a Z train.

UP 9662 leads eastbound auto train AMLEG at the West Palm Springs crossovers.

Early morning shadows have just cleared as UP 6187 leads an eastbound manifest between Cabazon and W. Palm Springs.

UP 5800, 4964, & 5334 eastbound on UP's Marysville subdivision with mixed freight.

Led by a solo AC4400, a southbound Union Pacific autorack train pounds the diamond across the Iowa Interstate in Des Moines, Iowa while a pair of SD40N's working a yard job in the UP Shortline Yar... (more)

Union Pacific Railroad has been rebuilding their GE AC6000CW diesels (which the UP dubbed "AC6044AC"s, but this was not what GE put on their builder's plates) into AC4400CWM locomotives ... (more)

UP 5549 & 7729 eastbound with a unit grain train.