UP 5724 (AC4400CW-CTE) runs a freight past the old Colorado & Southern water tower at the North Yard in Denver, Colorado.

UP 5724 (AC4400CW-CTE) leads a freight through the North Yard in Denver, Colorado.

UP 5637 & 8040 power westbound stacks.

Union Pacific, UP 7476 & 6601 with a W/B Soda Ash train that has 4 mid train DPU's plus a single rear DPU between Mountain Home and Reverse, Idaho on October 1, 2017.

Union Pacific, UP 7929 S/B long intermodal waits for a BNSF N/B mixed freight to clear its train before proceeding south on the Seattle Sub at Kalama, WA on July 8, 2024 on a very hot morning. The... (more)

The closest thing to new power on the Union Pacific these days, are the rebuilds. C44ACM 5731 looks good with a newer coat of paint.

Union Pacific, UP 7476 & 6601 lead a W/B soda ash train near Reverse, ID on October 1, 2017 with 4 mid train DPU's as well as a rear DPU. The train is stretched out working upgrade headed towards ... (more)

UP 6045 (AC4400CW-CTE) leads an officer special passenger train towards the crossing at Blue Mountain as it heads west on the Moffat Tunnel Sub.

UP 6045 (AC4400CW-CTE) runs towards the crossing at Blue Mountain as it heads west on the Moffat Tunnel Sub.

Union Pacific 8143 E/B mixed freight leaving Soda Springs, ID on May 27, 2017 with UP 8796 and 6450. This freight is passing the Dry Valley Branch connection.

A Union Pacific's officer's train runs through the S curve leading to Rocky, Colorado as it heads west on the Moffat Tunnel Sub.

UP 6045 (AC4400CW-CTE) gets ready to lead the Officer's Train out of the North Yard in Denver, Colorado.

UP 6045 (AC4400CW-CTE) leads an officer's special up the 2% grade out of Coal Creek Canyon and towards Tunnel #1.

A Union Pacific officer's special runs through Rollinsville, Colorado as it heads towards the Moffat Tunnel.

A Union Pacific officer's special passenger train runs through Rollinsville, Colorado as it heads towards the Moffat Tunnel and the Continental Divide.