Sunrise is breaking as UP 5561 (ES44AC) leads a freight out of the Cheyenne Yard and under the former Colorado and Southern Railroad bridge (now BNSF).

UP 8834 (SD70AH) rounds the corner at Crescent, Colorado as it leads a train down the Moffat Tunnel Sub.

UP 5593 (ES44AC) leads a freight towards the Hermosa Tunnels on the Transcon.

UP 7833 (ES44AC) runs a freight through the S curves at Archer Hill east of Cheyenne, Wyoming.

Dawns first light catches UP 7833 (ES44AC) leading a freight towards Cheyenne, Wyoming.

UP 7239 leads NS intermodal 276 eastbound on the NS Sandusky District through Marion, Ohio.

UP 8620 shoves on the rear of an eastbound mixed freight.

UP 8714 (SD70ACe) leads a short train with a heavy load of a transformer towards Laramie, Wyoming.

A Union Pacific Special exits the Hermosa Tunnels and will lead a short train with a heavy load of a transformer.

A Union Pacific Special enters the Hermosa Tunnels and will head north to Laramie, Wyoming.

UP 5593 (AC4400CW) exits the Hermosa Tunnel with a freight destined for Laramie, Wyoming.

UP 5593 (AC4400CW) runs past the rock formations at Tie Siding, Wyoming.

The fifteen-stall Lenzen Roundhouse was originally built in 1899 to serve the standard gauge San Jose-San Francisco rail commuter line and the narrow gauge South Pacific Coast Railroad, replacing ... (more)

A pair of C45ACCTE units push and intermodal train westbound at Modesto.

Tail end distributed power on CPKC train 112.