On the service tracks at Union Pacific’s Bailey Yard locomotive facility, an employee inspects UP GE AC4400CW No. 7129 as prior to being serviced on May 4, 2011.

Union Pacific EMD SD40-2 No. 3315 and EMD SD60M No. 2313 sit outside on the west side of UP’s large locomotive shop at Bailey Yard in North Platte, Nebraska, on the afternoon of May 4, 2011.

Following the Colorado River is Amtrak’s westbound California Zephyr in Byers Canyon west of Hot Sulphur Springs, Colorado, on September 18, 2023.

Montana Rail Link’s 844 local that works out of Logan, Montana, approaches milepost 0 of the Harrison branch at Sappington with seven cars from the Harrison grain elevator on October 8, 2023.

Two BNSF locomotives off a manifest freight parked just to the west, pass a westbound vehicle train at the west end of Montana Rail Link’s Laurel Yard on the afternoon of October 8, 2023. Looks ... (more)

In a view from our Airbnb vacation accommodations, a westbound BNSF unit oil train climbs Winston Hill between Townsend and Winston, Montana, on Montana Rail Link’s Second Subdivision main line ... (more)

A westbound Union Pacific unit oil train approaches Radium, Colorado, on September 19, 2023. In the background, the lone rear DPU unit can be seen, still rolling through Little Gore Canyon.

Two Montana Rail Link remote switchers work simultaneously at the east end of MRL’s large yard at Laurel, Montana, on the morning of October 8, 2023. For many years, former cabooses carried remo... (more)

It’s October 10, 2023, at 6:15 p.m. and the last rays of sun are shaped by a mountain ridge to the southwest as the lead locomotive of a BNSF coal train momentarily gets illuminated by golden li... (more)

Crawling through multiple curves, an eastbound BNSF stack train passes the west switch at Bealville while climbing California’s Tehachapi Pass on a warm March 2, 2016.

A Pend Oreille Valley Railroad freight heads west toward Sandpoint along a partially frozen Pend Oreille River between Laclede and Dover, Idaho, on February 5, 2021. POVA operates this portion of ... (more)

Union Pacific EMD SD70M No. 4879 leads a westbound freight as it heads into a setting sun exiting the cut leading to the Hermosa Tunnels at Hermosa, Wyoming, on March 25, 2008.

Amtrak’s California Zephyr threads 100-foot Tunnel 38 as it negotiates Gore Canyon approaching Azure, Colorado, on September 20, 2023. This scenic former Rio Grande main line is now Union Pacifi... (more)

Passing two horses and a resting longhorn on its way to switching customers on the Fifth Subdivision, Montana Rail Link’s 844 local clatters through Three Forks, Montana, on October 11, 2023. Lo... (more)

Led by Union Pacific GE ES44AC No. 7977, UP’s MRONY (Salt Lake City’s Roper Yard to Denver’s North Yard manifest) freight drops downgrade through Eisele (formerly Clay), Colorado, on June 9,... (more)