A three unit FT set leads a 52 car southbound freight near Littleton Colorado in 1951. Otto Perry photo, from my collection.

She'll be coming around the mountain. The California Zephyr rounds the corner leaving Coal Creek Canyon and heading to Tunnel #1 at Plainview, Colorado.

Snow is falling in Coal Creek Canyon as the California Zephyr runs towards the horseshoe curve over Highway 72.

It looks and feels more like winter on April 15, 2013, in front of North Yard tower at Union Pacific’s former Rio Grande facility in Denver, Colorado.

A Union Pacific fuel track employee trundles out into the heavily falling snow to his next assignment at UP’s North Yard locomotive facility on April 15, 2013.

Shortly after leaving the platform at Trinidad, Colorado, Amtrak special Operation Lifesaver #203 (P42DC) leads the Southwest Chief through the S curves between Trinidad and Raton, New Mexico

Amtrak special Operation Lifesaver #203 (P42DC) leads the Southwest Chief through Model, Colorado on its way to Trinidad.

Snow is whipped up by the California Zephyr as it runs through Arvada, Colorado after leaving Denver's Union Station.

Light snow is falling at Pinecliffe, Colorado as the California Zephyr rounds the corner and heads towards the Moffat Tunnel.

With the sun rising fast over the Sangre De Cristo Mountains in the distance, D&RGW #463 hustles west past Lava Tank towards Chama, NM on October 19, 2023.

Crossing Cascade Trestle outside of Osier, CO D&RGW #463 continues its journey west with a train of empty stock cars on October 19, 2023.

"End of Standard Gauge" - a phrase that marks this section of the former D&RGW narrow gauge mainline near Antonito, CO. From here towards Chama and beyond it is all 3 foot track as K-27 ... (more)

On April 15, 2013, the Denver, Colorado, area received anywhere from 8 inches to over a foot of wet spring snow, and it’s still coming down as dusk begins to settle in on the fuel track at Union... (more)

Too close for comfort. BNSF 9124 (SD70ACe) runs past a homeless person that was walking on the tracks in Denver, Colorado.

Denver Rock Island Railroad's SW1500 moves cars in the industrial area of the Stockyards in Denver, Colorado.