The Southwest Chief 3 runs through the S Curves in the canyons north of Trinidad, Colorado.

Pepsi at my Favorite Spot Good looking unit hustling the westbound 5 nearly on time near the Moffat Tunnel.

The California Zephyr runs along the base of Blue Mountain as it heads up the Moffat Tunnel Sub.

In a rare occurrence, the California Zephyr 5 train with Amtrak engine 78 on point, meets a very late California Zephyr 6 train at Irondale, Colorado.

Amtrak engine 180 (P42DC) leads the Southwest Chief through Earl, Colorado as it runs towards Trinidad.

The California Zephyr 6 train was 16 hours late getting to Colorado which meant the crews would have to be switched at Coal Creek Canyon. UP 5518 (C45ACCTE) was in the lead to help the train get ... (more)

The California Zepher 6 train exits Tunnel 1 and begins the drop into Coal Creek Canyon on its way to Denver, Colorado.

The California Zephyr 5 train runs through Crescent, Colorado after a fresh layer of snow hit the area the previous day.

Amtrak engine #170 (P42DC) kicks up the snow as it runs the California Zephyr through Rocky, Colorado.

Amtrak engine #78 (P42DC) leads the California Zephyr through Commerce City, Colorado.

The California Zephyr 5 train leaves Denver behind at dawn as it kicks up the snow and heads towards Leyden, Colorado on the Moffat Tunnel Sub.

The California Zephyr runs through Plainview, Colorado after freezing fog and falling snow creates a winter wonderland on the Moffat Tunnel Sub.

Amtrak engine #176 (P42DC) leads the California Zephyr through Tolland, Colorado on the Moffat Tunnel Sub.

Operation Lifesaver Pleasant winter light highlights the nose of a unit that reminds me of Rio Grande in yellow and black leading today’s westbound 5 the California Zephyr.

Amtrak engine #78 (P42DC) leading the California Zephyr 5 train notches up as it leaves the siding at Irondale, Colorado and heads to Denver. It took the siding so that the California Zephyr 6 tr... (more)