UP 7425 (ES44AC) runs a hopper train through the North Yard in Denver, Colorado.

UP 8834 (SD70AH) leads an oil can train towards Leyden, Colorado as it heads to Denver on the Moffat Tunnel Sub.

BNSF 1532 (GP28-2) repositions in a busy Denver Yard where it will work side by side other units sorting freight cars.

The California Zephyr through Tolland, Colorado as it heads to the Moffat Tunnel and the Rocky Mountains.

Amtrak engine #163 (P42DC) leads the California Zephyr through the corner at Tolland, Colorado.

Amtrak's Viewliner Inspection Car #10004 gives Amtrak CEO Stephen Gardner and team a great view of Plainview, Colorado and the Boulder Flatirons beyond as the "American View" car runs on... (more)

Slowest Permanent Speed Order California Zephyr is running a little late through Beyers Canyon into the 15 degree west of Sulphur the slowest permanent speed restriction between Denve... (more)

February Morning Light at Tunnel 1 An easy place to play the sun with a daily westbound.

Snow Covered Great Divide Heavy snow covers the eastern slope along the Indian Peaks and Rollins Pass. Daily oil sure helped make a pleasant shot in knee deep new snow.

Winter Wonderland 20” of new snow overnight bend the branches into submission for a frame up of the days westbound California Zephyr. Snow shoes would have helped.

Mile High City Winter Park Express plays nicely above its origins at Eislee, CO on its climb to Winter Park.

Golden Ski Train Sunrise plays a tapestry of light and shadow with the rolling fields of the high plains below the Front Range between Denver and Plainview with Winter Park Express hig... (more)

The last coal burner, #481, pushes north of Cascade Canyon across Tefft Bridge on a D&S winter photography excursion.

UP 8006 (ES44AC) leads a power-heavy freight south on the Greeley Sub through Brighton, Colorado. Warm weather has melted the recent snow, providing a reflecting mud puddle alongside the track.

BNSF 6014 (ES44AC) runs south on the Joint Line through Monument, Colorado and towards a patch of recently repaired rail.