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.

UP 6168 leads an oil train past the Winter Park ski resort as storm clouds drop light snow

Light snow is falling as Amtrak engine 23 leads the Winter Park Expres Ski Train back to the platform after waiting at Fraser during the day.

Light snow is falling as Amtrak engine 174 in the new Phase VII paint scheme leads the Winter Park Expres Ski Trainl at the Winter Park Resort

Snow is falling as Amtrak engine 82 leads the California Zephyr 5 train out of the west portal of the Moffat Tunnel at the Winter Park Ski Resort

Amtrak heritage unit #161 leads the California Zephyr 6 train through Winter Park Ski Resort

The Winter Park Express Ski train heads towards Plainview, Colorado on its way into the Colorado Rocky Mountains.

The California Zephyr runs through the signals at Crescent, Colorado.

UP 8009 (ES44AC) is about to disappear into thick fog at Blue Mountain, Colorado.

UP 7104 (AC4400CW) leads an oil train down the hill from Tunnel #1 at Plainview, Colorado.

Storm clouds are dropping snow in the Rocky Mountains as UP 2698 (AC4400CW) runs through Leyden, Colorado on its way to Denver.

BNSF 6407 (ES44C4) muscles a loaded coal train through Monument, Colorado.