BNSF 5152 (Dash9) leads a freight through light snow and heavy fog at Plainview, Colorado as it heads towards Denver.

The early morning California Zephyr #5 runs through heavy fog and light snow at Plainview, Colorado.

The California Zephyr climbs the steep grade to Tunnel #1 at Plainview, Colorado. You can spot the two Patrick Henry private cars pulling up the rear of the train.

A LORAM rail grinding train waits on a Union Pacific siding at Plainview, Colorado.

West side of Tunnel 1

MGJNY is about to enter Tunnel 1 at Plain.

The Flatirons like great Sentinels from the Darkness

Towering out of the darkness of a winter storm raging at the Great Divide the sun momentarily blasts out in a sun po... (more)

A winter wonderland was on display as the California Zephyr ran through Plainview, Colorado on its way to the Moffat Tunnel.

A spring storm has coated the Colorado Front Range with a fresh layer of snow, no doubt delighting the passengers and crew on the California Zephyr that timed their trip just right for the winter ... (more)

After leaving Denver in the morning, the California Zephyr #5 runs along the foothills of the Colorado Rocky Mountains and will soon pass through 29 tunnels.

The California Zephyr #6 train exits Tunnel 1 as it gets ready to drop into Coal Creek Canyon, Colorado.

UP 8093 (AC45CCTE) leads a freight through Tunnel #2 and down the hill towards Plainview on the Moffat Tunnel Sub.

UP 5797 (AC4400CW-CTE) leads a freight down from Tunnel #1 just as dawn is breaking over the Colorado Front Range.

This shot shows the steep grade from Coal Creek Canyon up to Tunnel #1. BNSF 4228 (ES44C4) leads a four headed freight up the hill as llamas graze in the pasture below.

BNSF 7016 (ES44C4) exits Tunnel #1 and heads down grade towards Coal Creek Canyon.

The #5 California Zephyr out of Denver had extra cars today (total of 10) compared to the scaled back COVID consists, although it was still missing the baggage car. Here we see it exiting Tunnel ... (more)