Sunlight and snow showers greet UP 7788 (C45ACCTE) as it leads the Grand Junction-to-Denver train down the grade from Tunnel #1 at Plainview, Colorado on the Moffat Tunnel Sub.

With the iconic Boulder Flatirons in the background, BNSF 5710 (AC4400CW) leads a freight through Plainview, Colorado as it heads to Denver on the Moffat Tunnel Sub.

In the late afternoon sunlight, BNSF 7491 leads a westbound Denver, CO to Provo, UT manifest out of Tunnel 1 and along the edge of the Rocky Mountains near Plainview, CO on July 12th, 2024.

On a hot summer day, the Rocky Mountaineer’s Rockies to the Red Rocks train descends through Plainview, CO on July 12th, 2024.

The evening's California Zephyr #6 drops down the grade into Coal Creek Canyon as it heads to Denver's downtown Union Station.

The evening's California Zephyr #6 train exits Tunnel #1 at Plainview, Colorado and will drop down the grade to Coal Creek Canyon on its way to Denver's Union Station.

A Union Pacific oil can train exits Tunnel #1 at Plainview, Colorado.

Under storm clouds with sun rays peeking through, UP 8668 (SD70ACe) leads the Grand Junction to Denver train through Plainview, Colorado on the Moffat Tunnel Sub.

The California Zephyr emerges from Tunnel #1 at Plainview, Colorado as it heads into the Colorado Rocky Mountains.

Amtrak engine #157 (P42DC) exits Tunnel #1 at Plainview, leading the California Zephyr into the Colorado Rocky Mountains.

BNSF's Denver, CO to Provo, UT manifest train (UP symbol QPSPVJ 12) slowly approaches the siding of Plainview as it prepares to meet an eastbound Union Pacific coal train.

UP 7606 (ES44AC) leads an oil can train through Plainview, Colorado as it heads to Denver on the Moffat Tunnel Sub.

The California Zephyr 5 train runs out of Tunnel #1 and towards Plainview, Colorado on the Moffat Tunnel Sub.

The California Zephyr exits Tunnel #1 at Plainview, Colorado.

Amtrak engine #72 (P42DC) exits Tunnel #1 at Plainview, Colorado as it leads the California Zephyr into the Colorado Rocky Mountains on the Moffat Tunnel Sub.