Norfolk Southern 3641 (ET44AC) heads into Coal Creek Canyon after exiting Tunnel #1 at Plainview, Colorado.

Fog Inversion and Heavy Rain Between the deluge and fog in between 6500 and 7800 feet the trip downgrade into Denver was wet on this trip.

Amtrak engine #151 (P42DC) leads the California Zephyr #6 around the corner from Tunnel #1 as it drops down into Coal Creek Canyon, Colorado.

The California Zephyr with 3 engines, 9 passenger cars, and a baggage car exits the east portal of Tunnel #1 at Plainview, Colorado as it heads west on the Moffat Tunnel Sub.

With the Denver skyline in the upper right, Amtrak engine #146 (P42DC) leads the California Zephyr out of Tunnel #1 at Plainview, Colorado. The train will soon arrive in Denver and take on and di... (more)

Amtrak's Operation Lifesaver engine #203 (P42DC) leads the California Zephyr through Tunnel #1 at Plainview, Colorado as it heads to Coal Creek Canyon.

The Rocky Moutaineer climbs the 2% grade out of Coal Creek Canyon and approaches Tunnel #1 on the Moffat Tunnel Sub.

BNSF 6244 (ES44AC) muscles a freight into Coal Creek Canyon on the Moffat Tunnel Sub.

The California Zephyr climbs the 2% grade of the Moffat Tunnel Sub and will soon enter Tunnel #1 at Plainview, Colorado.

Amtrak engine #203 (P42DC) in the yellow Operation Lifesaver paint scheme emerges out of Tunnel #1 at Plainview, Colorado.

Evening storm light and thunderstorms in the distance frame the California Zephyr as it runs down the grade from Tunnel #1 at Plainview, Colorado.

BNSF 9210 (SD70ACe) exits Tunnel #1 at Plainview, Colorado and will drop down the 2% grade into Coal Creek Canyon on its way to Denver.

Operation Lifesaver Amtrak 6 with the Rio Grande looking paint, always a treat I like to get.

The California Zephyr runs through Plainview, Colorado as it heads into the Rocky Mountains on the Moffat Tunnel Sub.

The trees are flocked with snow as the California Zephyr emerges from Tunnel #1 at Plainview, Colorado.