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

Strong winds and snow greet the California Zephyr as it runs through Tolland, Colorado on its way to the Moffat Tunnel.

Train Time at Winter Park Resort New snow overnight delights the ridership of the Winter Park Express.

Sportsman’s Paradise California Zephyr rolls over the fisherman on the Colorado River.

Snowy Morning at Coal Creek Typical snowy morning at Coal Creek, CO.

Amtrak engine #179 (P42DC) leads the California Zephyr through Byers Canyon, Colorado.

The California Zephyr runs through Tunnel 29 at Pinecliffe, Colorado as it heads into the Colorado Rocky Mountains on the Moffat Tunnel Sub.

Amtrak engine #188 (P42DC) leaves Fraser, Colorado as it heads towards the Moffat Tunnel.

The California Zephyr runs through heavy snow as it heads west through Pinecliffe, Colorado on the Moffat Tunnel Sub.

The morning Southwest Chief makes a run over Raton Pass as AMTK 194 pulls the train under another Santa Fe cantilever.

The westbound Southwest Chief is fighting over Raton Pass as AMTK 44 leads under the former Santa Fe searchlight cantilever.

The eastbound Southwest Chief is cruising for the last station stop in daylight for the day as AMTK 181 leads the train under the Santa Fe cantilever just outside of Trinidad.

The California Zephyr meets strong winds and blowing snow as it heads west through Rollinsville, Colorado on the Moffat Tunnel Sub.

The California Zephyr 5 train runs through Rollinsville, Colorado and will soon be inside the 6.2-mile-long Moffat Tunnel.

Blizzard conditions at Rollinsville, Colorado greet the crew and passengers of the California Zephyr 6 train as it heads to Denver on the Moffat Tunnel Sub.