It is sunrise on the Moffat Tunnel Sub as Union Pacific 6360 (AC4400CW) leads an oil can train through Chemical, Colorado as it heads to Denver.

Snow is falling as the California Zephyr runs through Chemical, Colorado as it heads west on the Moffat Tunnel Sub.

UP 8668 (SD70ACe) runs past wild sunflowers as it leads the Grand Junction train to Denver, Colorado.

UP 7606 (ES44AC) runs towards Arvada, Colorado as it heads to Denver on the Moffat Tunnel Sub.

UP 4533 (SD70M) leads an officer train through Barbara's Gulch between Chemical and Rocky, Colorado.

UP 1943 (SD70ACe) leads an oil can train through Chemical, Colorado as it runs up the Moffat Tunnel Sub.

A long Union Pacific oil can train runs through Chemical, Colorado, which is between Layden and Rocky. The large rocket pad gantry looking thing is part of the infrastructure used by a company ca... (more)

Sub-Zero temperatures combined with freezing fog and snow created an amazing sight along the Colorado Front Range and the Moffat Tunnel line. Here UP 7045 (C44ACM) runs past a winter scene at Che... (more)

The Rocky Mountaineer is passing through Chemical, Colorado and will soon be pulling into the station in Denver's Rhino District.

BNSF 5043 (Dash9) leads an oil can train through Chemical, Colorado on the Moffat Tunnel Sub.

KCS 4765 (ES44AC) leads an oil train past Chemical as it heads towards Arvada, Colorado.

The westbound California Zephyr had the beautiful WEBX 800007 on the end. This Pullman observation car was built in 1949 is looks amazing as it travels on the Moffat Tunnel Sub.

After running down the east side of the Colorado Rocky Mountains on the Moffat Tunnel Sub, UP 7185 (AC4400CW) passes through Chemical, Colorado on its way to Denver.

UP 8435 (SD70ACe) leads a loaded coal train through a place known as Chemical on the Moffat Tunnel Sub.

BNSF 7953 (ES44AC) leads a freight that has just come down the Rocky Mountains via the Moffat Tunnel Sub.