The California Zephyr backs into downtown Denver, Colorado as it runs between the catenary structures that support RTD Denver's commuter train system.

AMTK 59 (P42DC) leads the Winter Park Express Ski Train through a snowy Tolland Colorado as it heads towards the Moffat Tunnel.

A variety of Union Pacific power waits for servicing or orders in the North Yard in Denver, Colorado.

UP 9088 (SD70ACe) leads a coal train out of the east portal of the Moffat Tunnel while snow blankets the area.

AMTK 188 (P42DC) leads a California Zephyr through a snowy Pinecliffe, Colorado. Notice the conductor giving a tip of the cap.

BNSF 8423 (SD70ACe) struggles in the snow to get a freight moving at a crossing in Tolland, Colorado.

A BNSF freight runs past the historic schoolhouse in Tolland, Colorado. The building was constructed in 1902 and was one of the first schoolhouses built in the region. Efforts in recent years ha... (more)

BNSF 9151 (SD70ACe) peaks out of the east portal of the Moffat Tunnel as it shoves the Denver to Provo train west on the Moffat Tunnel Sub.

Snow is falling on the Moffat Tunnel Sub as Amtrak engine #59 (P42DC) leads the Winter Park Express Ski Train past a BNSF train waiting on the siding at Tolland, Colorado.

UP 5855 (AC4400CW-CTE) shoves a loaded coal train past a BNSF oil can train waiting on a siding at a snowy Rollinsville, Colorado.

UP 9088 (SD70ACe) leads a coal train through a snowy Tolland, Colorado as it heads east on the Moffat Tunnel Sub.

Snow is falling on the east portal of the Moffat Tunnel at Tolland, Colorado as a Union Pacific coal train light up the tunnel interior before exiting and heading down the mountain towards Denver.... (more)

Nearly A Century of Progress BNSF carries the flag on this moment some 98 years into the tenure of Moffat’s Dream.

Loaded Coal in the Snow UP 9088 handles a rare move over the hill these days, loaded coal pushes the fresh powder from the rail head near East Portal and the Great Divide.

BNSF 9224 (SD70ACe) runs a freight through Tolland, Colorado on the Moffat Tunnel Sub.