Rocky Mountain Railtour's blue Smurf motor leads the passenger train east on the Moffat Tunnel Sub through Rollinsville, Colorado.

A Union Pacific officer's special runs through Rollinsville, Colorado as it heads towards the Moffat Tunnel.

A Union Pacific officer's special passenger train runs through Rollinsville, Colorado as it heads towards the Moffat Tunnel and the Continental Divide.

Amtrak engine #39 (P42DC) runs through Rollinsville, Colorado as it heads west on the Moffat Tunnel Sub.

The California Zephyr runs west through Rollinsville, Colorado as it the Moffat Tunnel Sub.

UP 7789 (C45ACCTE) passes Boulder Creek as heavy snow falls in the Tolland Valley on the Moffat Tunnel Sub.

UP 7789 (C45ACCTE) charges through heavy snow in Rollinsville, Colorado as it heads west and climbs towards the Moffat Tunnel.

Amtrak engine #187 (P42DC in Phase VII Paint) runs through a very snowy Rollinsville, Colorado as it heads towards the Moffat Tunnel.

Snow is falling on the Moffat Tunnel Sub as an eastbound freight led by UP 9088 (SD70ACe) meets a westbound BNSF freight at Rollinsville, Colorado.

BNSF ACe 9224 leads a freight through the signals at Rollinsville, Colorado as it heads west on the Moffat Tunnel Sub.

Single digit temperatures, blowing snow and sunshine at Rollinsville, Colorado catches BNSF 8556 (SD70ACe) leading a freight as it runs east on the Moffat Tunnel Sub.

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

BNSF 9039 (SD70ACe) has DPU duty for the Provo to Denver train which is on a siding at Rollinsville, Colorado.

BNSF 9224 (SD70ACe) leads a loaded coal train up the Moffat Tunnel Sub, passing a DPU of the Provo train which occupies the siding in Rollinsville, Colorado.

A power-heavy Provo-to-Denver train runs through Rollinsville, Colorado as it heads to Denver on the Moffat Tunnel Sub.