Coors Critter #998 (SW1001) runs back to the Coors Brewery after delivering some grain hoppers to the silo on the east end of the grounds.

UP 5339 (ES44AC) leads freight through Crescent, Colorado on a beautiful sunny day with snow on the Rocky Mountains.

A Union Pacific loaded coal train is running through Arena (also known as Little Ten Curve) at Rocky, Colorado and will arrive in Denver within the hour.

UP 8435 (SD70ACe) leads a loaded coal train through Plainview, Colorado as it heads towards Denver.

The BNSF Denver to Provo train can be seen running through tunnels, 2, 3 and 4 north of Plainview, Colorado as it heads towards the Moffat Tunnel.

Here we can see the entire Provo to Denver train led by BNSF 6339 (ES44AC) as it runs through Big Ten Curve at Rocky, Colorado.

BNSF 6339 (ES44AC) leads the Provo to Denver train with 5 other head end units, including two Kansas City Southern engines, down the hill from Tunnel #1 and into Coal Creek Canyon, Colorado.

The California Zephyr rounds the horseshoe curve in Coal Creek Canyon and will soon enter the first of 29 tunnels before it reaches the Moffat Tunnel at Tolland, Colorado.

The California Zephyr runs through the cut at Coal Creek Canyon as it heads towards Tunnel #1.

Amtrak's Winter Park Express runs through Coal Creek Canyon, which has been frosted with ice and snow from a storm the night before.

Light snow flurries catch Executive Grinstein BNSF 9709 (SD70MAC) waiting to leave the yard in Golden, Colorado.

BNSF 8945 (SD70ACe) leads a freight through a winter wonderland of heavy snow and thick flock in Golden, Colorado.

BNSF 4034 (Dash9) crosses the Cache La Poudre River in Fort Collins, Colorado.

The BNSF Denver to Provo train makes smoke as the lead ACe muscles the heavy train forward towards the Moffat Tunnel.

Two BNSF trains meet at Tolland, Colorado.