PRLX 4101 (SD40-2) moves through the BNSF intermodal facility in Hudson, Colorado.

BNSF 7846 (ES44DC) leads a freight over the Santa Fe Bridge in Larkspur, Colorado.

BNSF 5799 (ES44AC) shoves an oil can train past the silos at Hudson, Colorado.

BNSF 5235 (Dash9) leads an intermodal train south on the Joint Line through Castle Rock, Colorado.

BNSF 7134 (ES44C4) leads an Executive MAC Greenstein through Hudson, Colorado.

It is a busy day at Denver International Airport as a RTD commuter train with four cars runs past the BNSF engine facility in downtown Denver, Colorado.

A new Tier 4 motor, BNSF 3648 (ET44ACH), leads a loaded coal train through Keenesburg, Colorado on the Brush Sub as it heads to Denver.

BNSF 5636 (AC4400CW) runs solo on lead with a loaded coal train heading towards Hudson, Colorado on the Brush Sub.

BNSF 2692 (GP39-3) and a variety of other light power receive servicing at the engine facility in downtown Denver, Colorado.

BNSD 7134 (ES44C4) destined for Denver, Colorado meets an eastbound freight on the Brush Sub at Hudson, Colorado.

BNSF 9161 (SD70ACe) leads a freight past a grain train sitting on the siding at Tonville, Colorado.

BNSF 1660 (SD40-2) leads a string of freight cars out of the yard in downtown Denver, Colorado.

Sunrise catches the gloss black PRLX 4102 (SD40-2) moving through the yard in Hudson, Colorado.

Heavy snow falls as BNSF 8549 (SD70ACe) takes the Coors Beer Train out of Golden, Colorado.

Amtrak engine #5 (P42DC) leads the California Zephyr through Keenesburg, Colorado at sunrise.