A pair of SD40-2's hold on the siding in Hudson, Colorado as a coal train runs past on the Brush Sub main line.

BNSF 1708 (SD40-2) leads an oil can train through Hudson, Colorado on the Brush Sub.

BNSF 8057 (ES44C4) leads a manifest through Greenland, Colorado as it heads south on the Joint Line.

A pair of Warbonnets geared for hump/yard service are actually heading out the yard with what appeared to be a transfer to St. Paul/CP.

BNSF 9196 (SD70ACe) leads the Coors Beer Train through Arvada, Colorado on its way to the brewery in Golden.

BNSF 9716 (SD70MAC) sits in a triple lash up in the yard in Longmont, Colorado, waiting for orders to take a train to Fort Collins.

Veteran Dash-9 BNSF #5489 sits in the yard in Longmont, Colorado.

BNSF 6297 (ES44AC) makes the 180-degree turn in Coal Creek Canyon as the rest of the train follows through Tunnel #1.

BNSF 5104 (Dash9) leads an oil can train through The Cut at Keenesburg, Colorado.

BNSF 1656 (SD40-2) runs light after dropping off a cut of oil cans at the terminal in Hudson, Colorado.

Storm clouds brew in the east as BNSF 5874 (ES44AC) leads a manifest west on the Brush Sub towards Denver, Colorado.

BNSF 5874 (ES44AC) passes under Highway E-470 and leaves the storms behind as it pulls a manifest towards Denver, Colorado.

A golden sunset reflects off of the BNS Z Train as it runs west on the Brush Sub through Roggen, Colorado. Included in the consist, aside from the stack cars, are 4 Metra F-40PH engines.

An orange sunset reflects off the windshield of BNSF 1658 (SD40-2) as it leaves Hudson, Colorado and heads to Denver.

BNSF 9327 leads a westbound mixed freight around the curve at Lavic as the sun paints the desert scene as it sinks closer to the horizon behind.