BNSF 9008 (SD70ACe) pulls a loaded coal train past the iconic rock outcrop in Castle Rock, Colorado.

A BNSF coal train passes a high tech cable TV satellite facility in Douglas County, Colorado.

BNSF 5735 (ES44AC) crests a hill with a loaded coal train in Castle Rock, Colorado.

BNSF 8782 (SD70ACe) snakes through the 'S' curve in Castle Rock, Colorado.

BNSF 8782 (SD70ACe) leads a loaded coal past a signal in Castle Rock, Colorado.

SP 373 leads a southbound coal train at Castle Rock, CO, on Colorado's Joint Line, Mar 6, 2004.

The BNSF orange really stands out in the snow. Here we see BNSF 5846 (ES44AC) crossing a culvert as it leads a coal train between Castle Rock and Larkspur, Colorado.

BNSF 9272 (SD70ACe) leads a loaded coal train past the iconic rock which give Castle Rock, Colorado its name.

BNSF 6091 (ES44AC) leads a long loaded coal train on the Joint Line between Castle Rock and Larkspur, Colorado.

KCS 5007, an ET44AC T4 built in Feb 2019, leads a southbound UP military at Castle Rock, CO, Dec 15, 2019.

BNSF 7920 (ES44DC) runs light as it passes a horse ranch near Castle Rock, Colorado.

BNSF 6211 (ES44AC) pulls a loaded coal train through Castle Rock, Colorado.

BNSF 4444 leads a northbound coal empty between Larkspur, CO and Castle Rock, CO, on Colorado;s Joint line. The temperature was hovering around 18 degrees during the late afternoon when the trai... (more)

BNSF 9899 leads a southbound coal load at Castle Rock, CO, on Jan 18, 2004.

BNSF 9733 leads a southbound coal load at Castle Rock, CO, on Oct 23, 2003.