The crew of BNSF 7828 stop to inspect the pilot and the front coupler before resuming their run south of Castle Rock, Colorado on the Joint Line.

BNSF 3664 and BNSF 3665 are making their first revenue trip over Colorado's Joint Line as they pull 17,700 tons of Engle Butte Mine coal. These new ET44ACH are BNSF's new six-axle Tier IV locomoti... (more)

Morning Snow Morning Slow climb at Castle Rock, CO

BNSF 8165 (ES44C4) leads an officer's special train through Castle Rock, Colorado on the Joint Line.

UP 4802 (SD70M) leads a military bare table train through Castle Rock, Colorado on the Joint Line.

A BNSF Officer's Special makes the corner in Castle Rock, Colorado with a stunning collection of stainless-steel passenger cars.

BNSF 8165 (ES44C4) leads an officer's special through Castle Rock, Colorado as it runs southbound on the Joint Line.

The dominant power for the coal trains running on the Joint Line is the ES44AC. Here we see BNSF 6080 muscle a loaded coal train on the Joint Line through Castle Rock, Colorado.

124 cars of coal are being pulled by a warn out CSX AC4400CW locomotive as it battles the grade between Castle Rock and Larkspur.

BNSF 5898 (ES44AC) leads a loaded coal train over a bridge in Castle Rock, Colorado on the Joint Line.

BNSF 5898 (ES44AC) leads a loaded coal train through Castle Rock, Colorado on the Joint Line.

BNSF 6357 (ES44AC) struggles to pull a loaded coal train through the curve at Castle Rock, Colorado.

UP ACe 8802 leads a fast freight southbound on the Joint Line through Castle Rock, Colorado.

BNSF 6357 (ES44AC) leads a coal on the southbound track of the Joint Line through Castle Rock, Colorado.

BNSF 6357 (ES44AC) runs through the S curve at Castle Rock, Colorado as it heads south with a loaded coal on the Joint Line.