BNSF 8420 (SD70ACe) muscles a loaded coal train through the Keenesburg Cut as it heads west on the Brush Sub towards Denver, Colorado.

BNSF 4019 (Dash 9) leans into the elevated curve in Keenesburg, Colorado.

BNSF 8400 (SD70ACe) leads a coal train past the silo in Keenesburg, Colorado.

BNSF 9188 muscles an empty coal train towards a double rainbow at Keenesburg, Colorado.

BNSF 8400 (SD70ACe) leads a loaded coal train through the elevated corner at Keenesburg, Colorado.

BNSF 7678 (ES44DC) passes the chase vehicle known as 'The F Unit' as it runs west on the Brush Sub through Keenesburg, Colorado.

BNSF 4019 (Dash9) rousts a flock of birds as it runs through a curve in Keenesburg, Colorado.

BNSF 4019 (Dash9) passes a silo in Keenesburg, Colorado.

The engineer of BNSF 8400 (SD70ACe) walks the intersection due to a downed crossing gate at an elevated curve in Keenesburg, Colorado.

BNSF 4019 (Dash9) leads a warbonnet and a grain train through Keenesburg, Colorado.

BNSF 7678 (ES44DC) runs through the Keenesburg Cut and heads downhill as it runs towards Hudson, Colorado on the Brush Sub.

BNSF 9264 (SD70ACe) shoves a loaded coal train towards storm clouds as the train runs west on the Brush Sub through Keenesburg, Colorado.

Storm clouds to the east of Keenesburg, Colorado provide a dramatic background as BNSF 7678 (ES44AC) runs west on the Brush Sub.

BNSF 7678 (ES44AC) runs into sunlight as storm clouds develop east of Keenesburg, Colorado.

BNSF 1925 (SD40-2) leads a short train with a crane car as they try to outrun severe weather on the Brush Sub.