BNSF 5632 (AC4400CW) braves the first snowstorm of the year as it runs be tween Castle Rock and Larkspur, Colorado.

BNSF 9728 (SD70MACe) leads a loaded coal train southbound on the Joint Line after passing through Castle Rock, Colorado.

A BNSF GEO train led BNSF 8117 (ES44C4) inspects a siding between Sedalia and Castle Rock, Colorado.

A short BNSF GEO train runs between Castle Rock and Larkspur, Colorado, measuring the track conditions as it runs on the Joint Line.

Dense fog and freezing sleet is making travel tough for BNSF 5902 (ES44AC) which is leading an intermodal train in 'The Gap' between Castle Rock and Larkspur, Colorado.

For now at least coal is still king on the Joint Line between Denver and Colorado Springs. Here BNSF 5854 (ES44AC) leads a full load through the S curve at Castle Rock, Colorado.

BNSF 9272 (SD70ACe) pulls a freight between Castle Rock and Larkspur, Colorado on the Joint Line.

BNSF 6431 (ES44AC) leads a train through Castle Rock, Colorado.

BNSF 8273 (ES44C4) is transporting Caltrains new bi-level passenger cars and engines on flatcars to the testing facility in Pueblo, Colorado.

BNSF 8273 (ES44C4) is transporting Caltrains new bi-level passenger cars and engines to Pueblo, Colorado where they will be tested.

Four BNSF motors led by 4191 (Dash9) pull an autorack / mixed freight through the stretch between Castle Rock and Sedalia, Colorado.

BNSF 7137 (ES44DC) leads a freight through Castle Rock, Colorado on the Joint Line.

BNSF 6289 (ES44AC) leads a Ferromex and a loaded coal train through Castle Rock, Colorado.

BNSF 254 leads Trn H-CLODEN northbound at Castle Rock, CO, with Pikes Peak looming in the distance. Strong winds across the top of Pikes Peak is causing snow to blow off the mountain. Feb 19, 20... (more)

It is later afternoon and a BNSF loaded coal with 6170 on point (ES44AC) heads south on the Join Line between Castle Rock and Larkspur, Colorado