BNSF 7105 (ES44C4) leads the priority Z Train into a cut just east of Akron, Colorado on the Brush Sub.
Amtrak engine #51 (P42DC) leads the California Zephyr #6 train past Barr Lake as sunset.
The California Zephyr runs through Akron, Colorado at sunrise as it heads towards Denver on the Brush Sub.
BNSF MAC 9716 gets ready to squeeze past a trailer as it runs towards the depot in Longmont, Colorado.
BNSF 7213 (ES44DC) leads a stack train into the Denver Yard and will run east on the Brush Sub.
BNSF 8593 (SD70ACe) leads a coal train north on the Joint Line through Bragdon, Colorado.
BNSF 5394 (Dash9) runs south on the Joint Line through the trees in Colorado Springs, Colorado.
BNSF 1984 (SD40-2) works a cut of card in the Denver Yard with a former Burlington Northern Cascade Green motor.
BNSF 3859 (ET44C4) leads a former AT&SF Bluebonnet and a manifest freight west on the Brush Sub through Keenesburg, Colorado.
Storm clouds move overhead as BNSF 8523 (SD70ACe) and other engines wait for servicing or assignments at the engine facility in downtown Denver, Colorado.
Amtrak engine #146 (P42DC) exits Tunnel #1 at Plainview, Colorado as it leads the California Zephyr #6 train towards Denver.
A golden sunrise at Wiggins, Colorado creates a sepia tone as the California Zephyr runs towards Denver on the Brush Sub.
A golden sunrise glints off the Amtrak Winter Park Express Ski Train as it leaves Denver for the ski slopes in the Rocky Mountains.
Storm clouds at sunset catch the California Zephyr #6 train passing by Barr Lake in Brighton, Colorado.
The Rocky Mountaineer passenger train has 4 engines running in a push me - pull you configuration as it takes a load of passengers on a short trip to Eisele, Colorado and then back to Denver.
