BNSF Warbonnet 766 (Dash9) passes two light power units in Longmont, Colorado
BNSF 4743 (Dash9) leads a freight through Wiggins, Colorado on the Brush Sub.
Canadian Pacific Railway's 9701 (AC4400CW) is teamed with a Warbonnet and an Executive MAC as it waits to take a train in the BNSF yard in Denver, Colorado.
BNSF 698 (Dash9) provides a splash of silver and faded red to the BNSF engine yard as it waits for a train assignment.
BNSF 600 is a recently rebuilt Dash-9 that was originally constructed in 1994 for the AT&SF. It now carries the designation AC44C4M.
KCS 4765 (ES44AC) runs through Leyden, Colorado and heads to Denver on the Moffat Tunnel Sub.
After holding for the California Zephyr, KCS 4765 (ES44AC) leaves the siding at Rocky, Colorado and will soon arrive in Denver.
KCS 4765 (ES44AC) holds on the siding at Rocky, Colorado to let the California Zephyr pass.
The California Zephyr runs through the trees east of Keenesburg, Colorado as a golden glow from a bright sunrise bathes the train.
The California Zephyr climbs Big Ten Curve as it heads up the 2% grade on the Moffat Tunnel Sub.
UP 6643 (AC4400CW) leads a coal train down the hill from Big Ten Curve as the single DPU at the rear of the train enters the curve from the top.
UP 618 (GP15N) moves into the Union Pacific's North Yard in Denver to sort freight cars.
The California Zephyr runs through 'The Cut' as it heads towards Rocky, Colorado on the Moffat Tunnel Sub.
The California Zephyr leaves Denver's Union Station and runs under the Park Avenue Viaduct which is adjacent to the BNSF engine servicing facility.
The California Zephyr runs towards Keenesburg, Colorado on the Brush Sub as a bright sunrise creates a golden glow.