BNSF 9090 (SD70ACe) leads the beer train from Denver to Golden, Colorado.
UP 8203 (AC45CCTE) greets the California Zephyr as it passes under the signal tower leading to the Union Pacific's North Yard.
UP 7694 (AC45CCTE) is lined to take the Moffat Tunnel Sub to the Colorado Rocky Mountains as soon as the signal tower shows green.
Union Pacific's City of Portland leaves Denver headed west, as it passes four CB&Q E's which have just delivered the California Zephyr from Chicago to Denver, heading to the 23rd Street engine te... (more)
BNSF 6017 (ES44AC) leads a BNSF officer's train to Denver, Colorado.
In the last minutes of evening light, UP 8853 (SD70AH) heads towards the Moffat Line with a long freight.
Rope clouds and a developing sunrise greets passengers on RTD commuter train 4035 as it passes over the Union Pacific's North Yard in Denver, Colorado.
RTD commuter rail train 4051 arrives from Commerce City and will soon exchange passengers at Denver's Union Station.
25th anniversary sticker unit BNSF 6017 (ES44AC) brings a BNSF officer's train into Denver, Colorado.
BNSF 3908 (ET44C4) runs over the South Platte River after leaving the Denver Yard.
RTD commuter rail train 4061 (Hyundai Eagle P3) arrives at Denver's Union Station located in the heart of downtown Denver, Colorado.
BNSF 7972 (ES44C4) meets a Denver Regional Transportation District commuter rail train in downtown Denver, Colorado.
Canadian Pacific Railway locomotive 8114 (AC4400CWM) passes through downtown Denver as it leads a heritage unit and a grain train towards Colorado Springs.
When leaving Denver's Union Station the California Zephyr runs underneath the Park Avenue Viaduct as it heads north and eventually west towards the Colorado Rocky Mountains.
Denver Rock Island Railroad's 1083 (SW1500) pulls a cut of cars across the street in the former Stockyards area of Denver, Colorado.