UP 1826 (SD40N) sorts a cut of oil cans in the 36th Street Yard in Denver.
Veteran BNSF 1652 (SD40-2) inspects the formation of trains ready to head out of the Denver Yard.
Large, wet snowflakes have covered the face of BNSF 8592 (SD70ACe) as it makes its way through Fort Collins, Colorado.
The snow is flying as BNSF 9177 (SD70ACe) runs past a signal on the Brush Sub.
A fuel bowser fills up BNSF 6623 as OmniTRAX's 6051 (SD40-3) gets ready to leave the BNSF North Yard in Fort Collins, Colorado.
BNSF 7228 (ES44DC) high balls a freight through Broomfield, Colorado.
The morning California Zephyr splits the RTD catenaries as it leaves Denver's Union Station.
UP 4161 (SD70M) and its MOW train holds position while a Herzog vehicle checks the main line adjacent to the UP's North Yard in Denver.
UP 1459 (GP40-2) gets ready to move out into the North Yard to pick up string of freight cars.
RTD's commuter train #4056 leaves Denver Union Station and heads to Westminster, Colorado, a suburb north of Denver.
RTD 4003 rounds the corner to the Rino District station in Denver, which is the last stop on the A Line before arriving at Denver Union Station.
The illusive Warbonnet is spotted in the yard at the BNSF engine servicing facility in Denver.
Denver RTD's commuter train #4057 runs past the 36th Street Yard, giving riders a great view of the large yard in central Denver.
There is a good variety of UP power sitting in the south end of the 36th Street Yard. To the right is the Rino station of RTD's A-Line which connects Denver's Union Station with Denver Internatio... (more)
UP 1640 (SD40N) and mate work the North Yard in Denver sorting freight cars while UP 3922 (SD70M) gets ready to lead two other power units and a long freight out of the yard.