BNSF 4327 (Dash9) leads a freight and a pair of DPU's down the hill from Tunnel 1 and into Coal Creek Canyon.

The California Zephyr runs through fresh snow as it climbs towards Tunnel 1 out of Coal Creek Canyon.

Snow is falling in the Union Pacific's North Yard as UP 1957 (SD40N) heads towards a cut of cars that need sorting.

UP 5518 (C45ACCTE) lends a helping hand to the California Zephyr as it runs through the Keenesburg Cut on its way to Chicago. The UP motor was needed because one of the Amtrak P42s had to be set ... (more)

The California Zephyr 6 train made a rare daylight appearance at Rollinsville, Colorado, due to being 13 hours late. The train lost a P42 engine and was able to enlist the services of a Union Pac... (more)

The stylish and colorful Rocky Mountaineer passenger train exits the west portal of the Moffat Tunnel at Winter Park, Colorado as it makes a training run prior to the start of the season's tours. ... (more)

UP 5340 (ES44AC) leads three other motors and a freight through a snowy Winter Park, Colorado.

UP 4404 (SD70M) leads the Union Pacific special heritage passenger train past some old livestock pens in Greenland, Colorado.

Engineer Gary Meyer and student engineer Justin Anton pose for a picture as they wait for a dog catch crew to come take the California Zephyr into Denver. Due to lengthy delays for traffic and we... (more)

UP 1418 (GP40N) moves a cut of cars in the North Yard in Denver, Colorado.

UP 4404 leads the Union Pacific heritage passenger train through Sedalia, Colorado.

The 16-hour late California Zephyr 6 train was has UP 5518 (C45ACCTE) leading through Coal Creek Canyon due to a bad bearing on one of the P42's.

The California Zephyr 6 train was 16 hours late getting to Colorado which meant the crews would have to be switched at Coal Creek Canyon. UP 5518 (C45ACCTE) was in the lead to help the train get ... (more)

The California Zephyr 6 train was having a bad day. Not only was it 16 hours late getting to the Moffat Tunnel, a bad bearing on one of the P42 engines necessitated the removal of that engine and... (more)

BNSF 2854 (GP39-2) runs through Burkes Hill in Louisville, Colorado.