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Photo ID: 113462
Date Shot
Photo By
Sunday, December 14, 2025 Kevin Morgan
Location
Times Viewed
La Salle to Greeley
La Salle, CO
86
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Subdivision
Railroad
Greeley (UP) CSX, Union Pacific
We are only a week away from the shortest day of the year, so the sun is setting mighty early! With roughly 30 minutes left before the sun dips behind the Rocky Mountains, a northbound special crosses the South Platte River between La Salle and Greeley. The UP train, with a CSX visitor from the east, is a special nuclear cask train.
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Photo ID: 113461
Date Shot
Photo By
Sunday, December 14, 2025 Kevin Morgan
Location
Times Viewed
Hazeltine to Brighton
Adams County, CO
76
(Add a Comment)
Subdivision
Railroad
Greeley (UP) CSX, Union Pacific
Just south of the E-470 overpass, a sole CSX ES44AH leads a special train north on the Greeley Sub. The two curious looking cars on this train are carrying radioactive nuclear material. The casks allow the material to be safely transported by rail.
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Photo ID: 113460
Date Shot
Photo By
Sunday, December 14, 2025 Kevin Morgan
Location
Times Viewed
Stapleton
Denver, CO
103
(Add a Comment)
Subdivision
Railroad
Limon (UP) Union Pacific
At this time of year, when the sun is far to the south, there is some nice lighting along the KP, including here at the Stapleton Yard where the Limon Local is getting ready to head east. Off in the distance, there is very little snow on the peaks of the Colorado Rockies as the fall has been very temperate this year.
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Photo ID: 113459
Date Shot
Photo By
Sunday, December 14, 2025 Kevin Morgan
Location
Times Viewed
Stapleton
Denver, CO
96
(Add a Comment)
Subdivision
Railroad
Limon (UP) Union Pacific
The final Limon Local to run on a Sunday is being put together in the Stapleton Yard. 21 cars are ready to head east to Limon to be set out for the KYLE. Moving forward, the Limon Local will still run on Wednesdays. But the MNYSG will handle setting out cars in Limon as well, reducing the need for the local to run as frequently.
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Photo ID: 113458
Date Shot
Photo By
Sunday, December 14, 2025 Kevin Morgan
Location
Times Viewed
Ulster Street
Denver, CO
87
(Add a Comment)
Subdivision
Railroad
Limon (UP) CSX, Union Pacific
CSX 798 has slowed to a stop on Main 2 just shy of Ulster Street. Shortly, the train will continue west and then head north on the Greeley Sub, where it will stop near Sand Creek to wait for a fresh crew to continue north.
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Photo ID: 113457
Date Shot
Photo By
Sunday, December 14, 2025 Kevin Morgan
Location
Times Viewed
Byers to Mesa
Adams County, CO
73
(Add a Comment)
Subdivision
Railroad
Limon (UP) CSX, Union Pacific
Just west of the small town of Watkins, this special westbound (with a sole CSX leader) crosses a short trestle on the trip. Once arriving Denver, the crew will be relieved and a new crew will take the train north on the Greeley Sub.
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Photo ID: 113456
Date Shot
Photo By
Sunday, December 14, 2025 Kevin Morgan
Location
Times Viewed
Byers to Mesa
Adams County, CO
68
(Add a Comment)
Subdivision
Railroad
Limon (UP) CSX, Union Pacific
CSX 798 rolls west on the main track between Bennett and Watkins. This special train is limited to a max speed of 45 MPH.
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Photo ID: 113454
Date Shot
Photo By
Sunday, December 14, 2025 Kevin Morgan
Location
Times Viewed
Kiowa Creek
Adams County, CO
90
(Add a Comment)
Subdivision
Railroad
Limon (UP) CSX, Union Pacific
An unexpected train came west on the Limon Sub on this Sunday morning. Two nuclear casks were being moved by a single CSX ES44AH, seen here crossing Kiowa Creek near Bennett. The nuclear casks are used to transport radioactive material safely by rail.
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Photo ID: 113430
Date Shot
Photo By
Wednesday, December 3, 2025 Kevin Morgan
Location
Times Viewed
Leyden (7,020ft)
Arvada, CO
124
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak, Union Pacific
A UP ES44AC was added to the point of the westbound Zephyr at North Yard this morning, delaying the train by about an hour. Overnight, around six inches of snow fell, and it is lightly continuing here this morning. This is the first appreciable snowfall the Front Range have seen this winter season.
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Photo ID: 113429
Date Shot
Photo By
Wednesday, December 3, 2025 Kevin Morgan
Location
Times Viewed
CP DS012 (East Leyden)
Arvada, CO
143
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak, Union Pacific
The first real snowfall of the season came very late this year, at the start of December. The westbound Zephyr is about an hour late after stopping in North Yard to pick up a UP unit to run on the point. Presumably, one of the P42DCs on the Zephyr is having some mechanical issues, necessitating the addition of the UP unit.
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Photo ID: 113418
Date Shot
Photo By
Sunday, November 30, 2025 Kevin Morgan
Location
Times Viewed
Colorado Springs
Colorado Springs, CO
98
(Add a Comment)
Subdivision
Railroad
Colorado Springs (UP)/Pikes Peak (BNSF) Union Pacific
A former Western Pacific GP40-2 (now a GP40N) is assigned the duty of Colorado Springs switcher right now. While BNSF runs the vast majority of trains on the Joint Line, Union Pacific is still responsible for switching cars in the yard and delivering and picking up cars to/from customers in the Colorado Springs area. Former Rio Grande caboose #01513, now referred to as a "shoving platform", sits with the GP40N, waiting for an assignment that would come tomorrow (Monday).
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Photo ID: 113417
Date Shot
Photo By
Sunday, November 30, 2025 Kevin Morgan
Location
Times Viewed
Colorado Springs
Colorado Springs, CO
78
(Add a Comment)
Subdivision
Railroad
Colorado Springs (UP)/Pikes Peak (BNSF) Union Pacific
The depot in Colorado Springs hasn't been used as a depot since the end of passenger train service for most freight railroads in 1970 and 1971. There is still a restaurant in the depot as it sits alongside a very empty yard at Colorado Springs. A single UP GP40-2 (now a GP40N after a UP rebuild) and former Rio Grande caboose sit waiting for an assignment.
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Photo ID: 113394
Date Shot
Photo By
Saturday, November 29, 2025 Kevin Morgan
Location
Times Viewed
North Yard
Denver, CO
119
(Add a Comment)
Subdivision
Railroad
Yard Shots Union Pacific
A trio of UP GP38-2s sit in North Yard, UP 663 kicking up a ton of exhaust. All three of these units started their lives as Missouri Pacific units. Missouri Pacific, being primarily a high plains railroad, is one of a handful of railroads that ordered some units without dynamic brakes, deeming them unnecessary for the terrain they ran in. Today, such units are almost always relegated to yard service.
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Photo ID: 113393
Date Shot
Photo By
Saturday, November 29, 2025 Kevin Morgan
Location
Times Viewed
North Yard
Denver, CO
112
(Add a Comment)
Subdivision
Railroad
Yard Shots Union Pacific
This UP GP38-2 has seen better days for a number of reasons. I'm guessing that it has spent some time either in the Houston area, or in Southern California, based on the extensive graffiti. Additionally, white exhaust is pouring out of the exhaust stacks as well. In a diesel-electric locomotive, this is generally indicative of unburned diesel fuel in the cylinders, sometimes from injection timing issues. However, it is possible that it might just be the result of a cold start, and the temperature this morning is only about 25°F, so if the unit was just started, that could explain the exhaust as well.
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Photo ID: 113375
Date Shot
Photo By
Sunday, November 16, 2025 Kevin Morgan
Location
Times Viewed
Tunnel 42 (MP 115.8, 463 ft)
Grand County, CO
83
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Union Pacific
Just east of the east switch of Radium, this westbound UP oil empty emerges from Tunnel 42, the second half of the train visible off in the distance. The train is slowing as it has an approach signal at the east end of Radium as DS-378 is working to figure out the plan for the train.
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