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Photo ID: 113647
Date Shot
Photo By
Tuesday, April 7, 2026 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
22
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Subdivision
Railroad
Moffat Tunnel (UP) Rocky Mountaineer
Black and white seemed appropriate for this morning shot of the westbound Canyon Spirit, as it leaves Big Ten Curve behind, and heads toward a green signal at the east switch of Eisele. The mesa in the background is North Table Mesa, on the north side of the town of Golden.
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Photo ID: 113646
Date Shot
Photo By
Tuesday, April 7, 2026 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
27
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Rocky Mountaineer
Today is the first revenue run of the Rocky Mountaineer for the 2026 season. One thing you might immediately note is that the train has actually be rebranded this year as the Canyon Spirit. The train, which is climbing Big Ten Curve, has expanded its service and is now running from Denver all the way to Salt Lake City (and back), making one round trip every six days. The train departs Denver west on Tuesdays and returns to Denver the following Sunday. It will not run at all on Mondays.
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Photo ID: 113593
Date Shot
Photo By
Monday, March 23, 2026 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
44
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Union Pacific
Three mid-train swing helpers, including a Tier-4 SD70ACe-T4, are roughly 105 cars deep in a 209 car coal empty that is making its way west to Grand Junction. The train is basically two coal trains combined, and they will split in Grand Junction, running to the mine at West Elk individually.
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Photo ID: 113592
Date Shot
Photo By
Monday, March 23, 2026 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
57
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) CSX, Union Pacific
A trio of elephant-style GEs, including CSX 1981 (on the point), lead the longest train on the Moffat that I've ever personally seen. The train is 11,500 feet long! Basically, two coal trains combined into one. 209 cars, three units on the point, three mid-train swing helpers.
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Photo ID: 113589
Date Shot
Photo By
Monday, March 23, 2026 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
45
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak
AMTK 164, the Phase 4 heritage unit, is likely the most common heritage unit to run on the Zephyr (and over the Moffat). I think I've seen this one way more often than the Phase 1 through 3 heritage units. In any case, it is leading the Zephyr west around Big Ten Curve this morning, along with AMTK 23.
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Photo ID: 113586
Date Shot
Photo By
Friday, March 20, 2026 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
47
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) BNSF
One of those times when the shot worked out just perfect! As the head end of the Provo-Denver approaches the west switch of Rocky, a pair of DPUs are coming around the east edge of Big Ten Loop on the tail end of the train.
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Photo ID: 113585
Date Shot
Photo By
Friday, March 20, 2026 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
50
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) BNSF
A pair of ES44ACs bring up the end of the eastbound Provo-Denver around the east edge of the Big Ten Loop. The train is relatively short with 63 cars, but BNSF has three units on the point and two points on the rear.
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Photo ID: 113584
Date Shot
Photo By
Friday, March 20, 2026 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
41
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) BNSF
Along the south edge of Big Ten Loop, this eastbound BNSF manifest is continuing east toward Denver. At the moment, it is running a bit below track speed. UP has some slow orders out due to some track work they have been doing in the area.
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Photo ID: 113579
Date Shot
Photo By
Friday, March 20, 2026 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
50
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak
This seemed like the perfect angle, along the east side of Big Ten Loop, for a shot of the morning Zephyr as it heads west. You can see Tunnel 1 in the distance, and even the east portal of Tunnel 4 further off in the distance.
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Photo ID: 113578
Date Shot
Photo By
Friday, March 20, 2026 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
61
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak
On the lower north edge of Big Ten Loop, the morning Zephyr is starting its climb. As we move in to Spring, the Denver area is still in the midst of the driest winter season in recorded history. It is unlikely the foliage is going to green up as much this spring compared to a typical spring.
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Photo ID: 113562
Date Shot
Photo By
Monday, March 16, 2026 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
53
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak
After one of the driest winters in recorded history, some fresh snow finally fell Saturday night and Sunday night in the Denver area. However, with a forecasted high of 80°F (27°C) in just two days, it is possible this is the last blanket of snow we will see this season.
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Photo ID: 113383
Date Shot
Photo By
Wednesday, November 26, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
146
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak
The paint on the nose of AMTK 83 is a little worse for wear as the Zephyr climbs the north edge of Big Ten.
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Photo ID: 113278
Date Shot
Photo By
Monday, October 27, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
118
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Union Pacific
A UP (tie) work train is climbing west out of Rocky, on its way up Big Ten Loop. Above the work train, in the siding at Eisele (Clay), an eastbound UP manifest is patiently waiting its turn to head east. It has held in the siding for two westbounds (the Zephyr and BNSF's Denver-Provo), and is now waiting on the work train.
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Photo ID: 113180
Date Shot
Photo By
Saturday, September 27, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
186
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Union Pacific
At first glance, this might appear to be a unit covered hopper train. While it is almost exclusively covered hoppers, you can see two tank cars off in the distance. This is an extra train, with the symbol MDVBOX-27. All the cars on this train are headed for industries on the Craig Branch. Normally, the cars would be added to the MNYGJ and the cars would be set out at Bond. However, the sheer volume of cars have necessitated this extra train. A rare sight indeed on the Moffat.
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Photo ID: 113032
Date Shot
Photo By
Thursday, September 11, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
421
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak
Clouds slowly float around in the area as the morning Zephyr makes its way up and around Big Ten Curve.
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