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Photo ID: 112693
Date Shot
Photo By
Sunday, June 29, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
24
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Union Pacific
UP 4404 and UP 4533 throttle up and kick up some exhaust after clearing a slow order, picking up speed while climbing out of Rocky, up and around Big Ten Curve.
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Photo ID: 112661
Date Shot
Photo By
Tuesday, June 24, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
36
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) BNSF
BNSF 8523 and two GEs work to pull an empty oil train up and around Big Ten Curve. BNSF frequently runs oil trains with six units on the head end, so the power is present to run eastbound (on the oil load) in a 3x3 configuration. However, these three units are the only units on this westbound. BNSF will be getting three additional units from somewhere else when the train is ready to head east.
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Photo ID: 112657
Date Shot
Photo By
Tuesday, June 24, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
25
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Rocky Mountaineer
The Rocky Mountaineer descends on the north edge of Big Ten Curve, through the area where Union Pacific recently reinforced the grade along the tracks. You might also take notice of the tank cars in the distance...a westbound BNSF oil train is holding the main at Rocky, waiting on the Mountaineer to arrive.
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Photo ID: 112656
Date Shot
Photo By
Tuesday, June 24, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
31
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Rocky Mountaineer
Look up toward Big Ten Curve from slightly below, we find the Rocky Mountaineer rounding the curve on its journey east, while a not insubstantial thunderstorms spills from the Rockies over the Front Range.
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Photo ID: 112649
Date Shot
Photo By
Tuesday, June 24, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
28
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak
About a month ago, Union Pacific reinforced the track on the north edge of Big Ten Curve. A lot of rip rap rock was laid on the slope of the track, as you can see to the right. The California Zephyr, with nine Superliners, climbs up and around Big Ten.
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Photo ID: 112631
Date Shot
Photo By
Friday, June 20, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
30
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak
AMTK 157 looks to have suffered from scratched pain on its nose. It and AMTK 25 are leading the Zephyr west out of Rocky, digging into the nearly 2% grade.
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Photo ID: 112624
Date Shot
Photo By
Thursday, June 19, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
25
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak
AMTK 22 and AMTK 30 have the duty to lead the westbound Zephyr this morning. The train is wrapping around the east edge of Big Ten Loop, passing by the open hoppers that serve as a wind break.
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Photo ID: 112623
Date Shot
Photo By
Thursday, June 19, 2025 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) Amtrak
After getting some help from UP MOW to get the west switch of Rocky thrown, the train is on the move again climbing Big Ten. The train departed Denver about 45 minutes late, but dealing with the switch at Rocky and a few speed restriction would result in the train being about 90 minutes late when it reaches Fraser.
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Photo ID: 112613
Date Shot
Photo By
Sunday, June 15, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
46
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak
Alas, five minutes after the Zephyr came through this scene, the sun broke out through the clouds. Alas, that's the way things break sometimes. Regardless, in the shot here we get a good look at the work Union Pacific has done on Big Ten Loop. A lot of rock has been added to reinforce the tracks on the grade here.
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Photo ID: 112558
Date Shot
Photo By
Monday, June 9, 2025 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) Amtrak
AMTK 51 and AMTK 14 lead the westbound Zephyr by the recent construction site on Big Ten, where Union Pacific spent a few weeks putting new rock down to reinforce the grade here on the north end of Big Ten Curve.
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Photo ID: 112548
Date Shot
Photo By
Wednesday, June 4, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
77
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Ferromex, BNSF
Always like trying to get a roster shot of a foreign visitor in the area. Particularly when it is a visitor from the south or north of the border! Second out on this westbound oil train is a Ferromex SD70ACe. Ferromex, of course, is one of the two largest railroads in Mexico.
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Photo ID: 112547
Date Shot
Photo By
Wednesday, June 4, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
81
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Norfolk Southern, BNSF
Last week, UP officially wrapped up a majority of the construction on Big Ten and reopened the mainline between switches at Rocky. There is still some minor work happening, but all the speed restrictions have been lifted. This NS/BNSF oil train climbs the north edge at track speed.
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Photo ID: 112546
Date Shot
Photo By
Wednesday, June 4, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
71
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Norfolk Southern, BNSF
It seems that a business east of the Mississippi has a contract with the Wash oil loadout. The train originates on Norfolk Southern and is turned over to BNSF. However, most of the time, the train has been running with at least a few NS units all the way to the oil transloaded facility. On this particular day, an interesting NS/FXE/NS trio lead the train.
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Photo ID: 112499
Date Shot
Photo By
Friday, May 23, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
117
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Union Pacific
Union Pacific maintenance has a small line of earth movers setup and ready to go to work, placing the riprap that has been dumped along the tracks. UP started this project about two weeks ago, after a minor derailment in the area. It looks like the project will likely last a few more weeks.
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Photo ID: 112498
Date Shot
Photo By
Friday, May 23, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
148
(1 Comment Posted)
Subdivision
Railroad
Moffat Tunnel (UP) Union Pacific
UP 7850 is slowly descending down the north edge of Big Ten Curve, passing by several UP maintenance crews. UP has placed a lot of riprap rock to help shore up the track here. Indeed, work is ongoing and more rock will be placed in the coming days and weeks.
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