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Photo ID: 112497
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
105
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Union Pacific
UP 7850 and train pass by the weather station that UP has setup on the southeast side of Big Ten Curve. The thrice-weekly manifest is (relatively) light today, so three units on the head end are sufficient power for the train.
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Photo ID: 112496
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
92
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Union Pacific
On the southeast edge of Big Ten Curve, there is a solar-powered weather station setup. The weather station includes an anemometer, which reports the wind speed to UP's headquarters back in Omaha. If wind speeds are too high, UP will issue a 10 MPH slow order around Big Ten Curve.
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Photo ID: 112481
Date Shot
Photo By
Wednesday, May 21, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
93
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Union Pacific
In this classic perspective from East Rocky, UP's thrice-weekly MGJNY leaves the siding at Rocky on its way east. The train is going to stop at the east switch of Leyden for a crew change. The current crew doesn't quite have enough time left on the clock to reliably make it to North Yard.
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Photo ID: 112480
Date Shot
Photo By
Wednesday, May 21, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
124
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Union Pacific
UP has mobilized several earth movers here on Big Ten between Rocky and the top of the curve. UP is using these large boulders to reinforce the grade and shore up the track.
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Photo ID: 112479
Date Shot
Photo By
Wednesday, May 21, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
90
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Union Pacific
A single AC4400CW brings up the back of UP's MJGNY as it rolls by the construction zone on Big Ten Curve. This particular AC4400CW was originally delivered in scarlet and gray as SP 207 in 1995.
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Photo ID: 112478
Date Shot
Photo By
Wednesday, May 21, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
113
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Union Pacific
This GP40-2, now designated as a GP40N, is likely either in need of maintenance, or its 90-day inspection is due. Either way, it is likely on its way to North Platte, NE. The unit was originally delivered to Baltimore and Ohio, before being sold to Southern Pacific and, of course, later being inherited by Union Pacific.
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Photo ID: 112477
Date Shot
Photo By
Wednesday, May 21, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
87
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Union Pacific
Five units lead UP's MGJNY toward a red-over-yellow (Diverging Approach) signal at the west end of Rocky. The second unit is likely headed to North Platte, NE for a 90 day inspection, or possibly for some maintenance.
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Photo ID: 112476
Date Shot
Photo By
Wednesday, May 21, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
86
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Union Pacific
UP's MGJNY arrives in Denver on Monday, Wednesday, and Friday. Lately, it has been fairly common for the train to descend the front range of the Moffat in morning daylight. This Wednesday is no exception, as the train coming around Big Ten Curve.
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Photo ID: 112474
Date Shot
Photo By
Wednesday, May 21, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
108
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) BNSF
BNSF's Provo-Denver is heading east at 10 MPH through the work zone UP currently has set up on Big Ten. The UP manifest in the background is on the main at Eisele (Clay). It just received a restricting (flashing red) signal to proceed east out of Eisele (Clay) behind the BNSF manifest.
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Photo ID: 112473
Date Shot
Photo By
Wednesday, May 21, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
92
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) BNSF
A pair of BNSF DPUs bring up the tail end of the Provo-Denver manifest as it slowly descends Big Ten Curve. As you can see, UP's MGJNY is sitting on the main at Eisele, waiting for its turn to proceed east.
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Photo ID: 112470
Date Shot
Photo By
Wednesday, May 21, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
84
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Rocky Mountaineer
RMRX 8020 and RMRX 8021 are kicking up a bit of exhaust, with ten cars in tow. This includes nine passenger cars and the power car, used (as the name suggests) to provide electrical power to the train as the geeps are not equipped with HEP (Head End Power), such as the P42DCs used by Amtrak.
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Photo ID: 112469
Date Shot
Photo By
Wednesday, May 21, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
110
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Rocky Mountaineer
The Rocky Mountaineer is running with both of its GP40-3s on this trip, as the train climbs up and around Big Ten Loop. In the distance, an eastbound UP manifest (the thrice-weekly MGJNY) is waiting on the main at Eisele (Clay).
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Photo ID: 112468
Date Shot
Photo By
Wednesday, May 21, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
89
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Rocky Mountaineer
As the Rocky Mountaineer climbs the west side of Big Ten Loop, UP's eastbound MGJNY sits on the main at Eisele (Clay). It will wait for both the Rocky Mountaineer to meet it, and then wait for BNSF's Provo-Denver, currently at Plain, to overtake it.
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Photo ID: 112467
Date Shot
Photo By
Wednesday, May 21, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
101
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Rocky Mountaineer
RMRX 8020 and crew creep along at 10 MPH through a UP work zone on Big Ten Loop. There are several earth movers adding new rock on the downhill side of the tracks.
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Photo ID: 112466
Date Shot
Photo By
Wednesday, May 21, 2025 Kevin Morgan
Location
Times Viewed
Big Ten Curve (MP 19.5 to MP 20.2)
Arvada, CO
95
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Rocky Mountaineer
UP's MGJNY is sitting on the main track at Eisele as it needs a recrew. The dispatcher working DS-380 is new to the territory, and was unaware that crews are unable to get to Eisele (by road). Fortunately, the crew will have enough time left to make it down to Leyden for a recrew there. Meanwhile, the manifest is waiting on the Rocky Mountaineer, currently climbing from Rocky.
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