Photo By: Kevin Morgan
 

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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Friday, May 23, 2025 at 10:05:02 AM
image date



Location Information
City or County and State
Arvada, CO

Subdivision
Moffat Tunnel (UP)

Milepost or Control Point
Big Ten Curve (MP 19.5 to MP 20.2)




Train Information
Railroad
Union Pacific
Model
ES44AC
Primary Unit Number
UP 7850

Paint Scheme
UP Flag/Lightning/Wings
Symbol
MGJNY-22
Train Type
Manifest



Photo Information
Camera Make/Model
DJI / Mavic 3 Pro [FC4370]
ISO
100
Flash
Did Not Fire

Focal Length
166 mm
Shutter
1/640 seconds
Aperture
f/3.4


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