Photo By: Kevin Morgan
 

There have been quite a few UP passenger trains running in the Denver area this summer! In June, UP's passenger equipment ran west over the Moffat. In July, UP 4014 brought a train from Cheyenne to Denver. Then, UP 1616 did the same thing on the Greeley Sub. Later, passenger equipment went west over the Moffat. Now, a UP engineering special heads west, climbing the north leg of Big Ten Curve, with a single SD70M for power.
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Wednesday, August 27, 2025 at 9:42:18 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
SD70M
Primary Unit Number
UP 4533

Paint Scheme
UP Flag/Lightning/Wings
Symbol
PNYGJ-27
Train Type
Special



Photo Information
Camera Make/Model
Hasselblad / Mavic 3 / Mavic 3 Pro [L2D-20c]
ISO
110
Flash
Did Not Fire

Focal Length
24 mm
Shutter
1/2000 seconds
Aperture
f/2.8


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