Railroad photograph
Photo by: Kevin Morgan
The westbound Zephyr is getting nearing the end of a 10 MPH slow order and, as a result, both P42DCs are throttling up and they both kick up a bit of exhaust. The Zephyr is on the south edge of Big Ten, and is headed into the afternoon light. A bit unusual to have these lighting conditions for the westbound Zephyr, but it is running six hours late.
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Sunday, August 03, 2025 at 15:34:53
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
Amtrak
Model
P42DC
Primary Unit Number
AMTK 39

Paint Scheme
Amtrak Phase 5b
Symbol
AMT5-02
Train Type
California Zephyr (Amtrak)


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

Focal Length
166 mm
Shutter
1/800 seconds
Aperture
f/3.4