ColoradoRailfan.com Contemporary Railfanning in Colorado
Railroad photograph
Photo by: Kevin Morgan
Clouds slowly float around in the area as the morning Zephyr makes its way up and around Big Ten Curve.
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Thursday, September 11, 2025 at 09:32:18
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 204

Paint Scheme
Amtrak Phase 7 		Symbol
AMT5-10 		Train Type
California Zephyr (Amtrak)

Photo Information
Camera Make/Model
Hasselblad / Mavic 3 / Mavic 3 Pro [L2D-20c] 		ISO
100
Flash
Did Not Fire

Focal Length
24 mm 		Shutter
1/1600 seconds 		Aperture
f/2.8