ColoradoRailfan.com Contemporary Railfanning in Colorado
Railroad photograph
Photo by: Kevin Morgan
AMTK 146 and AMTK 78 lead the California Zephyr west as it exists out of Tunnel 3, a brief blast of sunlight before it will duck into Tunnel 4, out of view to the right.
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Sunday, July 20, 2025 at 09:41:58
image date


Location Information

City or County and State
Jefferson County, CO

Subdivision
Moffat Tunnel (UP)

Milepost or Control Point
Tunnel 3 (MP 25.8, 369 ft)



Train Information
Railroad
Amtrak 		Model
P42DC 		Primary Unit Number
AMTK 146

Paint Scheme
Amtrak Phase 5b 		Symbol
AMT5-19 		Train Type
California Zephyr (Amtrak)

Additional Unit Number(s)
AMTK 78 		   

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

Focal Length
24 mm 		Shutter
1/800 seconds 		Aperture
f/2.8