ColoradoRailfan.com Contemporary Railfanning in Colorado
Railroad photograph
Photo by: Kevin Morgan
The westbound Zephyr has just exited from Tunnel 47 (known as "The Big Hole") on Donner Pass and is continuing west on Main 1. UP 5727 was added to the train in Denver due to a mechanical issue.
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Sunday, September 06, 2026 at 15:25:30
image date


Location Information

City or County and State
Norden, CA

Subdivision
Roseville

Milepost or Control Point
Shed 47 to Norden



Train Information
Railroad
Amtrak, Union Pacific 		Model
AC4400CW 		Primary Unit Number
UP 5727

Paint Scheme
UP Nose Flags/Shield 		Symbol
AMT5-04 		Train Type
California Zephyr (Amtrak)

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

Focal Length
166 mm 		Shutter
1/320 seconds 		Aperture
f/3.4