ColoradoRailfan.com Contemporary Railfanning in Colorado
Railroad photograph
Photo by: Kevin Morgan
UP 7170 emerges with nine additional units from Tunnel 1. In the distance, you can actually see a small piece of the mainline between the trees, just east of Blue Mountain Drive.
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Sunday, July 19, 2026 at 16:37:31
image date


Location Information

City or County and State
Arvada, CO

Subdivision
Moffat Tunnel (UP)

Milepost or Control Point
Tunnel 1 (MP 23.4, 366 ft)



Train Information
Railroad
Union Pacific 		Model
AC4400CW 		Primary Unit Number
UP 7170

Paint Scheme
UP Flag/Lightning/Wings 		Symbol
Train Type
Light Power


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

Focal Length
166 mm 		Shutter
1/240 seconds 		Aperture
f/3.4