Photo By: Kevin Morgan
 

As UP 7154 rounds the east edge of Big Ten Curve, we see the two DPUs bringing up the tail end back on the main at Eisele (Clay). Big Ten Curve is one of a handful of locations where a crew on the head end of their train can very clearly see the back end.
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Tuesday, August 04, 2026 at 10:50:05 AM
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
Union Pacific 		Model
AC4400CW 		Primary Unit Number
UP 7154

Paint Scheme
UP Flag/Lightning/Wings 		Symbol
Train Type
Unit Oil



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

Focal Length
166 mm 		Shutter
1/400 seconds 		Aperture
f/3.4

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