Photo By: Kevin Morgan
 

Running just a few minutes behind schedule, the westbound Zephyr crosses Carr Street in Arvada and also passes through the high/wide detector at MP 8.4. This detector has a wire the runs up, across, and down around the track. The wire is the size of the smallest tunnel. If a car is too large to fit through a tunnel, it'll hit the wire and activate the detector. This ensure no cars will strike the inside of a tunnel.
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Monday, December 18, 2017 at 8:34:13 AM
image date



Location Information
City or County and State
Arvada, CO

Subdivision
Moffat Tunnel (UP)

Milepost or Control Point
Detector (MP 8.4)




Train Information
Railroad
Amtrak
Model
P42DC
Unit Number
AMTK 48

Symbol
AMT5-17
   



Photo Information
Camera Make/Model
Canon / Canon EOS-1D Mark III
ISO
200
Flash
Did Not Fire

Focal Length
400 mm
Shutter
1/400 seconds
Aperture
f/10


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