BNSF Bellingham Slump Detectors
Slump detectors are filled with a liquid and a sensor. If the hillside slips out the liquid drains out and the sensor turns all approaching signals red.
The track at this location was moved farther away from the cliff to its current location in the early 1960's.
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Uploaded on February 28, 2009
Taken on February 27, 2009
BNSF Bellingham Slump Detectors
Slump detectors are filled with a liquid and a sensor. If the hillside slips out the liquid drains out and the sensor turns all approaching signals red.
The track at this location was moved farther away from the cliff to its current location in the early 1960's.
2,124
views
0
faves
1
comment
Uploaded on February 28, 2009
Taken on February 27, 2009