Rail stress gauge at North Shore

Rail stress gauges were installed as a trial on the East line after July 6, 2008. They are located at located at kilometre posts 57.950, 58.900, 65.950 and 67.250.
Rail stress gauge at North Shore
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Taken with a Canon EOS 350D DIGITAL
Date: July 05, 2008 12:09 PM
Exposure Time: 1/500 sec
Aperture Value: f/14
Focal Length: 22 mm