Commissioning signals MYD541 and MYD543 for down trains approaching the Melbourne Yard entrance via the goods lines

Commissioning signals MYD541 and MYD543 for down trains approaching the Melbourne Yard entrance via the goods lines
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Taken with a Canon EOS 50D
Date: July 30, 2012 08:53 AM
Exposure Time: 1/500 sec
Aperture Value: f/8
Focal Length: 50 mm