On 03 August 2010, at 0643 Mountain Daylight Time, Canadian Pacific Railway freight train 2-269-02, proceeding southward from Red Deer, Alberta to Calgary, Alberta, derailed 32 cars at Mile 21.4 of the Red Deer Subdivision near Airdrie, Alberta. (Report is attached)
Describe the operating conditions at the time of the derailment
Describe the rail defect that caused the derailment
Describe the techniques used by railroads to locate this class of defects prior to failure. Was there a problem with the inspection technique at this location?
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