Keyes Manitoba - A broken rail caused a Canadian Pacific Railway (CP) freight train to derail in February 2014 in Manitoba.
 
The Transportation Safety Board (TSB) says in its Report R14W0041 into the derailment near Keyes that the rail failed due to another train with defective wheels travelling through the same area about six hours earlier.
 
The freight train had left Bredenbury, Saskatchewan, for St. Paul, Minnesota, and was made up of two locomotives, 50 loaded cars, and 22 empty cars.
 
The board says the crew first noted a rough section of track just before 25 loaded covered hopper cars and two empty cars left the track.
 
There were no dangerous goods and no injuries.
 
The board says the previous train had one car with large, flat spots on its wheel treads, which indicates brake failure, and that likely affected the integrity of the rail.

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