Final report on Lac-Megantic train disaster released
QUEBEC (CNN) -- Canada's Transportation Safety Board has released its final report on a deadly train derailment that killed dozens of people in Quebec last year.
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On July 6, 2013, authorities say tanker cars hauling crude oil broke free from a parked rain, rolled down a hill and exploded in the small town of Lac-Megantic.
The blast killed nearly 50 people and destroyed several buildings.
The TSB investigation found 18 factors played a role in the accident, including lax safety measures at Montreal, Maine and Atlantic Railway, the company that owned the train.
According to the report, the train's operator applied hand brakes on all five locomotives, plus two others cars, but did not test the brakes' effectiveness, as required by railway rules.
The agency is issuing several recommendations to prevent another disaster, including physical defenses to prevent trains from running away when they are left unattended.
The TSB is also calling for more regular and more detailed audits of railways' safety management systems.