Worn rail car components blamed for 2014 Ont. train derailment
TSB investigation determines the derailment caused by excessive truck hunting on the empty centre beam bulkhead flat car.
Track failures may have played role in Ont. derailments
TSB says trains have already been ordered to travel slowly in the area due to track maintenance issues.
New oil tank car standards should come sooner: TSB
New standards would require the cars to have a layer of thermal protection and thicker steel walls.
Latest Ontario train derailment shows new safety standards inadequate: TSB
Transport investigator is urging Transport Canada to quickly introduce enhanced standards to reduce the risk of spills.
TSB wants a closer look at highly flammable cargo in Lac Megantic disaster
Blasts were much more intense than what would be expected from the petroleum product.