Below are a couple of articles about the event and actions taken since. I would be glad to hear more from our Canadian readers.
From Al Jazeera America, an account of the event and the steps taken since.
From the CTV news in Canada, an article titled Are We Any Safer provides some details re oil tank car shipments
From the Wall St. Journal: After Lethal Crash, Quebec’s Lac-Mégantic Fears Return of Oil Trains Town Remains Dependent on Rail, a Year After Catastrophe and