Backgrounder
Safety communications for TSB investigation (R15H0021) into the March 2015 derailment and fire of a Canadian National crude oil train near Gogama, Ontario
The occurrence
On 07 March 2015, a Canadian National Railway (CN) crude oil unit train was proceeding eastward at about 43 mph on CN's Ruel Subdivision when it experienced a train-initiated emergency brake application at Mile 88.70, near Gogama, Ontario. A subsequent inspection determined that the 6th to the 44th cars (39 cars in total) had derailed.