Backgrounder
Information about tank cars that carry flammable liquids
The occurrence
On 14 February 2015, a Canadian National Railway (CN) crude oil unit train was proceeding eastward on CN's Ruel Subdivision near Gogama, Ontario. The train was equipped with 2 head-end locomotives hauling 100 Class 111 tank cars loaded with petroleum products (Class 3 flammable liquids). Specifically, 68 cars were carrying Petroleum Crude Oil (UN 1267) and 32 cars were carrying Petroleum Distillates (UN 1268). The train was 6089 feet long and weighed 14 355 tons.