Rail transportation safety investigation R14W0137
The occurrence
On , at approximately 1408 Central Daylight Time, Canadian National freight train M34641-23 was proceeding eastward on the Fort Frances Subdivision when 35 cars derailed at Mile 93.38 near Fort Frances, Ontario. The derailed cars included 2 tank cars loaded with molten sulphur (UN 2448), 1 of which was punctured and released product. The product ignited a small grass fire that subsequently burned itself out. There were no injuries.