Federal Railroad Administration, Office of Safety Headquarters Assigned Accident Investigation Report HQ-2006-16: Burlington Northern Santa Fe (BNSF), Ismay, Montana, March 19, 2006

摘要

On March 19, 2006, at 9:55 p.m. (MST), an eastbound BNSF Railway Company (BNSF) loaded coal train (C-EBMSPCO-27) derailed on the Montana Division, Hettinger Subdivision approximately 3.7 miles west of Ismay, Montana, milepost 1047.6. The train was traveling on a single main track at a recorded speed of 40 mph. The maximum authorized timetable track speed in the area of the accident is 40 mph. The train consisted of four locomotives, 115 railcars of coal, 16,317 trailing tons and was 6,390 feet in length. A total of 29 cars, 40th through the 68th, derailed. There were no injuries reported and no release of hazardous materials. The estimated damage of the derailment was $1,270,228 ($72,000 track and $1,198,228 equipment). At the time of the derailment it was dark, windy with snow. The temperature was 23DGF. The probable cause of the accident was broken non-insulated rail joint bars (T215).