At 4:00 p.m. on September 1, 1975, 17 cars of a Chicago, Rock Island and Pacific Railroad train, No. 81A31, derailed at the frog of a facing point switch on the main line near Des Moines, Iowa. The train was descending a 1-percent grade on a 1-degree curve. Eleven of the derailed cars contained liquefied petroleum gas (LPG). Fire and explosions ensued; the LPG was consumed and three persons were injured. The National Transportation Safety Board could not determine the cause of the initial derailment. The cause of the injuries and damages was the derailment of cars at or near the frog of the turnout and the subsequent tankhead punctures by disengaged couplers of the derailed tank cars.
Derailment of Tank Cars with Subsequent Fire and Explosion on Chicago, Rock Island and Pacific Railroad Company Near Des Moines, Iowa, September 1, 1975
1976
24 pages
Report
No indication
English
Transportation Safety , Railroads , Accident investigations , Cargo transportation , Hazardous materials , Collision research , Switching system , Railroad tracks , Railroad cars , Tank cars , Liquefied petroleum gases , Fires , Explosions , Butanes , Injuries , Firefighting , Death , Railroad accidents , Railroad derailments
Assessing Derailment Potential of Partially Filled Railroad Tank Cars
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