About 4:25 e.d.t., July 8, 1986, southbound CSX Transportation (formerly Baltimore and Ohio Railroad) freight train Extra 7614 South derailed 15 of the 44 cars in the train. The train was traveling about 45 mph at the time of the derailment. The derailed cars were the 24th through the 38th head cars of the train. The train was en route from North Dayton, Ohio, to Cincinnati, Ohio, with 1 locomotive unit and 44 cars. The train did not have a caboose.