Closer view of derailed cars strewn across a hillside, with workers and heavy equipment on the scene. One piece of such equipment is in the foreground. At least one of the cars is still burning. The derailment happened late on Tuesday, October 17, 1978 on a remote stretch of tracks between Dawson Springs, KY and Princeton, KY. It caused 18 cars of a 64 car Illinois Central Gulf Railroad train to derail, including 2 carrying vinyl chloride which exploded and burned.