Financial Edge, November 2018: In mid-September, CSX filed a report to the FRA stating that its June 2018 derailment near Princeton, Ind., (about 150 miles south of Indianapolis) was caused by buckled track. The derailment included 23 freight cars and caused the evacuation of nearby homes (within a radius of about one mile from the crash site) as a precautionary measure. Some of the derailed cars were carrying liquid petroleum gas (LPG or NGLs) and liquid propane (LP). 60,000 gallons of liquid NGLs were released. One tank railcar filled with leaking propane was on fire.