BORDULAC, N.D. (Valley News Live) — Nearly two years after a fiery train derailment near Carrington released hazardous materials and forced evacuations, federal investigators have determined the probable cause was a collapsed subgrade supporting the track structure. The National Transportation Safety Board released its final report on the July 5, 2024 derailment of Canadian Pacific Kansas City Railroad train 242-03, which derailed 29 railcars, including 17 hazmat tank cars, near Bordulac.