On October 15, 2018, an Accident Investigation Board was appointed to investigate the October 5, 2018, motor vehicle accident that resulted in one fatality and four serious injuries. The Board’s responsibilities have been completed with respect to this investigation. The analysis and the identification of the contributing causes, the root cause, and the Judgments of Need resulting from this investigation were performed in accordance with the Department of Energy Order 225.1B, Accident Investigations, dated March 4, 2011.