; (B) training provided to railroad track inspectors and related railroad personnel; (C) railroad compliance with Federal track safety regulations; and (D) Federal oversight of railroads with respect to track safety; and (2) an evaluation on the leading causes of track defects, particularly along routes where passenger trains, high-hazardous flammable trains, or trains carrying poisonous or toxic-by-inhalation materials, explosives, or radioactive material traverse.