Title: Safety study
Subjects: Safety measures, School buses, Crossings, Crashworthiness, Accidents, Automobiles, Seat belts, Railroads, Truck drivers, Truck driving, Trucking, Traffic safety, Ultralight aircraft, Boats and boating, Aircraft survival equipment, Aeronautics, Survival after airplane accidents, shipwrecks, Transportation, Ditching, Law and legislation, Airplanes, Crash injuries, Boating accidents, Alcohol in the body, Drinking and traffic accidents, Boating injuries
Places: United States