About the AAA Foundation for Traffic Safety The first study in this volume was sponsored by the AAA Foundation for Traffic Safety. Founded in 1947, the AAA Foundation for Traffic Safety is a not-for-profit, publicly supported charitable research and educational organization dedicated to saving lives and reducing injuries by preventing traffic crashes. Funding for this study was provided by voluntary contributions from motor clubs associated with the American Automobile Association and the Canadian Automobile Association, from individual AAA club members, and from AAA-affiliated insurance companies. This publication is distributed by the AAA Foundation for Traffic Safety in the interest of information exchange. The opinions, findings, and conclusions expressed in this publication are those of the authors and not necessarily those of the Foundation. The AAA Foundation for Traffic Safety assumes no liability for its contents or use thereof. A Message From The Sponsor This study was commissioned after the AAA Foundation for Traffic Safety observed a growing concern with the problem of aggressive driving. A 1995 study performed by the Road Safety Unit of the Automobile Association of Great Britain found that 90 percent of the drivers surveyed had experienced "road rage" incidents during the preceding 12 months. In this study, 60 percent of drivers admitted to losing their tempers behind the wheel during the previous year, and one percent claimed they had been physically assaulted by another motorist. In early 1996, the AAA Potomac club commissioned a study from The Gallup Organization to investigate driver concerns. The study found