This study was funded by the AAA Foundation for Traffic Safety in Washington, DC. Founded in 1947, the AAA Foundation is a not-for-profit, publicly supported charitable research and education organization dedicated to saving lives by preventing traffic crashes and reducing injuries when crashes occur. Funding for this study was provided by voluntary contributions from the American Automobile Association and its affiliated motor clubs, from individual AAA members, and from AAA-affiliated insurance companies. This publication is distributed by the AAA Foundation for Traffic Safety at no charge, as a public service. It may not be resold or used for commercial purposes without the explicit permission of the Foundation. It may, however, be copied in whole or in part and distributed for free via any medium, provided the AAA Foundation is given appropriate credit as the source of the material. The opinions, findings, and conclusions expressed in this publication are those of the authors and are not necessarily those of the AAA Foundation for Traffic Safety or of any individual who peer-reviewed this report. The AAA Foundation for Traffic Safety assumes no liability for the use or misuse of any information, opinions, findings, or conclusions contained in this report. If trade or manufacturers' names or products are mentioned, it is only because they are considered essential to the object of this report and their mention should not be construed as an endorsement. The AAA Foundation for Traffic Safety does not endorse products or manufacturers.
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