Notice: This document is disseminated under the sponsorship of the U.S. Department of Transportation, Transport Canada, and the Trucking Research Institute in the interest of information exchange. The United States Government, Transport Canada, and the Trucking Research Institute assume no liability for its contents or use thereof. The contents of this report reflect the views of the authors, who are responsible for the facts and accuracy of the data presented herein. The contents do not necessarily reflect the official policy of the U.S. Department of Transportation, Transport Canada, or the Trucking Research Institute.

The primary source document for this study is the project final report, Commercial Motor Vehicle Driver Fatigue and Alertness Study, dated October, 1996. This by Wylie, et. Executive Summary is not to be considered a primary source document, but is to be considered an overview document. As such, it necessarily contains abridgements and paraphrasing from a substantially larger and more detailed publication. The reader is urged to consult the Wylie, et. al. final project report as the key reference to the findings of this study.

This document does not constitute a standard, specification, or regulation.

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