The members of the
technical committee selected to monitor this project and to review this
report were chosen for recognized scholarly competence and with due
consideration for the balance of disciplines appropriate to the project.
The opinions and conclusions expressed or implied are those of the
research agency that performed the research, and while they have been
accepted as appropriate by the technical committee, they are not
necessarily those of the Transportation Research Board, the National
Research Council, the American Association of State Highway and
Transportation Officials, or the Federal Highway Administration, U.S.
Department of Transportation.
Each report is
reviewed and accepted for publication by the technical committee according
to procedures established and monitored by the Transportation Research
Board Executive Committee and the Governing Board of the National Research
Published Reports of
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