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ACKNOWLEDGMENTS This study was performed under the overall guidance of the NCHRP Project Committee SP 20-6. The Committee is chaired by MICHAEL E. TARDIF, Friemund, Jackson and Tardif, LLC. Members are JAMES R. âJIMâ BAILEY, Texas DOT; CARMEN D. TUCKER BAKARICH, Kansas DOT; RICHARD A. CHRISTOPHER, HDR Engineering; TONI HAMBURG CLITHERO, Vermont Agency of Transportation; JOANN GEORGALLIS, California Department of Transportation; MARCELLE SATTIEWHITE JONES, Stantec Consulting Services, Inc.; RODNEY M. LOVE, Mississippi DOT; SID SCOTT, III, HKA- Global; FRANCINE T. STEELMAN, I-77 Mobility Partners, LLC. MICHELLE S. ANDOTRA provided liaison with the Federal Highway Administration, ROBERT J. SHEA provided liaison with TRBâs Technical Activities Division, and GWEN CHISHOLM SMITH represents the NCHRP staff. NATIONAL COOPERATIVE HIGHWAY RESEARCH PROGRAM Systematic, well-designed, and implementable research is the most effective way to solve many problems facing state depart- ments of transportation (DOTs) administrators and engineers. Often, highway problems are of local or regional interest and can best be studied by state DOTs individually or in cooperation with their state universities and others. However, the accelerating growth of highway transportation results in increasingly complex problems of wide interest to highway authorities. These prob- lems are best studied through a coordinated program of cooperative research. Recognizing this need, the leadership of the American Association of State Highway and Transportation Officials (AASHTO) in 1962 initiated an objective national highway research program using modern scientific techniquesâthe National Coopera- tive Highway Research Program (NCHRP). NCHRP is supported on a continuing basis by funds from participating member states of AASHTO and receives the full cooperation and support of the Federal Highway Administration (FHWA), United States Depart ment of Transportation, under Agreement No. 693JJ31950003.
Transportation Research Board 500 Fifth Street, NW Washington, DC 20001 Subscriber Categories: Law ⢠Highway ⢠Design These digests are issued in order to increase awareness of research results emanating from projects in the Cooperative Research Programs (CRP). Persons wanting to pursue the project subject matter in greater depth should contact the CRP Staff, Transportation Research Board of the National Academies of Sciences, Engineering, and Medicine, 500 Fifth Street, NW, Washington, DC 20001.
