Estimation of annual average daily traffic for off-system roads in Florida
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1999-07-28
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Abstract:Estimation of Annual Average Daily Traffic (AADT) is extremely important in traffic planning and operations for the state departments of transportation (DOTs), because AADT provides information for the planning of new road construction, determination of roadway geometry, congestion management, pavement design, safety considerations, etc. AADT is also used to estimate state wide vehicle miles traveled on all roads and is used by local governments and the environmental protection agencies to determine compliance with the 1990 Clean Air Act Amendment. Additionallt, AADT is reported annually by the Florida Department of Transportation (FDOT) to the Federal Highway Administration. This study investigates the possibility of estanlishing one or more models for estimating AADT for off-system roads in Florida. It is intended by the FDOT that once such models are developed, important variables that contribute to AADT may be identified and their impact on AADT may be quantified. As a result, a matrix or a classification method may be developed for grouping roads into different categories. Roads in each category would possess similar characteristics. AADT may then be estimated for roads that do not have traffic counts based on those other roads in the same category.
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