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Potential Future Analyses
n Use of site-specific data collected over eight hours, 24 hours, or
seven days
n Effect of lower truck volumes on accuracy of site-specific
approach
n Use statewide monthly factors to input values for missing
months; then repeat analyses using a larger set of sites
n Test AASHTO three-step averaging procedure
n Evaluate alternative regional and/or functional-class groupings
n Explore alternative factoring procedures