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Showing 1 to 1 of 1 for “"Before/After Evaluation"”.
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Analyzing the Safety Effects of Edge Lane Roads for All Road Users
… comparison sites and (b) an Empirical Bayes (EB) before/after analysis for ELR sites where requisite data on AADT and other relevant characteristics were available. Crash data was collected and compiled into four different groups: ELR before implementation, ELR after implementation, comparison …