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Pages 103-104

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From page 103...
... 103   The following list includes some abbreviations that are only used in the appendixes. HSM AASHTO Highway Safety Manual AIC Akaike's information criterion AADT annual average daily traffic ACE average causal effect ATE average treatment effect BAC blood alcohol concentration CD Causal Diagrams CLRS centerline rumble strips CART classification and regression trees CMF crash modification factor [and function]
From page 104...
... 104 Guidelines for the Development and Application of Crash Modification Factors OVB omitted variable bias OECD Organization for Economic Cooperation and Development PMR pavement marking retroreflectivity PRPMs permanent raised pavement markings PO Potential Outcomes PDO property damage only PoI property of interest RTM regression to the mean RR representative retroreflectivity RHR roadside hazard rating ROR run-off-road SV single-vehicle SPF safety performance function SRS shoulder rumble strips BIC Schwarz Bayesian information criterion SEM structural equation model VMT vehicle miles traveled vpd vehicles per day

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