Effects of a towaway reporting threshold on crash analysis results

摘要: The effects on future data analysis capabilities and results should states convert to a towaway above crash-reporting threshold are quantified. from the four used in (Illinois, Michigan, Minnesota, North Carolina) revealed that only 51.7 percent of crash would be included using threshold. Only 33.7 an injury In general, exclude more crashes urban streets than rural roads. For most road classes, 40 60 excluded. A result greatly underestimating occurrence certain types, particularly rear-end, sideswipe, parking, animal crashes. Run-off-road angle/turning also affected considerably. Using criterion will seriously affect researchers' ability conduct meaningful evaluations roadside appurtenances, such as guardrail, breakaway signs poles, cushions, various...