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原文传递 Development of Relationship between Truck Accidents and Geometric Design. Phase 1; Final rept. 1990.10-Jan 93

题名：	Development of Relationship between Truck Accidents and Geometric Design. Phase 1; Final rept. 1990.10-Jan 93
作者：	Miaou, S. P.; Hu, P. S.; Wright, T.; Davis, S. C.; Rathi, A. K.
关键词：	Truck accidents; Highway safety; Highway design; Poisson ratio; Utah; Tables(Data); Shoulders(Road); Geometric forms
摘要：	The purpose of the study was to establish empirical relationships between truck accidents and highway geometric design. First, statistical frameworks based on Poisson and negative binomial regression models were proposed. Preliminary models were then developed using accidents and road inventory data from the Highway Safety Information System (HSIS). Three roadway classes were considered in the model development: rural Interstate, urban Interstate and freeway, and rural two-lane undivided arterial. The maximum likelihood method was used for estimation of model parameters. Information criterion, asymptotic t-statistic, and goodness-of-fit test statistics were employed to evaluate the estimated models. The model results based on data from one of the HSIS States--Utah, were used for analysis and for suggesting areas in which the quality and quantity of the existing HSIS data can be enhanced to improve the developed models.
总页数：	152p
报告类型：	科技报告