1992-02-01

A Statistical Analysis of Vehicle Rollover Propensity and Vehicle Stability 920584

This report documents the accident data collection, processing and analysis methodology used by the National Highway Traffic Safety Administration (NHTSA) in a major agency agency investigation of the rollover propensity of light duty vehicles. Specifically, these efforts were initiated in response to two petitions for rulemaking requesting the development of a standard for rollover stability. Logistic regression models were used to investigate the ability of a number of stability measures to predict vehicle rollover propensity, while accounting for a number of driver and environmental factors. It is not the intent of this paper to document formal agency policy in the area of any possible rulemaking efforts, and as such, references to these activities are not discussed. The reader can obtain information on this activity through normal agency procedures.
A more complete discussion of the events leading to this research activity, descriptions of the specific vehicles and vehicle metrics employed in the analysis and how they were measured can be found in reference [1].

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