An Investigation on Crash Worthiness of Different Vehicle Brands: A Case Study of Rollover Crashes

This study aimed at indexing crash worthiness capability of 20 most frequently used car brands in Iran. Since rollover crashes are one of the most important crash types due to their high impact on crash severity, they were chosen as the case study of the current research. In this regard, the data of 42,118 rollover crashes of urban and rural roads of Iran which occurred from 2009 to 2012 was used. Binomial Logistic Regression Model was applied in order to define crash worthiness index based on the driver’s injury status. Although the results revealed that Proton and Hyundai/Light truck had the best performances in rollover crashes, no special trend was found regarding to crash worthiness capability of foreign and Iranian brands. The results of motorcycle rollover crashes were also included for model validation.

Keywords:

Rollover crashes , crash worthiness , binomial logistic regression model , vehicle brand , Iranian car brands