Heterogeneity of crash data masks the underlying crash patterns and perplexes crash
analysis. This paper aims to explore an advanced high-dimensional clustering approach to …

The number of fatalities and severe injuries in large truck-related crashes has significantly
increased since 2009. According to the safety experts, the recent increase in large truck …

The unobserved heterogeneity in traffic crash data hides certain relationships between the
contributory factors and injury severity. The literature has been limited in exploring different …

Since 1994, Texas has had the highest number of fatal crashes involving large trucks in the
United States, and this number increased by 82% from 2009 to 2012. Due to the size and …

Statistics clearly demonstrate that large-truck crashes contribute to a significant percentage
of high-severity crashes. It is therefore important for the highway safety community to identify …

One-ninth of all traffic fatalities in the United States (US) in the past five years have involved
large trucks, although large trucks contributed to only 3% of registered vehicles and 7% of …

Large trucks are involved in a disproportionately small fraction of the total crashes but a
disproportionately large fraction of fatal crashes. Large truck crashes often result in …

6 The study evaluated the impacts of geometric design factors and traffic factors on the 7
truck-related crashes at freeway diverge areas. For this purpose, 391 freeway segments with …

Promoting the safety of commercial trucks by identifying countermeasures that
eliminate/reduce the effect of factors that increase the severity of truck-related crashes is …

Although the fatal rate of passenger vehicle-involved crashes has decreased in the United
States, the fatal rate of truck-involved crashes has increased. This has, in recent years …