Highlights ► Difference in driver-injury severity between SV and MV truck-involved accidents was investigated first time. ► Mixed logit models was used to reveal random effects. ► Respective critical risk factors of SV and MV accidents were evaluated and compared. ► Comprehensive observations which have not been covered in the existing studies were made.
Abstract In adverse driving conditions, such as inclement weather and/or complex terrain, trucks are often involved in single-vehicle (SV) accidents in addition to multi-vehicle (MV) accidents. Ten-year accident data involving trucks on rural highway from the Highway Safety Information System (HSIS) is studied to investigate the difference in driver-injury severity between SV and MV accidents by using mixed logit models. Injury severity from SV and MV accidents involving trucks on rural highways is modeled separately and their respective critical risk factors such as driver, vehicle, temporal, roadway, environmental and accident characteristics are evaluated. It is found that there exists substantial difference between the impacts from a variety of variables on the driver-injury severity in MV and SV accidents. By conducting the injury severity study for MV and SV accidents involving trucks separately, some new or more comprehensive observations, which have not been covered in the existing studies can be made. Estimation findings indicate that the snow road surface and light traffic indicators will be better modeled as random parameters in SV and MV models respectively. As a result, the complex interactions of various variables and the nature of truck-driver injury are able to be disclosed in a better way. Based on the improved understanding on the injury severity of truck drivers from truck-involved accidents, it is expected that more rational and effective injury prevention strategy may be developed for truck drivers under different driving conditions in the future.
Injury severities of truck drivers in single- and multi-vehicle accidents on rural highways
Accident Analysis and Prevention ; 43 , 5 ; 1677-1688
2011-03-24
12 pages
Article (Journal)
Electronic Resource
English
Injury severities of truck drivers in single- and multi-vehicle accidents on rural highways
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