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Publication

Investigating Factors Contributing to Injury Severity in Work Zone Rear-End Crashes

Author/Presenter: Zhang, Kairan; Hassan, Mohamed
Abstract:

Egypt’s National Road Project is a large infrastructure project which presently aims to upgrade 2500 kilometers of road networks as well as construct 4000 kilometers of new roads to meet today’s need. Increasing the amount of highway construction results in a significant increase in the number of work zones and therefore a rise in more hazardous conditions. This paper aims to investigate and identify the significant contributing factors for work zone rear-end crash severity, by applying a factor analysis method and an ordered probit model to analyze data on the Egyptian long-term highway work zone projects during the period of 2010 to 2016. The main and common factors which influence crashes are identified by factor analysis, while the probit model is developed based on the scores of factor analysis to examine how those factors contribute to crashes. The results show that the most influential factors which contribute to crashes are gender, road character, number of lane closures, and age. Furthermore, five common factors significantly affect the severity of work zone rear-end crashes, whose accumulated contribution percentage is 65.92%.

Source: The 5th International Conference on Transportation Information and Safety, July 14 – July 17, 2019, Liverpool, UK
Publication Date: 2019
Source URL: Link to URL
Publication Types: Books, Reports, Papers, and Research Articles
Topics: Crash Causes; Injury Severity; Mathematical Models; Rear End Crashes; Work Zone Safety; Work Zones

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