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Assessing the likelihood of secondary crashes on freeways with Adaptive Signal Control System deployed on alternate routes

Journal of Safety Research(2021)

Cited 6|Views12
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Abstract
•Two freeways with ASCS deployed on corresponding alternate routes were analyzed.•Fixed and random-parameter logistic regression models were used in the analyses.•ASCS reduced secondary crash likelihood for 84% of crashes in one freeway.•ASCS are recommended for alternate routes to help reduce freeway secondary crashes.
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Key words
Secondary crash,Adaptive Signal Control Systems,Crash Likelihood Estimation,Logistic regression model,Unobserved heterogeneity
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