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Jul 2, 2019
On the Relationship between Traffic Violation Behavior and Crash Involvement Using Locally Linear Embedding and Improved K-Means Algorithm
Authors: Yanchao Song [email protected], Chen Wang [email protected], and Liyang Wang [email protected]Author Affiliations
Publication: CICTP 2019
Abstract
Driver behavior is an important factor contributing to traffic crash occurrence. In previous literature, some specific traffic violation behaviors have been found to be associated with crash risk, such as speeding. However, a comprehensive study needs to be conducted to explore relationships between various violation behaviors and drivers’ crash risk. In this paper, nearly 300 violation types were studied. Crashes were classified into different types based on two criterions: severity and scenario. With a locally linear embedding method (LLE), high-dimensional non-linear relationships among violation and crash types were identified and properly mapped to a lower-dimensional space. Then, an improved K-means algorithm was applied to cluster violation and crash types into multiple groups, to overcome the weakness of traditional K-means algorithm in terms of large variance. The results show some interesting and useful findings. In general, this paper provides valuable information for traffic enforcement and education to improve traffic safety.
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© 2019 American Society of Civil Engineers.
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Published online: Jul 2, 2019
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Intelligent Transportation Systems Research Center, Southeast Univ., Southeast University Rd. #2, Nanjing, Jiangsu 211189, China. E-mail: [email protected]
Intelligent Transportation Systems Research Center, Southeast Univ., Southeast University Rd. #2, Nanjing, Jiangsu 211189, China. E-mail: [email protected]
Traffic Management Research Institute of the Ministry of Public Security, QianRong Rd. #88, Wuxi, Jiangsu 214151, China. E-mail: [email protected]
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