Accid Anal Prev 2021 Jun 2;159:106213. Epub 2021 Jun 2.
Jiangsu Key Laboratory of Urban ITS, Southeast University, Dong Nan Da Xue Road #2, Nanjing, 211189, China; Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic Technologies, Dong Nan Da Xue Road #2, Nanjing, 211189, China; School of Transportation, Southeast University, Dong Nan Da Xue Road #2, Nanjing, 211189, China. Electronic address:
Improvement of the prediction efficiency of crash risks has attracted the attention of numerous studies. Nevertheless, one of the most important factors, crash precursors, were neglected. This study mainly focuses on identifying optimal crash precursors for different freeway section types, as well as providing a threshold selection method for real-time crash risk models. Read More