Chapter
Jul 2, 2019
Duration Prediction for Truck Crashes Based on the XGBoost Algorithm
Publication: CICTP 2019
Abstract
Congestion caused by traffic crashes can cause serious problems for the road, traffic participants, and the environment. Truck crashes usually have the characteristics of high severity and long duration. Here, we study 12,259 truck crashes in Shanxi Province from 2012 to 2017. An XGBoost algorithm was used to predict crash duration using data after classification and feature selection. Samples were divided into two parts in each group, 80% of samples were used to train model and 20% of samples were used to test model. Root-mean-square error (RMSE) representing the variance between predictive value and true value was used to evaluate models.The model performed well for for truck crashes lasting less than 360 min, with RMSE of 10.8932 for 0–90 min duration and RMSE of 17.6550 for 90–360 min A large RMSE was measured when predicting truck crashes lasting more than 360 min.
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© 2019 American Society of Civil Engineers.
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Published online: Jul 2, 2019
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School of Transportation, Southeast Univ., 2 Sipailou, Nanjing, Jiangsu 210096, P.R. China. E-mail: [email protected]
School of Transportation, Southeast Univ., 2 Sipailou, Nanjing, Jiangsu 210096, P.R. China. E-mail: [email protected]
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