Chapter
Dec 14, 2021
Macro Prediction Model of Road Traffic Accident Based on NARX Neural Network
Publication: CICTP 2021
ABSTRACT
To predict the development trend of traffic accidents and improve the prediction accuracy of macro indicators of traffic accidents, three direct indicators of road traffic accidents were taken as output variables and six macro indicators were taken as input variables to establish the NARX model. The model was trained and fit based on China’s data from 2001 to 2016, the modeling results were used to predict three direct indicators of traffic accidents in 2017 and 2018. To validate the performance of the NARX model, MLR model, BPNN model and GRNN model were also used as comparative benchmarks. The models were compared by selecting mean square error (MSE), Theil IC (TIC), mean absolute error (MAE) and mean absolute percentage error (MAPE) as the error analysis indexes. The results show the NARX model accuracy is better than the other three contrast models in the aspect of traffic accident macro index prediction.
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Published online: Dec 14, 2021
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1College of Transportation Engineering, Chang’an Univ., Xi’an, Shaanxi, China. Email: [email protected]
2College of Transportation Engineering, Chang’an Univ., Xi’an, Shaanxi, China. Email: [email protected]
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.