Analysis and Prediction of Overloaded Extra-Heavy Vehicles for Highway Safety Using Machine Learning

Figure 5

(a) Silhouette value of the expressway data in Jiangsu Province. Silhouette values of national and provincial highways data in (b) quarter 1 of 2018, (c) quarter 2 of 2018, (d) quarter 3 of 2018, (e) quarter 4 of 2018, (f) quarter 1 of 2019, (g) quarter 2 of 2019, (h) quarter 3 of 2019, (i) quarter 4 of 2019.

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