Fig 1.
The specific location of interstate highway 5 in California, USA.
Fig 2.
Sketch map of data extraction for traffic safety state analysis.
Fig 3.
Flow chart of highway crash risk assessment method based on traffic state partition.
Table 1.
Fuzzy clustering center of 6 categories.
Fig 4.
Characteristics of different traffic safety states.
(A) Sketch map of traffic safety status 1. (B) Sketch map of traffic safety status 2. (C) Sketch map of traffic safety status 3. (D) Sketch map of traffic safety status 4. (E) Sketch map of traffic safety status 5. (F) Sketch map of traffic safety status 6.
Table 2.
Estimation results of Bayesian conditional logistic regression model.