Fig 1.
Flowchart of the gradient flow method.
Fig 2.
Procedure for the TFBI-based approach.
Fig 3.
Consistency rates between the TFBI and NRI with different sampling ratios.
Fig 4.
The V/C ratio and traffic flow of all links in the Changchun road network.
Fig 5.
Critical links based on the NRI in the Changchun road network.
Fig 6.
Betweenness of each link.
Fig 7.
Traffic flow of each link.
Fig 8.
Sample road network.
Fig 9.
Traffic zones of the sample road network.
Table 1.
Results for TFBI (r = 0.55) compared with those for NRI.
Fig 10.
Critical links based on the TFBI in the Changchun road network.
Table 2.
Consistency rates of critical links and Spearman’s rank correlation coefficient ρ between the TFBI and NRI.
Fig 11.
Correlation ρ between NRI and TFBI rankings when r = 0.55.
Table 3.
Consistency rates of critical links between TFBI (r = 0.55) and NRI.
Table 4.
Computational performance of the TFBI-based approach.