Traffic volume Link length

Roadside type Number of major intersections Number of lanes Median strip or not?

(Link conditions)

Number of human injury accidents

Number of accident with material loss

Casualty, fatal injury, minor injury per accident

Table 3-2-9

Table 3-2-11

Cost of loss per person for each category

Cost of loss per accident with human injury involved

Table 3-2-10

Cost of material loss per accident (no human injury)

Loss of congestion per accident with human injury involved

Material loss

Congestion loss

Human loss

Cost of total loss due to traffic accident

Figure 3-2-2 Structure of traffic accident loss calculation