Research Article

Analyzing Traffic Crash Severity in Work Zones under Different Light Conditions

Table 3

Decision rules for crash severity of dark-lighted condition.

RuleNodeRules [if (and…and…)]Then  

2If (CT = HO)Injury54.5
5If (CT = HO) and (NL <= 2)Injury100
8If (CY = NHO) and (NL > 2) and (WC = NC)PDO89.2