An Improved Shuffled Frog Leaping Algorithm and Its Application in Dynamic Emergency Vehicle Dispatching

Table 1

Value of accident severity.

Accident level		Description of the accident				Accident severity
		Death toll	The number of serious injuries (SI)	The number of slight injuries	Property loss (L)
Minor accident	Situation 1	-	-	1-2	-	40
	Situation 2	-	-	-	Motor vehicle accidents: <1,000; Nonmotor vehicle accidents: <200
Ordinary accident	Situation 1	-	1-2	-	-	60
	Situation 2	-	-	3	-
	Situation 3	-	-	-	<30,000
Major accident	Situation 1	1-2	-	-	-	80
	Situation 2	-	3 ⩽ SI < 10	-	-
	Situation 3	-	-	-	30,000 ⩽ < 60,000
Extra serious accident	Situation 1	3	-	-	-	100
	Situation 2	-	11	-	-
	Situation 3	1	8	-	-
	Situation 4	2	5	-	-
	Situation 5	-	-	-	60,000