Evacuation Traffic Management under Diffusion of Toxic Gas Based on an Improved Road Risk Level Assessment Method

Table 7

Road risk level/weight coefficient according to improved method.

Upstream zone	Downstream zone
	#1	#2	#3	#4	safe area
#1	24/15	22/14	20/13	18/12	16/11
#2	23/M1	15/10	13/9	11/8	9/7
#3	21/M2	14/M5	8/6	6/5	4/4
#4	19/M3	12/M6	7/M8	3/3	1/2
safe area	17/M4	10/M7	5/M9	2/M10	0/1