Risk Analysis and Route Optimization of Dangerous Goods Transportation Based on the Empirical Path Set

Table 2

Coefficient between weather and accident.

Item	Fine	Rain	Snow	Fog
Number of accidents	245	52	17	10
Weather days	292	55	6	8
Number of accidents per day (certain type of weather)	0.84	0.95	2.83	1.25
Weather coefficient	1	1.13	3.37	1.49