Critical Factors Analysis of Severe Traffic Accidents Based on Bayesian Network in China

Table 1

Accident classification standard.

Traffic accidents degree	Division standard
The extremely serious accidents	Number of deaths  30, number of injuries  100, or direct property loss  100 million
The serious accidents	10  number of deaths  30, 50  number of injuries  100, or 50 million  direct property loss  100 million
The larger accidents	3  number of deaths  10, 10  number of injuries  50, or 10 million  direct property loss  50 million
The general accidents	Number of deaths < 3, number of injuries < 10, or direct property loss < 10 million