Research Article
Analysis Model of Risk Factors of Urban Bus Operation Based on FTA-CLR
Table 1
Importance coefficient of risk factors of urban bus operation accidents.
| Risk factors | Structural importance coefficient | Probability importance coefficient | Critical importance coefficient |
| Age X1 | 1 | 0.0115 | 0.0028 | Driving experience X2 | 1.5 | 0.0386 | 0.0257 | Gender X3 | 1 | 0.0093 | 0.0005 | Weather X4 | 1.125 | 0.0113 | 0.0020 | Road table conditions X5 | 1 | 0.0103 | 0.0015 | Visibility X6 | 0.125 | 0.0007 | 0.0004 | Terrain X7 | 0.125 | 0.0007 | 0.0002 | Lighting conditions X8 | 1 | 0.0093 | 0.0005 | Traffic signal mode X9 | 0.5 | 0.0091 | 0.0034 | Roadside facilities protection type X10 | 1.5 | 0.0168 | 0.0127 | Road physical isolation X11 | 0.5 | 0.0010 | 0.0007 | Road condition X12 | 1 | 0.0091 | 0.0003 | Driving state X13 | 1 | 0.0441 | 0.0357 | Intersection or section X14 | 1 | 0.0106 | 0.0018 | Driving period X15 | 0.5 | 0.0051 | 0.0007 | Road alignment X16 | 0.125 | 0.0007 | 0.0001 |
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