Research Article

Analysis Model of Risk Factors of Urban Bus Operation Based on FTA-CLR

Table 4

Model calibration results.

ParameterReference categoryFatal accidentInjury accident
BSig.BSig.

Driving experience1–5 yearsMore than 20 years−16.2930.006−16.7470.001
5–10 years−17.1400.006−17.1110.001
10–15 years−17.2690.006−17.3300.000
15–20 years−17.6480.006−18.1390.001

Lighting conditionsDaytimeNo street light at night−0.7480.0000.0490.000
Street light at night−0.1560.0000.7040.000

Traffic signal modeSignal controlNo signal control0.0740.02117.3920.000

Driving stateNonstraightStraight−0.9950.015−0.6010.005
Constant19.4080.00020.0490.005