Application of the Bayesian Model Averaging in Analyzing Freeway Traffic Incident Clearance Time for Emergency Management

Table 4

The estimated parameters for the log-logistic AFT model.

Variable	Log-logistic AFT model
	Coef	SE	z-statistic	value
(Intercept)	1.635	0.076	21.570	<2e − 16
Response time	0.072	0.002	39.970	<2e − 16
Traffic control	0.220	0.030	7.470	0.000
Disabled vehicle	0.131	0.066	1.990	0.046
Debris	−0.282	0.073	−3.830	0.000
Abandoned vehicle	−0.293	0.074	−3.970	0.000
Collision	0.417	0.071	5.850	0.000
Single lane blocked	0.239	0.033	7.310	0.000
Multiple lane blocked	0.467	0.059	7.930	0.000
All travel lanes blocked	0.615	0.232	2.650	0.008
Total closure	0.633	0.176	3.600	0.000
Injury involved	0.418	0.072	5.830	0.000
Fire involved	0.731	0.200	3.650	0.000
Night	−0.310	0.071	−4.380	0.000
Summer	−0.055	0.026	−2.080	0.038