Do Expressway Interchanges Increase Crash Injury Severities? Insights Using Temporal Instability and Unobserved Heterogeneity

Table 5

Probability difference between different years based on the IAC model.

Prediction year; Base year	IAC
	2018			2019
	No injury	Minor injury	Severe injury	No injury	Minor injury	Severe injury
2017	0.0118	−0.0053	−0.0065	0.0056	−0.0029	−0.0027
2018	—	—	—	−0.0175	0.0089	0.0086