A New GNB Model of Crash Frequency for Freeway Sharp Horizontal Curve Based on Interactive Influence of Explanatory Variables

Table 4

AIC, BIC, and Pseudo R2 of 6 main models and their specific models.

Model	Explanatory Variable of	AIC	BIC	Pseudo-; R^2s
1	-	401.12	413.51	0.03
2.1		406.32	416.23	0.02
2.2	-	407.63	417.53	0.02
2.3	-	431.79	441.70	0.01
3	T	398.47	413.33	0.04
3	RT	400.33	417.68	0.04
3	LT	400.34	417.68	0.04
3	LTR	402.18	422.00	0.04
3	L	402.71	417.57	0.03
3	R	402.96	417.82	0.03
3	LR	404.38	421.72	0.03
4.1	T	409.23	421.61	0.02
4.1	R	409.34	421.73	0.02
4.1	L	409.61	422.00	0.01
4.1	RT	410.37	425.23	0.02
4.1	LT	411.19	426.05	0.01
4.1	LR	411.32	426.19	0.01
4.1	LTR	412.29	429.63	0.01
4.2	L	408.08	420.46	0.02
4.2	T	408.12	420.508	0.02
4.2	R	408.30	420.68	0.02
4.2	LT	410.04	424.91	0.02
4.2	LR	410.08	424.94	0.02
4.2	RT	410.10	424.96	0.02
4.2	LTR	412.04	429.38	0.01
4.3	T	402.32	414.71	0.04
4.3	R	402.49	414.87	0.04
4.3	L	402.55	414.94	0.05
4.3	RT	404.30	419.17	0.03
4.3	LT	404.32	419.18	0.03
4.3	LR	404.49	419.35	0.03
4.3	LTR	406.30	423.64	0.03
5	-	400.71	427.96	0.06
6	T	393.99	423.72	0.08
6	RT	395.49	427.70	0.08
6	LT	395.99	428.20	0.08
6	LTR	397.49	432.18	0.08
6	L	402.34	432.06	0.06
6	R	402.71	432.44	0.06
6	LR	404.22	436.43	0.06