Modeling Crossing Conflicts at Unsignalized T-Intersections under Heterogeneous Traffic Conditions

Table 4

Model summary.

Type of model	Variables	Coefficients	Standard error	value
Critical conflict model	Intercept	4.738	0.919	≤0.001
	[off-peak]	-0.130	0.013	≤0.001
	[peak]	0^a
	[with Central Island]	-0.084	0.038	≤0.005
	[without Central Island]	0^a
	2w C	0.012	0.010	≤0.005
	3w C	0.014	0.008	≤0.010
	Car C	0.017	0.007	≤0.005
	2w O	-0.009	0.006	≤0.010
	3w O	-0.005	0.007	≤0.005
	Car O	-0.009	0.007	≤0.010
	CV	0.000065	0.001	≤0.001
	OV	0.001	0.007	≤0.001
	(scale)	0.802
	P	1.5
	QIC	203.93
Noncritical conflict model	Intercept	8.828	0.565	≤0.001
	[off-peak]	-0.081	0.031	≤0.001
	[peak]	0^a
	[with Central Island]	-0.143	0.020	≤0.001
	[without Central Island]	0^a
	2w C	-0.043	0.007	≤0.001
	3w C	-0.042	0.007	≤0.001
	Car C	-0.040	0.009	≤0.001
	2w O	0.008	0.003	≤0.001
	3w O	0.004	0.005	≤0.010
	Car O	0.012	0.004	≤0.005
	CV	-0.000085	0.007	≤0.001
	OV	0.001	0.004	≤0.001
	(scale)	0.651
	P	1.5
	QIC	156.13

Note: Off-peak/ of the day (hours), with/without Central geometry, volume (vehicle/hr), volume (vehicle/hr), criterion, and to zero because this parameter is redundant.