Traffic Allocation Mode of PPP Highway Project: A Risk Management Approach

Table 7

Regression coefficient.

The dependent variable	The independent variables	Unstandardized coefficients		Standardized coefficients	t	Siginificance
		B	Standard error	Trial version
Time cost coefficient	(Constant)	2.059	0.068	—	30.356	0.000
	Road condition	−0.173	0.016	−0.639	−10.564	0.000
	Congestion condition	−0.169	0.013	−0.759	−12.560	0.000
Charging impedance coefficient	(Constant)	1.955	0.082	—	23.888	0.000
	Road condition	−0.109	0.020	−0.413	−5.322	0.000
	Congestion condition	−0.065	0.015	−0.302	−4.230	0.000
	Income level	−0.056	0.016	−0.251	−3.446	0.002
	Years of use	−0.049	0.010	−0.430	−5.031	0.000
Comfort coefficient	(Constant)	−0.076	0.037	—	−2.071	0.046
	Road condition	0.171	0.009	0.636	19.154	0.000
	Congestion condition	0.180	0.007	0.821	24.729	0.000