A Joint Modeling Analysis of Passengers’ Intercity Travel Destination and Mode Choices in Yangtze River Delta Megaregion of China

Table 5

Model estimation results by trip purpose.

Model variables	Trip purpose
	Work-related		Personal		All
	Coeff.	-test	Coeff.	-test	Coeff.	-test
Mode choice model
Constant in auto utility	−1.4589	−2.27	−1.4134	−3.63	0.6343	2.67
Travel time (min)	−0.0114	−2.70	−0.0097	−3.18	−0.0100	−4.27
Being female in auto utility	−0.7871	−2.31	—	—	—	—
Owning private car in auto utility	1.1053	3.79	1.1135	5.80	—	—
Being licensed in auto utility	0.7177	1.99	1.3036	6.53	—	—
Constant in high-speed rail utility	−2.3757	−3.44	−2.2705	−5.32	−1.4146	−4.93
Constant in regular rail utility	−3.3961	−4.84	−2.2973	−5.67	−1.8130	−6.46
Bus fare (Yuan) in bus utility	−0.0201	−2.41	−0.0150	−2.51	−0.0144	−3.33
Household annual income (thousand Yuan) in bus utility	−0.0117	−3.06	−0.0120	−3.68	—	—
Destination choice model
(the nesting coefficient)	0.4286	3.95	0.8969	9.27	0.7889	11.06
GDP per capita (×10^4 Yuan)	0.1706	5.04	—	—	0.0704	2.27
City area (km^2)	0.00013	9.04	0.00013	12.14	0.00013	13.82
The number of 5A tourist attractions	—	—	0.2146	7.71	0.1153	2.82
Employment in the service sector/total employment	5.3882	5.31	6.0637	7.91	5.5128	8.75
City population density (×10^4 persons/km^2)	7.4286	8.85	3.9607	6.26	5.4991	9.97