Study on the Optimization of Hub-and-Spoke Logistics Network regarding Traffic Congestion

Table 8

Impact of congestion function parameter on model results.

	Model	Hub flow				Hub	Imbalance ratio	Total cost
		H1	H2	H3	H4
1	CFWM	4277	4303.8	4327.6	4377	2, 5, 8, 14	1.02	19482323.2
	CFRM	2827.4	1139	4379.6	7571.4	2, 5, 17, 19	6.65	16811307.7
1.3	CFWM	4919.4	5058	2093	4912.4	2, 6, 10, 14	2.42	19113661.4
	CFRM	2042.6	7587	2782.8	3672.2	2, 4, 6, 19	3.71	17468154.6
2	CFWM	4814.8	4396.2	2868.2	5037.2	6, 8, 10, 14	1.76	19043273.1
	CFRM	2442.6	2800.6	6718	4905.8	2, 4, 6, 10	2.75	19374806.1