Analysis on the Synergy Evolutionary Development of the Collecting, Distributing, and Transporting System of Railway Heavy Haul Transportation

Table 1

The previous data of the collecting, distributing, and transporting system.

Year	Collecting system				Transporting system					Distributing system
	Market share of Daqin Railway’s coal transportation (%)	Loading spots	10,000-ton loading spots	20,000-ton loading spots	10,000-ton freight train per day	20,000-ton freight train per day	Train density	Daily average volume (million ton)	Max. daily volume (million ton)	Unloading spots	Use ratio of port (%)	Use ratio of unloading station (%)
2006	92.10	91	34	11	69.4	6.4	72	69.5	79.1	3	78.70	48.87
2007	90.20	116	42	11	60.1	22.4	83.2	83.23	99.87	4	82.23	49.68
2008	90.10	118	42	12	55.6	29.8	85.8	93.2	105	4	94.07	60.35
2009	90.20	129	43	14	40.9	36.5	90	90.5	111.35	5	83.43	48.81
2010	90.67	147	44	16	34.8	48.7	88.3	110.97	122.03	5	97.96	70.21
2011	90.98	147	44	16	35.5	59.6	97	120.6	129.9	5	114.49	82.48