An Optimization Method for the Train Service Network Design Problem

Table 9

Composition of the objective function of each case.

	The optimized model	Comparative case	Reduced value	% Reduced
Total shuttle train service number	39	62	23	37.1%
Total direct train service number (including shuttle train service)	163	189	26	13.8%
Total local train service number	62	62	0	0.0%
Accumulation costs (car-hour)	145269	163635	18366	11.2%
Classification costs (car-hour)	18041	17235	−806	−4.7%
Train operation costs (car-hour)	459991	457930	−2061	−0.5%
Train travel costs (car-hour)	37331	37195	−136	−0.4%
Total costs (car-hour)	660632	675995	15363	2.3%