Optimizing High-Speed Railroad Timetable with Passenger and Station Service Demands: A Case Study in the Wuhan-Guangzhou Corridor

Table 6

Comparison between the real train timetable and the optimized train timetable.

Parameters	Real Case	Optimal Case	Change	Percent Change (%)
Number of trains	107	107	0	0
Average travel speed (km/h)	223.4	234.1	10.7	4.8
Average number of stops	4.4	3.5	-0.9	-20.3
Average dwell time (min)	12.5	7.1	-5	-43.2
Overtaking	40	0	-40	-100.0
Max dwell time (min)	28	6	-22	-78.6
Total cost of trains	5902.5	3645.7	-2257	-38.2
Average cost of trains	55.2	34.1	-21	-38.2
UB	—	3645.7	—	—
LB	—	3576	—	—
Computation time (s)	—	199.0	—	—
Gap	—	1.9%	—	—