Optimization of a Semiflexible Demand-Responsive Feeder System in Suburban Areas Using a Memetic Algorithm

Table 8

Average passenger waiting, in-vehicle, and travel time for 2 or 4 lines.

		TFS solution			MA solution			Improvement
				p tt			p tt	p tt (%)
2 lines	30% empty stops	28.1	27.7	55.8	20.3	20.7	40.9	26.60
	50% empty stops	28.4	27.7	56.1	20.2	19.8	40	28.60
	70% empty stops	28.8	27.7	56.5	18.1	19	37.1	34.30
	Average	28.4	27.7	56.1	19.5	19.8	39.4	29.80
3 lines	30% empty stops	29.1	16.5	45.6	15.9	16.9	32.8	28.20
	50% empty stops	29.4	16.5	45.9	15.7	16.6	32.4	29.50
	70% empty stops	30.5	16.5	47	14.7	16.4	31	34.00
	Average	29.7	16.5	46.2	15.4	16.6	32.1	30.60
4 lines	30% empty stops	28.4	15.5	44	12.9	15.8	28.7	34.70
	50% empty stops	29.1	15.5	44.7	12.1	15.7	27.9	37.60
	70% empty stops	29.8	15.5	45.3	11.7	15.3	27	40.40
	Average	29.1	15.5	44.7	12.3	15.6	27.9	37.60