A Simultaneous Solution for Reserve Capacity Maximization and Delay Minimization Problems in Signalized Road Networks

Table 8

Evaluation of the changes of and for different values.

Objective weighting factor	O-D demand multiplier	Network Performance index	Change (%)		Cumulative change (%)		Cumulative change rate
0.00	1.000	7.02	1.91	2.25	1.91	2.25	1.18
0.10	1.019	7.18	1.95	2.20	3.86	4.45	1.15
0.20	1.039	7.34	1.87	2.30	5.73	6.75	1.18
0.30	1.058	7.50	1.91	2.15	7.64	8.90	1.16
0.40	1.079	7.67	3.86	5.59	11.50	14.48	1.26
0.50	1.120	8.09	4.01	20.64	15.51	35.13	2.26
0.60	1.165	9.76	8.46	25.95	23.97	61.08	2.55
0.70	1.264	12.30	9.17	26.54	33.14	87.62	2.64
0.80	1.380	15.56	16.47	118.31	49.60	205.93	4.15
0.90	1.607	33.98	33.00	194.21	82.60	400.15	4.84
1.00	2.137	99.96