Optimal Signal Control Design for Isolated Intersections Using Sample Travel-Time Data

Table 4

Percent comparison of relative to Webster’s design across different random seed values.

Random seed values	Cycle 1	Cycle 2	Cycle 3	Cycle 4	Cycle 5
Percent reduction in total intersection delay (%)
	12.78	3.17	6.90	12.69	0.56
	7.65	3.28	14.82	6.67	6.11
	7.79	6.97	14.99	2.84	3.72
	10.63	6.60	13.82	12.78	3.13
Average	9.71	5.00	12.63	8.75	3.38
Standard deviation	2.46	2.06	3.86	4.87	2.28
Percent reduction in total queue length (%)
	11.97	2.74	6.18	9.84	0.63
	7.39	2.30	14.56	6.25	5.66
	6.91	5.25	2.39	1.67	2.19
	10.28	6.22	9.45	11.76	2.17
Average	9.14	4.13	8.14	7.38	2.66
Standard deviation	2.40	1.91	5.16	4.44	2.13