Traffic Signal Synchronization in the Saturated High-Density Grid Road Network

Table 1

Overall evaluation of the application of three control models in the HGRN [27].

Evaluation indexes	Signal control methods	1200 veh/h	1400 veh/h	1600 veh/h
Total number of vehicles; (veh)	Fixed-time signal control	19956	23054	24517
	Distributed adaptive signal control	20247	22718	25443
	LGLR signal control	20256	23507	26604
Total travel distance; (km)	Fixed-time signal control	34046.03	39290.68	41697.06
	Distributed adaptive signal control	34566.26	38660.45	43258.30
	LGLR signal control	34586.78	40115.42	45379.62
Average travel time; (sec)	Fixed-time signal control	255.58	279.29	375.69
	Distributed adaptive signal control	221.49	295.08	368.92
	LGLR signal control	226.68	235.45	259.37
Average travel speed; (km/h)	Fixed-time signal control	24.03	21.97	16.29
	Distributed adaptive signal control	27.74	20.76	16.59
	LGLR signal control	27.12	26.10	23.68
Average delay; (sec)	Fixed-time signal control	138.52	162.35	259.18
	Distributed adaptive signal control	104.37	178.39	252.46
	LGLR signal control	109.37	118.10	142.02