A Simulation-Based Dynamic Programming Method for Interchange Scheduling of Port Collecting and Distributing Network

Table 7

Comparative analysis of results of two methods.

Vehicle Type	Traditional method					A Simulation-based DP Method
	Average delay time(s)				Total delay time(s)	Average delay time(s)				Total delay time(s)
	1#	2#	3#	4#		1#	2#	3#	4#
Urban Vehicles	33.4	19.9	31.7	39.2	1923635.7	16.4	19.7	11.6	19.1	1385990.4
Drayage Trucks	21.6	22.4	34.9	32.7	2137629.9	18.9	33.2	15.7	13.4	1096014.4
All Vehicles	30.9	21.5	33.7	36.5	——	17.3	26.9	13.6	14.7	——