Calibration of Microscopic Traffic Flow Simulation Models considering Subsets of Links and Parameters

Table 5

Calibration results when all global parameters and mean queue discharge headway were selected.

Percentage of links selected for calibration	NRMS	Individual link flows			Relative difference between total actual and simulated counts	GEH statistic for individual link flows
		<700 veh/hr	700 to 2700 veh/hr	>2700 veh/hr
For the Reno network
100	0.0872	100	100	N/A	2.7	<5 for 100%
90	0.0970	100	100	N/A	5.2	<5 for 93%
80	0.0976	100	100	N/A	4	<5 for 97%
70	0.0897	100	100	N/A	3.9	<5 for 100%
60	0.0916	100	100	N/A	5	<5 for 100%
50	0.1037	100	100	N/A	5.9	<5 for 93%
For the McTrans model
100	0.0860	94.1	100	N/A	1.3	<5 for 95%
90	0.0588	100	100	N/A	0.6	<5 for 100%
80	0.0980	94.4	100	N/A	0.9	<5 for 95%
70	0.1279	88.9	100	N/A	2.2	<5 for 95%
60	0.1257	94.1	100	N/A	2.7	<5 for 95%
50	0.1737	77.8	100	N/A	5.5	<5 for 80%