Microscopic Traffic Simulation Calibration Level for Reliable Estimation of Vehicle Emissions

Table 5

Effect of calibration sequence on estimated emissions accuracy for calibration level L2.

Order	MOE	Performance measurement	Target range	Calibration level
				L2_v	L2_s	L2
1	Total volume	ER	±<5%	−7.10	0.43	0.10
2	15-min flow rate	RMSPE	<5	8.12	1.79	1.52
3	Avg SMS	ER	±<5%	1.01	6.79	0.52
4	15-min SMS	RMSPE	<5	3.17	8.32	1.99
5	O–D per link	GEH	<5	3.97	2.13	2.57
6	I/O per lane	RMSPE	<5	4.42	3.64	3.14
Avg accuracy of estimated emissions (%)				61.3	82.9	93.5

Cells with bold text: calibration achieved.