Microscopic Traffic Simulation Calibration Level for Reliable Estimation of Vehicle Emissions

Table 2

Calibration order, MOEs, performance measurements, and target ranges according to calibration level.

Order	MOE	Performance measurement	Target range	Calibration level
				L0	L1	L2	L3	L4	L4-pc
1	Total volume	ER	±<5%	−0.31 (−19 veh)	−0.03 (−2 veh)	0.10 (6 veh)	0.20 (12 veh)	0.25 (15 veh)	0.49 (30 veh)
2	15-min flow rate	RMSPE	<5	1.54	1.45	1.52	0.88	0.85	0.60
3	Avg SMS	ER	±<5%	3.69 (1.4 kph)	−2.62 (−1.0 kph)	0.52 (0.2 kph)	2.83 (1.1 kph)	0.85 (0.3 kph)	−0.05 (0.0 kph)
4	15-min SMS	RMSPE	<5	2.87	2.34	1.99	1.30	0.75	0.68
5	O–D per link	GEH	<5	max 10.82	4.99	4.00	2.93	3.29	2.75
				avg 4.98	4.02	2.57	1.29	1.30	1.15
				min 0.69	2.51	1.25	0.22	0.25	0.09
6	I/O per lane	RMSPE	<5	9.07	8.26	3.14	2.35	1.62	1.84
7	SMS per lane	RMSPE	<5	26.23	22.23	8.35	4.32	3.79	0.44
8	O–D per lane	GEH	<5	max 13.27	11.93	4.00	6.25	3.30	4.24
				avg 6.80	6.20	3.52	1.80	1.32	1.22
				min 0.24	0.29	0.24	0.1.	0.0	0.0

Cells with bold text: calibration achieved.