Table 3.

Models with various averages and standard deviations of vehicle speed.

Average Speed (km/h)	Standard Deviation (km/h)	Accuracy (%)	Sensitivity (%)	Specificity (%)	Predictive Value (%)
20	10	77.3	78	77	64
	15	78.7	68	81	40
	20	85.8	50	87	15
	25	92.9	0	93	0
	30	97.2	0	97	0
30	10	70.9	74	68	67
	15	78	81	76	64
	20	73	67	75	38
	25	87.1	82	88	36
	30	88.6	80	89	36
40	10	71.6	73	69	75
	15	72.3	75	71	65
	20	80.3	85	78	70
	25	76.6	70	78	43
	30	79.4	72	81	41
50	10	75.9	79	71	79
	15	70.9	73	68	74
	20	73.8	76	72	66
	25	79.4	82	78	68
	30	75.9	70	78	53