Study on Driver Behavior Pattern in Merging Area under Naturalistic Driving Conditions

Table 1

Accuracy of traffic flow detection.

Congestion level	Car		Bus		Truck		Traffic flow accuracy (%)
	Actual	Testing	Actual	Testing	Actual	Testing
Very smooth	68	68	1	1	0	0	100
	43	43	2	2	2	2	100
Unobstructed	99	99	6	3	0	3	100
	86	86	1	2	2	1	100
Mild congestion	144	143	3	2	3	3	98.67
	112	110	2	1	0	0	96.90
Moderate congestion	125	121	2	1	2	3	96.90
	110	106	1	0	0	1	96.36
Heavy congestion	54	50	2	1	1	1	91.23
	43	38	4	3	0	1	89.36