The Method of Dynamic Identification of the Maximum Speed Limit of Expressway Based on Electronic Toll Collection Data

Table 7

Confusion matrix.

Real class
Speed-limiting class (km/h)	80	100	110	120	Accuracy rate (%)
80	824	0	0	0	100
100	6	759	47	12	92.1
110	0	12	807	5	97.9
120	0	1	0	822	99.9
Accuracy rate	99.3%	98.3%	94.5%	98.0%	97.5
Forecast result