Development of Urban Road Network Traffic State Dynamic Estimation Method

Table 4

Error analysis.

Item	Mean error (Km/h)	Mean absolute error (Km/h)	Mean percentage error	Mean absolute percentage error	Root absolute error (Km/h)
Speed average method	−3.40	6.39	−0.10	0.19	15.84
Method in this paper	1.37	4.21	0.05	0.13	7.58