Table 9.

Average error rate for combinations of scoring functions under the congestion and light traffic conditions.

Combination of Scoring Functions	Congestion		Light Traffic
	Ave.	Std.	Ave.	Std.
I(NV) + S(dist, speed)	0.158	0.056	0.207	0.105
I(dist, NV) + S(speed)	0.090	0.066	0.166	0.097
I(NV, speed) + S(dist)	0.197	0.119	0.173	0.105
I(NV) + S(dist, speed)	0.148	0.100	0.086	0.065
I(speed) + S(dist, NV)	0.262	0.184	0.207	0.105
I(dist) + S(NV, speed)	0.107	0.045	0.090	0.061
S(dist, NV, speed)	0.206	0.172	0.090	0.061
I(dist, NV, speed)	0.051	0.061	0.089	0.061