Real-Time Evaluation Method of Vehicle Conflict Risk on Urban Expressway Based on Smartphone GPS Data

Table 4

Proportion of each index of closed curve section.

	(E21)	(E22)	(E23)
Test1	0.981896	0.007565	0.010540
Test2	0.981334	0.008788	0.009878
Test3	0.989590	0.003964	0.006446
Result	0.984273	0.006772	0.008955
RMSE	0.003766	0.002049	0.001794