Route Identification Method for On-Ramp Traffic at Adjacent Intersections of Expressway Entrance

Table 4

Significance testing of interval duration in different groups.

Time period	Feature factor	Df	F-value	Significance
1 (00:00–06:00)	DTW	2	281.69	2.9700e-46
	Traffic volume	2	57.96	2.2087e-18
	Distance	2	14.31	2.6372e-06
2 (06:00–09:00)	DTW	2	113.08	7.5765e-29
	Traffic volume	2	94.95	7.1087e-26
	Distance	2	10.28	7.2876e-05
3 (09:00–16:00)	DTW	2	17144	4.9083e-36
	Traffic volume	2	128.53	1.1657e-30
	Distance	2	257.91	2.2827e-47
4 (16:00–19:00)	DTW	2	296.52	2.2827e-47
	Traffic volume	2	186.14	1.1925e-37
	Distance	2	14.69	1.9370e-06
5 (19:00–24:00)	DTW	2	369.55	2.9387e-52
	Traffic volume	2	278.19	5.5307e-46
	Distance	2	3.61	0.0301

Note: Df means degree of freedom, F means the difference among different groups, Significance means the significance level.