Operational Efficiency Evaluation of Intersections with Dynamic Lane Assignment Using Field Data

Table 4

Multiple comparisons of the headway (Mann–Whitney test).

Intersection	Group 1-group 4			Group 2-group 4			Group 3-group 4
		value	Sig. (p)		value	Sig. (p)		value	Sig. (p)
1	0.828	−9.777	0.000	0.992	−0.011	0.991	0.944	−2.617	0.009
2	0.759	−10.654	0.000	0.987	−1.516	0.129	0.889	−7.422	0.000
3	0.736	−20.108	0.000	0.969	−0.988	0.323	0.871	−8.921	0.000
4	0.758	−11.801	0.000	0.985	−0.559	0.576	0.903	−3.179	0.001
5	0.780	−14.230	0.000	0.999	−1.534	0.125	0.901	−6.425	0.000
Average	0.771	−31.329	0.000	0.987	−0.537	0.591	0.902	−15.296	0.000

Note: , , , and refer to the saturation flow rate of group 1, group 2, group 3, and group 4, respectively.