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

Table 13

Comparison of results between the proposed model and field survey.

Intersection	Lane	Proposed adjustment model						Field survey	Percentage of difference
		1	Group 1	0.937	—	0.935	0.971			0.851	—	0.828	2.74%
2	0.890	—		0.888	0.948	0.749	—	0.759	−1.29%
3	0.903	—		0.882	0.945	0.753	—	0.736	2.26%
4	0.925	—		0.879	0.945	0.768	—	0.758	1.37%
5	0.870	—		0.879	0.946	0.723	—	0.780	−7.25%
1	Group 3	—	0.948	—	—	—	0.948	0.944	0.42%
2		—	0.907	—	—	—	0.907	0.889	2.02%
3		—	0.901	—	—	—	0.901	0.871	3.44%
4		—	0.899	—	—	—	0.899	0.903	−0.44%
5		—	0.899	—	—	—	0.899	0.901	−0.22%

Note: group 1 and 3 are the variable lane and the adjacent lane with different lane-use (see Figure 3).