Research on Key Technology of Signal Control Subarea Partition Based on Correlation Degree Analysis

Table 3

Comparison of three subarea partition scheme.

Subarea partitioning scheme	Number of subzones	Subarea contains intersections
SYNCHRO subarea division scheme 1	1	A
	2	BCDEFG
	3	H
Chang’s 0.35 correlation degree subdivision scheme II	1	A
	2	B
	3	CDEFG
	4	H
The 0.20 correlation degree subarea division scheme proposed in this paper	1	ABCDEFGH