A Two-Stage Fuzzy Logic Control Method of Traffic Signal Based on Traffic Urgency Degree

Table 1

The fuzzy rules of evaluation module for red light phase urgency degree.

𝑄𝑟	𝑇𝑟
	VS	S	M	L	VL
VS	VS	VS	S	S	M
S	VS	S	S	M	M
M	M	S	M	M	B
L	B	M	M	B	VB
VL	B	M	B	VB	VB