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

Table 2

The fuzzy rules of decision module for the delay time of current green light phase.

𝑄𝑔	𝑄𝑟
	VS	S	M	L	VL
VS	VS	VS	VS	VS	VS
S	S	S	S	VS	VS
M	M	M	M	M	S
L	L	L	L	M	M
VL	VL	VL	L	L	L