An Improved Algebraic Method for Transit Signal Priority Scheme and Its Impact on Traffic Emission

Table 5

Case study: transit signal priority scheme based on improved algebraic method.

Intersection number		𝐴	𝐵	𝐶	𝐷	𝐸	𝐹	𝐺	𝐻
Split (%)		38	38	43	34	54	45	63	66
Scheme  1-our transit signal priority scheme	Offset (%)	48	125	120	57	36	119	105	27
	Circle length (s)	152	152	152	152	152	152	152	152
Scheme  2-real world scheme	Offset (%)	42	106	54	19	22	4	108	31
	Circle length (s)	120	160	130	130	146	73	146	146
Scheme  3-Hu’s transit signal priority scheme	Offset (%)	33	86	30	88	24	82	20	71
	Circle length (s)	106	106	106	106	106	106	106	106