Impact of Guideline Markings on Saturation Flow Rate at Signalized Intersections

Table 9

Degree of interference for left-turns.

Number of lanes	Turning angle	Guidelines	Degree of interference	Ratio of interference
2	Acute angle	With	0.24	0.549
		without	0.439
3	Acute angle	With	/	/
		without	0.389
2	Right angle	With	0.174	0.511
		without	0.341
3	Right angle	With	/	/
		without	/
2	Obtuse angle	With	0.153	0.484
		without	0.316
3	Obtuse angle	With	0.24	0.504
		without	0.476

/ means that the value is unavailable owing to the lack of surveyed data.