Impact of Guideline Markings on Saturation Flow Rate at Signalized Intersections

Table 2

Surveyed data.

Movement	Number of lanes	Offset/Turning angle	Guidelines	Surveyed hours	Useful cycles	Useful vehicles
Through	One	Small offset	Without	1	11	214
Through	One	Small offset	With	1	11	214
Through	One	Medium offset	Without	1	11	282
Through	One	Medium offset	With	1	18	177
Through	One	Large offset	Without	1	11	114
Through	One	Large offset	With	1	18	177
Through	Two	Small offset	Without	1	24	633
Through	Two	Small offset	With	1	9	161
Through	Two	Medium offset	Without	1	9	232
Through	Two	Medium offset	With	1	10	91
Through	Two	Large offset	Without	1	13	364
Through	Two	Large offset	With	1	8	217
Through	Three	Small offset	Without	1	8	659
Through	Three	Small offset	With	1	7	378
Through	Three	Medium offset	Without	1	11	296
Through	Three	Medium offset	With	1	8	458
Through	Three	Large offset	Without	1	7	195
Through	Three	Large offset	With	1	8	400
Left-turn	One	Acute angle	Without	1	19	133
Left-turn	One	Acute angle	With	1	16	83
Left-turn	One	Right angle	Without	1	13	252
Left-turn	One	Right angle	With	1	7	94
Left-turn	One	Obtuse angle	Without	1	8	76
Left-turn	One	Obtuse angle	With	1	16	180
Left-turn	Two	Acute angle	Without	1	13	240
Left-turn	Two	Acute angle	With	1	8	158
Left-turn	Two	Right angle	Without	1	10	206
Left-turn	Two	Right angle	With	1	7	251
Left-turn	Two	Obtuse angle	Without	1	15	163
Left-turn	Two	Obtuse angle	With	1	12	569
Left-turn	Three	Acute angle	Without	1	10	479
Left-turn	Three	Obtuse angle	Without	1	15	671
Left-turn	Three	Obtuse angle	With	1	7	233
Sum				33	378	9050