Automatic Estimation Method for Intersection Saturation Flow Rate Based on Video Detector Data

Table 7

SFR estimations of lane 2 under different data durations.

Data duration (min)	30	60	90	120	150	180
N.R.S.	166	399	644	855	1054	1247
T.N.I.	3	4	4	5	6	6
N.S.	99	197	315	335	338	392
Final DF statistic	-1.47	-1.52	-1.92	-1.82	-1.75	-1.83
Mean value of SH(s)	2.276s	1.977s	1.924s	1.838s	1.788s	1.790s
Median of SH (s)	2.285s	2.040s	1.921s	1.880s	1.800s	1.801s
Mode of SH (s)	2.400s	2.400s	1.796s	1.796s	1.796s	1.796s
S.D. of SH (s)	0.459s	0.354s	0.324s	0.280	0.246	0.251
Limit error of SH (s)	0.091	0.049	0.036	0.030	0.027	0.025
I.E. of SH (s)

N.R.S. denotes number of raw samples.