Research Article
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) | | | | | | |
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N.R.S. denotes number of raw samples. |