Research Article
Estimation of Saturation Flow Rates at Signalized Intersections
Table 1
Statistical results for the queue discharge headways.
| Code of | Sample size | Average | Median | Stand error | Skewness | Kurtosis | surveyed site |
| 1 | 96 | 1.95 | 1.88 | 0.52 | 0.66 |
0.88
| 2 | 95 | 2.36 | 2.28 | 0.55 | 0.61 |
1.22
| 3 | 75 | 2.30 | 2.23 | 0.49 | 0.43 | −0.10 | 4 | 89 | 2.22 | 2.14 | 0.37 | 0.88 |
1.09
| 5 | 93 | 2.19 | 2.03 | 0.43 | 0.97 |
1.21
| 6 | 94 | 2.08 | 1.98 | 0.47 | 0.43 | −0.34 | 7 | 93 | 2.21 | 2.09 | 0.44 | 0.35 | −0.39 | 8 | 91 | 2.04 | 2.00 | 0.43 | 0.81 |
1.11
| 9 | 100 | 2.31 | 2.30 | 0.45 | 0.02 | −0.75 | 10 | 99 | 2.18 | 2.16 | 0.46 | 0.07 | −0.73 | 11 | 98 | 2.11 | 2.07 | 0.42 | 0.02 | −0.20 |
|
|