Research Article
On the Effects of Various Measures of Performance Selections on Simulation Model Calibration Performance
Table 5
Calibrated driving behavior parameters for validation site.
| | | average travel time | Average queue length | headway distribution | crossing conflict count | rear-end conflict count | Lane change conflict count | Headway& travel time |
| | Number of observed preceding vehicles | 4 | 2 | 2 | 2 | 2 | 2 | 3 | | average standstill distance | 2.2 | 1.80 | 2 | 2 | 1.80 | 2 | 1.9 | | additive part of desired safety distance | 3 | 2.9 | 3 | 3 | 2.65 | 3 | 3 | | multiple part of desired safety distance | 3 | 2.15 | 3 | 3 | 2.4 | 3 | 3 | | waiting time before diffusion | 60 | 40 | 60 | 60 | 60 | 60 | 60 | | Min headway (front/rear) | 1.5 | 1.64 | 1.64 | 1.64 | 1.64 | 1.6 | 1.55 | | Acceptable deceleration of trailing vehicle | -0.5 | -0.5 | -0.8 | -0.5 | -0.5 | -0.5 | -0.8 | | safety distance reduction factor | 0.7 | 0.6 | 0.6 | 0.6 | 0.6 | 0.9 | 0.80 | | minimum headway (priority rules) | 3.9 | 5 | 5 | 5 | 5 | 5 | 4.0 | | Minimum gap (priority rules) | 3 | 3 | 2.50 | 2.85 | 3 | 3 | 2.55 |
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indicates calibrated values. |
