Research Article
Cross-Comparison and Calibration of Two Microscopic Traffic Simulation Models for Complex Freeway Corridors with Dedicated Lanes
Table 2
Calibrated MOTUS parameters of the SR99 corridor.
| | Parameter/Symbol | Original values | Calibrated values |
| | Sensitivity to speed gain / vgain | 69.6 km/h | 54 km/h | | Car acceleration/ acar | 1.25 m/s2 | 1.25 m/s2 | | Truck acceleration/ atruck | 0.4 m/s2 | 0.8 m/s2 | | Free lane change criteria/ dfree | 0.365 | 0.25 | | Synchronized lane change criteria/ dsync | 0.577 | 0.5 | | Cooperative lane change criteria/ dcoop | 0.788 | 0.75 | | Maximum deceleration/ b | 2.09 m/s2 | 2.09 m/s2 | | Average maximum headway/Tmax | 1.2 s | 1.4 s | | Average minimum headway/Tmin | 0.56 s | 0.52 s | | Lane change desire per lane/ | 43 s | 52 s | | Averaged free-flow speed/ Vdes,car | 123.7 km/h | 125 km/h | | σcar | 12 km/h | 8.75 km/h |
| | Averaged free-flow speed/ Vdes,truck | 85 km/h | 85 km/h |
| | σtruck | 2.5 km/h | 2.5 km/h |
| | HOV bias/ dHOV | - | 0.45 | | SOV bias/ db | - | 0.5 | | Low desire-speed bias | - | 0.25 | | Local high desire-speed bias | - | 0.25 |
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