Research Article
Safety Effects of Connected and Automated Vehicle-Based Variable Speed Limit Control near Freeway Bottlenecks considering Driver’s Heterogeneity
Table 1
Parameter settings of simulation experiments.
| | Parameters | Meaning | Value | | HDV | CAV |
| | (m) | Sight distance | 100 | 100, (500, 900) | | (m/s2) | Desired deceleration | 2 | 2 | | (s) | Perception reaction time | 1 | 0 | | (m) | Average vehicle length | 5 | 5 | | (m/s2) | Maximum acceleration | 1 | 1 | | (km/h) | Desired speed | 120 | 120 | | (m) | Minimum gap distance at standstill | 0 | 0 | | (s) | Safe time gap | 1.1–1.6 | 0.6, 0.7, 0.9, 1.1 (57%, 24%, 7%, 12%) | | (s) | Data aggregation interval | 30 | 30 | | (s) | Simulation time step | 0.1 | 0.1 |
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