Research Article
The Longitudinal Driving Behavior of a Vehicle Assisted with Lv2 Driving Automation: An Empirical Study
Table 2
Following variation (CC2) and threshold for entering “following” (CC3) regime from the Wiedemann 99 model.
| Vehicle capability | CC2 (m) | CC3 (s) | Source |
| ACC | 2.0 | 8 | Goodall and Lan [14] |
| CACC | 0.0 | 40 | Zeidler et al. [25] | dCACC | 0.0 | 40 |
| AV cautious | 0.0 | 10 | Sukennik et al. [16] | AV normal | 0.0 | 8 | All knowing | 0.0 | 6 |
| ACC | 3.0 | 12 | Rossen [26] | CACC | 2.0 | 12 |
| ACC aggressive | 2.0 | 8 | Bierstedt et al. [23] | ACC intermediate | 3.0 | 12 | ACC conservative | 4.0 | 16 |
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