The Longitudinal Driving Behavior of a Vehicle Assisted with Lv2 Driving Automation: An Empirical Study

Table 10

Estimated parameters from Wiedemann 99 car-following model for Lv2 AVs.

Parameters (unit)	Mean	Median	Std. Dev.	5%	95%
Parameters estimated by calibration
CC1	1.48	1.46	0.40	0.97	2.07
CC3	6.73	6.26	2.78	11.59	3.73
CC4	0.16	0.08	0.21	0.56	0.01
CC5	0.17	0.15	0.07	0.11	0.29
CC7	0.13	0.12	0.10	0.03	0.29
VDES	98.85	99.29	7.60	88.89	112.11
Parameters individually estimated based on physical meaning
CC9	1.03	0.97	0.38	0.63	1.84