Impact of Automated Truck Platooning on the Performance of Freeway Mixed Traffic Flow

Table 3

Platooning implementation parameters [30].

Division	Code	VISSIM default	Automated vehicle (SAE level 4)
Spacing	Standstill distance (CC0)	1.50 m	0.5 m
	Headway time (CC1)	0.90 s	0.6 s
	Following variation (CC2)	4.00 m	0 m
Speed	Threshold for entering following (CC3)	−8.00 s	0 s
	Negative following threshold (CC4)	0.41 km/h	0 km/h
	Positive following threshold (CC5)	0.41 km/h	0 km/h
Acceleration	Speed dependency of oscillation (CC6)	11.44	0
	Oscillation acceleration (CC7)	0.25 m/s^2	0.4 m/s^2
	Standstill acceleration (CC8)	3.50 m/s^2	3.8 m/s^2
Lane change	Min. headway	0.5 m	0.2 m
	Safety distance reduction factor	0.6	0.3
Priority rule	Min. time gap	3 s	2.4 s
	Min. headway	5 m	3.5 m
Others	Acceleration with 80 km/h (CC9)	1.50 m/s^2	1.8 m/s^2
	Look-ahead distance observed vehicles	2 vehicles	10 vehicles
	Smooth closeup behavior	No	Yes