Acceleration and Deceleration Parameter Calibration of Tunnel Entrance Based on the Naturalistic Driving Test of Passenger Car

Table 1

Kruskal–Wallis H test results of the probability density distribution of acceleration and deceleration.

Zones	Acceleration (m/s^2)		Deceleration (m/s^2)		^1				^2				^3
	Mean	SD	Mean	SD	Zone 1	Zone 2	Zone 3	Zone 4	Zone 1	Zone 2	Zone 3	Zone 4
Zone 1	0.28	0.15	−0.41	0.25	1	0.66	0.65	0.48	1	0.001	<0.001	<0.001	<0.001
Zone 2	0.26	0.14	−0.43	0.26		1	0.35	0.24		1	<0.001	<0.001	<0.001
Zone 3	0.29	0.17	−0.33	0.2			1	0.75			1	<0.001	<0.001
Zone 4	0.3	0.17	−0.26	0.14				1				1	<0.001

¹ is the significance test indicator of the probability density distribution of acceleration between zones. ² is the significance test indicator of the probability density distribution of deceleration between zones. ³ is the significance test indicator of the probability density distribution of acceleration and deceleration.