Exploring the Impact of Rainfall on Vehicle Trajectory Patterns and Sideslip Risk: An Empirical Investigation

Table 4

Distribution of trajectory patterns across vehicle types and weather conditions (%).

Type	Weather	I-S	I-I	I-L	S-S	S-I	S-L	O-S	O-I	O-L
Car	Clear (n = 865)	0.578	2.890	1.156	3.468	68.786	13.295	0.578	5.202	4.046
	Rainy (n = 921)	0.869	4.560	0.977	3.257	54.289	12.595	0.869	17.481	5.103
Change		+0.291	+1.670	−0.179	−0.211	−14.497	−0.700	+0.291	+12.279	+1.057
Truck	Clear (n = 105)	0.000	4.762	4.762	0.000	61.905	19.048	0.000	4.762	4.762
	Rainy (n = 100)	0.000	2.000	0.000	2.000	55.000	20.000	1.000	11.000	9.000
Change		0.000	−2.762	−4.762	+2.000	−6.905	+0.952	+1.000	+6.238	+4.238

Note. n is the number of vehicles. Other values are in percent. The data in bold mean that the change value is greater than 4%.