Influence of Landscape Design on Driving Behavior Based on Slope Illusion

Table 1

Values of factor level.

Level	Factor
	Plant spacing (m)	Height (m)	Roadside distance	Color
Level 1	10	3	0.75	Appropriate
Level 2	4	1.5	0.5	Only green
Level 3	20	6	1.5	Colorful