Effects of Highway Landscapes on Drivers’ Eye Movement Behavior and Emergency Reaction Time: A Driving Simulator Study

Table 2

Targets in five regions and percentage of drivers’ visual fixations in five regions in different highway landscapes.

Fixation regions	Enclosed	Semi-closed	Semi-open	Open
1	A,B(0.4)	B(1.9)	B(0.8)	B(4.6)
2	A,C,D,E(3.1)	A,C,D,E(4.3)	A,C,D,E(1.5)	A,B,C,D,E, M,N(11.2)
3	F,G,H(2.2)	F,G,H(3.6)	F,G,H(1.3)	F,G,H(10.8)
4	I,J,K(93.9)	I,J,K(85.7)	I,J,K(75.2)	I,J,K(57.5)
5	A,C,D,L(0.5)	A,C,D,L(4.5)	A,B,C,D,L,M,N(21.2)	A,B,C,D,L,M,N(15.9)

Note: in the table, 19 capital letters represent 19 targets, A: Trees, B: Sky, C: Traffic Signs, D: Shrubs, E: mileage piles, F: Opposite lane, G: Opposite Cars, H: Left shoulder, I: Driving lane, J: Front car, K: Dropped box, L: Right shoulder, M: Mountains, and N: Grass.