Table 7: Difference significance for the indicators of drivers’ visual characteristics.

No.IndexGeneral stateCongested stateSig.
AverageStd.AverageStd.

1Fixation duration 2992052712290.000
2Average saccade speed 12269146810.019
3Average saccade acceleration 87045958912965100.553
4Blink duration 21297202940.023
5Blink rate 0.250.050.220.050.006