Effects of driver fatigue on his sense,judgement and operation behavior

To analyze the effects of driver fatigue on the driving safety,the sense,judgement and operation behavior of the driver were investigated by means of the experimental psychological test and the subjective fatigue investigation.The variation of driving behavior evaluation index at different fatigue degrees was analyzed and the threshold values of the index at different fatigue degrees were defined.The recommended maximum continuous driving time was proposed based on the driving behavior of driver to provide a reference for formulating or revising the regulation for the safe driving time of the automobile driver.