Impact of Alcohol Intake on Driving Ability

Driver's driving ability will change because of alcohol effect after drinking,often creating bad impact on traffic safety.This paper divided driver's driving ability into perception ability,judgment ability and operation ability.The driver's perception ability under alcohol effect was analyzed through two indicators of depth perception and speed perception.The driver's judgment ability under alcohol effect was analyzed through two indicators of selecting reaction time and attention distribution ability.The driver's operation ability under alcohol effect was analyzed through two indicators of the number of correct reactions to light and the error number of operations on action judgment.The regression models of various driving ability indicators and the alcohol content in driver's body were established,and the duration of alcohol impact on driving ability was analyzed,thus revealing the variation of the driving ability under alcohol effect.