Requiring ignition interlocks for all offenders, including first-time offenders.Actively enforcing existing 0.08% BAC laws, minimum legal drinking age laws, and zero tolerance laws for drivers younger than 21 years old in all states.How can deaths and injuries from impaired driving be prevented? Substantial impairment in vehicle control, attention to driving task, and in necessary visual and auditory information processing.Vomiting may occur (unless this level is reached slowly or a person has developed a tolerance.Reduced ability to maintain lane position and brake appropriately.
Slurred speech, poor coordination, and slowed thinking.Clear deterioration of reaction time and control.Reduced information processing capability (e.g., signal detection, visual search).Judgment, self-control, reasoning, and memory are impaired.Muscle coordination becomes poor (e.g., balance, speech, vision, reaction time, and hearing).Reduced response to emergency driving situations.Reduced ability to track moving objects.May have loss of small-muscle control (e.g., focusing your eyes).Decline in ability to perform two tasks at the same time (divided attention).Decline in visual functions (rapid tracking of a moving target).Information in this table shows the blood alcohol concentration (BAC) level at which the effect usually is first observed. What are the effects of blood alcohol concentration (BAC)? These numbers were summed to obtain the annual national estimates (see ). Note: The annual estimated alcohol-impaired driving episodes were calculated using BRFSS respondents’ answers to this question: “During the past 30 days, how many times have you driven when you’ve had perhaps too much to drink?” Annual estimates per respondent were calculated by multiplying the reported episodes during the preceding 30 days by 12. Behavioral Risk Factor Surveillance System (BRFSS), 1993–2014. 4Īnnual Self-reported Alcohol-impaired Driving Episodes among U.S. Marijuana users were about 25% more likely to be involved in a crash than drivers with no evidence of marijuana use, however other factors–such as age and gender–may account for the increased crash risk among marijuana users.Marijuana use is increasing and 13% of nighttime, weekend drivers have marijuana in their system.Drugs other than alcohol (legal and illegal) are involved in about 16% of motor vehicle crashes.3 That’s one percent of the 111 million self-reported episodes of alcohol-impaired driving among U.S. In 2016, more than 1 million drivers were arrested for driving under the influence of alcohol or narcotics.Of the 1,233 traffic deaths among children ages 0 to 14 years in 2016, 214 (17%) involved an alcohol-impaired driver.In 2016, 10,497 people died in alcohol-impaired driving crashes, accounting for 28% of all traffic-related deaths in the United States.
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