Basics
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Summary
Impaired driving is dangerous. It's the cause of more than half of all car crashes. It means operating a motor vehicle while you are affected by:
- Alcohol
- Legal or illegal drugs
- Sleepiness
- Distractions, such as using a cell phone or texting
- Having a medical condition which affects your driving
For your safety and the safety of others, do not drive while impaired. Have someone else drive you or take public transportation when you cannot drive. If you need to take a call or send a text message, pull over.
National Highway Traffic Safety Administration
Diagnosis and Tests
- Blood Alcohol Level (National Library of Medicine) Also in Spanish
Specifics
- Distracted Driving (Centers for Disease Control and Prevention)
- Driving after Stroke (American Stroke Association)
- Driving When You Have Cataracts (National Highway Traffic Safety Administration) - PDF
- Drugged Driving (National Institute on Drug Abuse) Also in Spanish
- Some Medicines and Driving Don't Mix (Food and Drug Administration) Also in Spanish
Statistics and Research
- Alcohol-Impaired Driving (National Highway Traffic Safety Administration) - PDF
- Driver Electronic Device Use in 2021 (National Highway Traffic Safety Administration) - PDF
- Impaired Driving Facts (Centers for Disease Control and Prevention)
- State Alcohol-Impaired-Driving Estimates (National Highway Traffic Safety Administration) - PDF
Clinical Trials
- ClinicalTrials.gov: Driving Under the Influence (National Institutes of Health)
Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)
- Article: How do perceptions of procedural justice, police legitimacy, and legitimacy of...
- Article: The relationship between clinical impairment and blood drug concentration: Comparison between...
- Article: A randomized trial of behavioral interventions yielding sustained reductions in distracted...
- Impaired Driving -- see more articles
Find an Expert
Teenagers
- On the road (Department of Health and Human Services, Office on Women's Health)
Older Adults
- Driving Safety and Alzheimer's Disease (National Institute on Aging)
- How Do You Know When It's Time to Give up the Keys? (Administration for Community Living) - PDF
- Safe Driving for Older Adults (National Institute on Aging) Also in Spanish
Patient Handouts
- Breath alcohol test (Medical Encyclopedia) Also in Spanish
- Dementia and driving (Medical Encyclopedia) Also in Spanish