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
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
References and abstracts from MEDLINE/PubMed (National Library of Medicine)