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  1. How are marijuana and THC levels measured among drivers?

  2. Driving while stoned leads to more traffic accidents in a country …

  3. Is Driving High as Dangerous as Driving Drunk? - The New York Times

  4. More than half of people involved in road accidents had drugs or ... - CNN

  5. Over 40% of people using alcohol or cannabis drove under the influence ...

  6. Over half of car crash victims had drugs or alcohol in their ... - NPR

  7. Why It’s Hard to Stop Drivers Under the Influence of Marijuana in …

  8. Georgia lawmaker charged with driving under influence after …

  9. Parents of teen driver in crash that killed four people and himself ...

  10. Driving under the influence | AP News - Associated Press News