How Long Should You Wait?

After consuming cannabis, it's important to wait until the effects have subsided before getting behind the wheel. According to the National Highway Traffic Safety Administration (NHTSA), the typical onset of cannabis effects is about 30 minutes after smoking or 45 minutes after ingesting. However, these effects can last much longer, often up to 12 hours or more.

Factors Affecting Duration

The duration of cannabis's effects can vary widely among individuals and depend on several factors, including:

  • The amount of cannabis consumed
  • The potency of the cannabis
  • The method of consumption (smoking, eating, etc.)
  • The individual's tolerance and metabolism

Legal Implications

Even if you feel alert after consuming cannabis, you could still be at risk for a DUI charge if an officer detects the presence of THC in your system. It's always safest to avoid driving for at least 12 hours after consuming cannabis.