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Cannabis DUI Laws
Understanding cannabis DUI laws across states. THC limits, testing methods, penalties, and your rights.
This guide covers how states define and penalize driving under the influence of cannabis, including THC limits and testing methods. Rules on this topic can differ sharply between states and change as legislatures act, so confirm the current law where you live before relying on it.
This overview is a starting point. See our state-by-state guide or find a cannabis lawyer for detail specific to your situation.