Starting in 2026, some U.S. states will exempt drivers from DUI charges if they test positive for cannabis but show no impairment.

Starting in 2026, drivers in several U.S. states may be exempt from DUI charges if they test positive for cannabis but show no signs of impairment, as new laws focus on actual driving ability rather than mere presence of THC. The policy shift aims to address concerns over unfair prosecutions and align enforcement with scientific evidence on cannabis effects.