Vehicle Laws - Cannabis Use in Motor Vehicle With Minor Occupant - Prohibition

HB 544 prohibits smoking, vaping, or consuming cannabis in the passenger area of a motor vehicle when a minor (under 18) is present. This applies to all occupants, including drivers and passengers, and creates a new misdemeanor offense for violations. Penalties include up to one year in jail, a $1,000 fine, or both. The bill, introduced in January 2026, will take effect on October 1, 2026.