All Roll Calls
Yes: 134 • No: 1
IowaHF 18191st General Assembly (2025–2026)House
A bill for an act prohibiting open containers of beverages containing tetrahydrocannabinol in the passenger area of motor vehicles on highways, and making penalties applicable. (Formerly HSB 29.) Effective date: 07/01/2025.
Sponsored By: COMMITTEE ON PUBLIC SAFETY
Signed by Governor
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Bill Overview
Analyzed Economic Effects
2 provisions identified: 1 benefits, 1 costs, 0 mixed.
Underage alcohol penalties exclude THC-only possession
Beginning July 1, 2025, the underage alcohol penalty tied to Iowa's vehicle open-container rules applies only to alcohol possession. A person under 21 does not trigger that specific penalty by possessing a THC drink alone. This does not exempt THC drinks from the vehicle open-container ban.
Open THC drinks restricted inside vehicles
Beginning July 1, 2025, Iowa's vehicle open-container ban covers drinks containing any amount of THC, alongside alcohol. Drivers and passengers on public streets or highways cannot possess open or unsealed drinks in the passenger area. This includes seating areas, the glove compartment, and places reachable from a seat. Otherwise lawful drinks remain allowed in the trunk, or behind the last upright seat if there is no trunk. Violations carry a simple misdemeanor penalty handled as a scheduled violation.
Sponsors & Cosponsors
Sponsor
COMMITTEE ON PUBLIC SAFETY
Affiliation unavailable
Cosponsors
There are no cosponsors for this bill.
Roll Call Votes
Senate vote • 3/12/2025
Passed Senate
Yes: 48 • No: 0
House vote • 3/10/2025
Passed House
Yes: 86 • No: 1
Actions Timeline
Signed by Governor.
3/28/2025HouseReported correctly enrolled, signed by Speaker and President, and sent to Governor.
3/28/2025HouseExplanation of vote.
3/18/2025HouseMessage from Senate.
3/12/2025HouseImmediate message.
3/12/2025SenatePassed Senate, yeas 48, nays 0.
3/12/2025SenateSubstituted for SF 392.
3/12/2025SenateRead first time, attached to SF 392.
3/10/2025SenateMessage from House.
3/10/2025SenateImmediate message.
3/10/2025HousePassed House, yeas 86, nays 1.
3/10/2025HouseIntroduced, placed on calendar.
1/30/2025House
Bill Text
As Introduced
Enrolled
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