Back to the bill

91st General Assembly · Funnel one-pager · Monday, November 9, 2026

HF 181: Prohibiting open containers of beverages containing tetrahydrocannabinol in the passenger area of motor vehicles on highways, and making penalties applicable

Signed into law

What it does

Under current law, the driver of a motor vehicle and passengers, other than passengers being transported in a motor vehicle designed, maintained, or used primarily for the transportation of persons for compensation, and passengers being transported in the living quarters of a motor home, motorsports recreational vehicle, manufactured or mobile home, travel trailer, or fifth-wheel travel trailer, are prohibited from possessing in the passenger area of the motor vehicle an open or unsealed bottle, can, jar, or other receptacle containing an alcoholic beverage while the vehicle is operated on a public street or highway.

Sponsors

Public Safety committee

Cost

No fiscal note

House subcommittee · named January 15, 2025

  • Rep. Zach Dieken (R) · zachary.dieken@legis.iowa.gov
  • Rep. Jerome Amos Jr. (D) · jerome.amosjr@legis.iowa.gov
  • Rep. Jason Gearhart (R) · jason.gearhart@legis.iowa.gov

Lobbying · 6 for, 0 against

For: Iowa Brewers Guild; Iowa Dept. of Public Safety; Iowa Mental Health Advocacy; Iowa Police Chief Association (FKA Iowa Police Executive Forum); State Police Officers Council; Wine Institute

In plain words

  1. January 15, 2025Filed in the House and sent to the Public Safety committee · as HSB 29
  2. January 15, 2025House subcommittee named: Dieken, Amos Jr. and Gearhart · as HSB 29
  3. January 23, 2025Subcommittee recommended passing it · as HSB 29
  4. January 29, 2025Approved by the House committee · as HSB 29
  5. January 29, 2025Committee vote: 23–0 · as HSB 29
  6. January 30, 2025Filed in the House
  7. January 30, 2025Approved by the House committee, and given a new number: HF 181 · as HSB 29
  8. March 10, 2025Passed the House, 86–1
  9. March 10, 2025Arrived in the Senate
  10. March 12, 2025Took the place of SF 392 on the Senate floor (the same legislation)
  11. March 12, 2025Passed the Senate, 48–0
  12. March 28, 2025Sent to the Governor
  13. March 28, 2025Signed into law

From public records at legis.iowa.gov, compiled by Funnel (iowafunnel.com), an independent, nonpartisan site. Current as of Monday, November 9, 2026. https://iowafunnel.com/bills/91/HF181