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Missouri House Bill 2191 Mandates Ignition Interlock Devices for First-Time Intoxication-Related Traffic Offenses

Original title: IGNITION INTERLOCK DEVICES

Last action · May 15, 2026: Referred: Emerging Issues(H)Sponsor: Bruce Sassmann

Introduced
Committee
Floor Vote
Passed
Law

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What This Bill Would Do

Missouri House Bill 2191 requires courts to mandate the use of a certified for any person found guilty of an intoxication-related traffic offense, removing language that previously limited the mandatory requirement to second or subsequent offenses.

Why it matters

Drivers convicted of a first intoxication-related traffic offense face mandatory installation of an for at least six months upon license reinstatement, expanding requirements that previously applied mainly to repeat offenders.

Background
  • Missouri law enforces strict regulations regarding intoxication-related traffic offenses and license suspensions under chapters 302 and 577. context

Who It Would Affect

Groups the bill's text would affect if enacted, as described in the record. Being affected is not a position for or against it.

Directly affected

Persons found guilty of an intoxication-related traffic offense

Must operate only vehicles equipped with a certified ignition interlock device for at least six months upon license reinstatement.

Directly affected

Courts granting limited driving privileges

Must mandate ignition interlock devices on all vehicles operated by individuals granted limited driving privileges following an intoxication-related traffic offense.

Key Facts

You don't have to trust us. Each fact below is taken straight from the official document - click any one to see the exact passage, highlighted in the original.

Frequently Asked Questions

Who is affected by this bill?
Any person found guilty of an intoxication-related traffic offense in Missouri, including first-time offenders who previously may have faced discretionary rather than mandatory ignition interlock requirements.
How long must the ignition interlock device remain installed?
The device must be installed for a period of not less than six months starting from the date of the person's driver's license reinstatement.
Does this apply to limited driving privileges?
Yes, courts granting a to a person found guilty of an intoxication-related traffic offense must require an on all vehicles operated by that person, with exceptions as provided in section 302.441.

What else do you want to know?

News Coverage

No news coverage found yet. Articles are indexed twice daily.

Where This Stands

Currently in committee. The next step in the legislative lifecycle is Floor Vote.

Procedural history

4 actions
  1. May 15, 2026HouseCommittee
    Referred: Emerging Issues(H)
  2. Jan 8, 2026HouseFloor
    Read Second Time (H)
  3. Jan 7, 2026HouseIntroduced
    Read First Time (H)
  4. Dec 4, 2025HouseIntroduced
    Prefiled (H)

Version history

Only one version on file - nothing to compare yet. As later stages (committee substitute, engrossed, enrolled) are captured, the redline appears here.

View official text →

Lobbying Activity

No state lobbying filings in our records match this bill. Federal lobbying reports (LDA) cover Congress, so they are not listed on state bills.

Full breakdown

Who this bill affects and the strongest case for and against it, written only from the bill’s own text.

Sponsors

Connected Entities

Joseph Engler, General Assembly
PersonJoseph Engler“Chief Clerk”Map →
OrganizationGeneral Assembly“Legislative body enacting the statute”Map →

Sources

Analysis Score

0–100
  • Significance75
    How much this matters to a regular citizen
  • Controversy45
    Intensity of disagreement among stakeholders
  • Entertainment5
    Compellingness for a non-policy-wonk reader
  • Buzz25
    Current news / social attention level

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