HB 2191 Missouri House · 2026 Regular Session

Requires the use of an ignition interlock devices for persons who are found guilty of an intoxication-related traffic offense

HB 2191 requires anyone convicted of an alcohol-impaired driving offense (including first-time offenses) to install and maintain a certified ignition interlock device in their vehicle for at least six months after their driver's license is reinstated. This applies to all vehicles operated by the person, including during any limited driving privilege granted by a court. The law adds this requirement to existing penalties under traffic laws, making ignition interlock use mandatory for all such convictions, not just repeat offenses. It does not change the definition of the offense but expands the scope of who must use the device. The bill is currently in early legislative stages (prefiled and read first time).
Bill status in committee 1 of 4 stages cleared
Introduction
Dec 2025
Committee Review
Floor Vote
Governor
Introduced Dec 4, 2025 Last action May 15, 2026
Floor votes

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Full legislative history

Actions timeline

Total actions
4
Key actions
0
Committee
1
May 15, 2026
Committee
Referred: Emerging Issues(H)
lower
Dec 4, 2025
Introduced
Prefiled (H)
lower
1 primary · 0 co-sponsors

Sponsors

Role
Legislator
Party
State
District
P
Photo of Bruce Sassmann
Bruce Sassmann
RRepublican
MO
61