# Missouri HB1740: Modifies provisions relating to driving while intoxicated

Missouri HB1740, Modifies provisions relating to driving while intoxicated, is a 2026 Regular Session House bill sponsored by Dave Griffith (Republican); status signed, last action 2026-07-09 (Delivered to Secretary of State (G)); PRIA reads it as touching household money (as of 2026-11-04).

- Canonical: https://policyrisk.com/state-bill/MO-HB1740-2026
- As of: 2026-11-04
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Missouri HB1740
- State: Missouri
- Session: 2026 Regular Session
- Title: Modifies provisions relating to driving while intoxicated
- Status: signed
- Chamber: House
- Introduced: 2025-12-01
- Last action: 2026-07-09, Delivered to Secretary of State (G)
- Sponsor: Dave Griffith (Republican)
- Cosponsors: 16
- Touches household money: yes
- Roll calls: 8 (501 yes, 9 no in all)
- Economic provisions PRIA read: 4

## Summary

No summary available.

## Bill overview: provisions PRIA read

- Child support after intoxicated driving deaths: benefit, medium. Bentley and Mason's Law provides child maintenance when a qualifying intoxication-related driving offense causes a parent's death. A conviction, guilty plea, or no-contest plea triggers a required court order when the surviving parent or guardian petitions. Courts set payments using the child's nee…
- Low-income drivers pay less for interlocks: benefit, medium. Drivers with verified income at or below 150% of the federal poverty level pay 10% of the ignition interlock cost. This saves them 90% of the device cost. Income proof can include last year's federal tax return, income statements from the past three months, or a court order. Extra costs caused by n…
- Interlock requirements expand for high-risk drivers: cost, medium. Missouri requires certified ignition interlocks for repeat intoxication-related driving offenses and qualifying offenses involving blood alcohol of at least 0.15%, property damage, or injury. License rules also cover specified suspended or revoked drivers with a prior alcohol-related enforcement co…
- Tougher penalties for harmful intoxicated driving: cost, medium. Criminally negligent intoxicated driving causing physical injury is a class D felony; serious physical injury makes it class C. Causing death through criminally negligent intoxicated driving is a class A felony. A later intoxicated-driving offense is also class A after a prior finding of guilt unde…

## Sponsors and cosponsors

- Sponsor: Dave Griffith (Republican), House
- Cosponsor: Bill Irwin (Republican), House
- Cosponsor: Brandon Phelps (Republican), House
- Cosponsor: Bruce Sassmann (Republican), House
- Cosponsor: Cecelie Williams (Republican), House
- Cosponsor: Christopher Warwick (Republican), House
- Cosponsor: David Dolan (Republican), House
- Cosponsor: Deanna Self (Republican), House
- Cosponsor: Donna Barnes (Democratic), House
- Cosponsor: Jeff Vernetti (Republican), House
- Cosponsor: John Hewkin (Republican), House
- Cosponsor: Mark Sharp (Democratic), House
- Cosponsor: Melissa Schmidt (Republican), House
- Cosponsor: Raychel Proudie (Democratic), House
- Cosponsor: Sherri Gallick (Republican), House
- Cosponsor: Terri Violet (Republican), House
- Cosponsor: Travis Wilson (Republican), House

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2026-05-14 | House | House Adopts - SS SCS | pass | 143 | 2 |   |
| 2026-05-14 | House | Reported Do Pass | pass | 8 | 0 |   |
| 2026-05-14 | Senate | Third Read and Passed | pass | 32 | 0 |   |
| 2026-05-14 | House | Truly Agreed To and Finally Passed | pass | 144 | 2 |   |
| 2026-04-02 | House | Reported Do Pass | pass | 8 | 0 |   |
| 2026-04-02 | House | Third Read and Passed | pass | 141 | 5 | 1 |
| 2026-03-11 | House | Reported Do Pass | pass | 9 | 0 |   |
| 2026-02-26 | House | Reported Do Pass | pass | 16 | 0 |   |

## Actions (56)

- 2026-07-09: Delivered to Secretary of State (G) (House)
- 2026-07-09: Approved by Governor (G) (House)
- 2026-05-28: Delivered to Governor (House)
- 2026-05-28: Signed by President Pro Tem (Senate)
- 2026-05-28: Signed by House Speaker (House)
- 2026-05-14: House Message (House)
- 2026-05-14: Truly Agreed To and Finally Passed - AYES: 144 NOES: 2 PRESENT: 0 (House)
- 2026-05-14: House Adopts - SS SCS AYES: 143 NOES: 2 PRESENT: 0 (House)
- 2026-05-14: Taken Up (House)
- 2026-05-14: Reported Do Pass - AYES: 8 NOES: 0 PRESENT: 0 (House)
- 2026-05-14: Voted Do Pass (House)
- 2026-05-14: Executive Session Completed (House)
- 2026-05-14: Referred: Fiscal Review (House)
- 2026-05-14: Reported to the House with... - SS SCS (House)
- 2026-05-14: Third Read and Passed - AYES: 32 NOES: 0 PRESENT: 0 (Senate)
- 2026-05-14: SS Adopted (Senate)
- 2026-05-14: SS Offered (Senate)
- 2026-05-14: Taken Up for Third Reading (Senate)
- 2026-05-07: Placed on Informal Calendar (Senate)
- 2026-05-07: Reported Do Pass (Senate)
- 2026-05-07: Voted Do Pass (Senate)
- 2026-05-07: Executive Session Held (Senate)
- 2026-05-06: Referred: Fiscal Oversight (Senate)
- 2026-05-06: SCS Reported Do Pass (Senate)
- 2026-04-29: SCS Voted Do Pass (Senate)
- 2026-04-29: Executive Session Held (Senate)
- 2026-04-15: Public Hearing Held (Senate)
- 2026-04-13: Public Hearing Scheduled - Wednesday, April 15, 2026, 8:30 a.m., Senate Lounge - 3rd Floor (Senate)
- 2026-04-08: Second read and referred: Judiciary and Civil and Criminal Jurisprudence (Senate)
- 2026-04-07: Reported to the Senate and First Read (Senate)
- 2026-04-02: Third Read and Passed - AYES: 141 NOES: 5 PRESENT: 1 (House)
- 2026-04-02: Taken Up for Third Reading (House)
- 2026-04-02: Placed on the Informal Third Reading Calendar (House)
- 2026-04-02: Reported Do Pass - AYES: 8 NOES: 0 PRESENT: 0 (House)
- 2026-04-02: Voted Do Pass (House)
- 2026-04-02: Executive Session Completed (House)
- 2026-03-31: Referred: Fiscal Review (House)
- 2026-03-30: Perfected (House)
- 2026-03-30: Title of Bill - Agreed To (House)
- 2026-03-30: Taken Up for Perfection (House)
- 2026-03-25: Placed on the Informal Perfection Calendar (House)
- 2026-03-11: Reported Do Pass - AYES: 9 NOES: 0 PRESENT: 0 (House)
- 2026-03-10: Voted Do Pass (House)
- 2026-03-10: Executive Session Completed (House)
- 2026-03-05: Referred: Rules - Legislative (House)
- 2026-02-26: Reported Do Pass - AYES: 16 NOES: 0 PRESENT: 0 (House)
- 2026-02-26: Voted Do Pass (House)
- 2026-02-26: Executive Session Completed (House)
- 2026-02-24: Action Postponed (House)
- 2026-02-24: Executive Session Continued
- 2026-02-17: Public Hearing Completed (House)
- 2026-02-05: Re-referred to Committee: Crime and Public Safety (House)
- 2026-01-22: Referred: General Laws (House)
- 2026-01-08: Read Second Time (House)
- 2026-01-07: Read First Time (House)
- 2025-12-01: Prefiled (House)

## Bill text

- Truly Agreed, 2026-05-14: [PDF](https://documents.house.mo.gov/billtracking/bills261/hlrbillspdf/5381S.06T.pdf)
- Perfected, 2026-03-30: [PDF](https://documents.house.mo.gov/billtracking/bills261/hlrbillspdf/5381H.01P.pdf)
- Committee Substitute, 2026-02-26: [PDF](https://documents.house.mo.gov/billtracking/bills261/hlrbillspdf/5381S.05C.pdf)
- Senate Substitute, 2026-02-26: [PDF](https://documents.house.mo.gov/billtracking/bills261/hlrbillspdf/5381S.06F.pdf)
- Introduced, 2026-01-07: [PDF](https://documents.house.mo.gov/billtracking/bills261/hlrbillspdf/5381H.01I.pdf)

## Related bills

- SB1408: Increases the maximum speed limit from 70 to 75 miles per hour on rural interstates and freeways (signed)
- SB1135: Creates "Bentley and Mason's Law" relating to child maintenance orders for certain persons convicted of the offense of driving while intoxicated (signed)
- SB1067: Establishes the Uniform Public Expression Protection Act, which provides procedures for dismissal of actions based on public expression (signed)
- SB1019: Modifies several provisions relating to health care (signed)
- SB973: Creates and modifies provisions relating to real estate transactions (signed)
- SB890: Repeals expired, terminated, sunset, and obsolete sections of law (signed)

## Sources
- [Truly Agreed (PDF)](https://documents.house.mo.gov/billtracking/bills261/hlrbillspdf/5381S.06T.pdf)
- [Perfected (PDF)](https://documents.house.mo.gov/billtracking/bills261/hlrbillspdf/5381H.01P.pdf)
- [Committee Substitute (PDF)](https://documents.house.mo.gov/billtracking/bills261/hlrbillspdf/5381S.05C.pdf)
- [Senate Substitute (PDF)](https://documents.house.mo.gov/billtracking/bills261/hlrbillspdf/5381S.06F.pdf)
- [Introduced (PDF)](https://documents.house.mo.gov/billtracking/bills261/hlrbillspdf/5381H.01I.pdf)

## Related
- [SB1408: Increases the maximum speed limit from 70 to 75 miles per hour on rural interst…](https://policyrisk.com/state-bill/MO-SB1408-2026)
- [SB1135: Creates "Bentley and Mason's Law" relating to child maintenance orders for cert…](https://policyrisk.com/state-bill/MO-SB1135-2026)
- [SB1067: Establishes the Uniform Public Expression Protection Act, which provides proced…](https://policyrisk.com/state-bill/MO-SB1067-2026)
- [SB1019: Modifies several provisions relating to health care](https://policyrisk.com/state-bill/MO-SB1019-2026)
- [SB973: Creates and modifies provisions relating to real estate transactions](https://policyrisk.com/state-bill/MO-SB973-2026)
- [SB890: Repeals expired, terminated, sunset, and obsolete sections of law](https://policyrisk.com/state-bill/MO-SB890-2026)
- [Missouri bills](https://policyrisk.com/states/missouri/bills)
- [Missouri state hub](https://policyrisk.com/states/missouri)
- [All state legislation](https://policyrisk.com/state-bills)

Source: PRIA, https://policyrisk.com/state-bill/MO-HB1740-2026 (as of 2026-11-04).
