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SB 1579
Missouri Senate•In Senate Committee
Summary
SB 1579, which modifies provisions relating to driving while intoxicated, was introduced in the Senate on Jan 20, 2026 by Sen. David Gregory (R). It was referred to Judiciary And Civil And Criminal Jurisprudence, and last saw action on Feb 5, 2026: Second Read and Referred S Judiciary and Civil and Criminal Jurisprudence Committee.
Record
Text
SB 1579 has no co-sponsors and has not gone to a roll call.
sb1579/introduced.txtSECOND REGULAR SESSIONSENATE BILL NO. 1579103RD GENERAL ASSEMBLYINTRODUCED BY SENATOR GREGORY (15).6665S.01I KRISTINA MARTIN, SecretaryAN ACTTo repeal section 577.010, RSMo, and to enact in lieu thereof one new section relating to drivingwhile intoxicated, with penalty provisions.Be it enacted by the General Assembly of the State of Missouri, as follows:1Section A. Section 577.010, RSMo, is repealed and one new2 section enacted in lieu thereof, to be known as section 577.010,3 to read as follows:1577.010. 1. A person commits the offense of driving2 while intoxicated if he or she operates a vehicle while in3 an intoxicated condition.42. The offense of driving while intoxicated is:5(1) A class B misdemeanor;6(2) A class A misdemeanor if:7(a) The defendant is a prior offender; or8(b) A person less than seventeen years of age is9 present in the vehicle;10(3) A class E felony if[:11(a)] the defendant is a persistent offender; [or12(b) While driving while intoxicated, the defendant13 acts with criminal negligence to cause physical injury to14 another person;]15(4) A class D felony if:16(a) The defendant is an aggravated offender; orEXPLANATION-Matter enclosed in bold-faced brackets [thus] in this bill is not enactedand is intended to be omitted in the law.SB 1579 217(b) While driving while intoxicated, the defendant18 acts with criminal negligence to cause physical injury to [a19 law enforcement officer or emergency personnel] another20 person; [or21(c) While driving while intoxicated, the defendant22 acts with criminal negligence to cause serious physical23 injury to another person;]24(5) A class C felony if:25(a) The defendant is a chronic offender; or26(b) While driving while intoxicated, the defendant27 acts with criminal negligence to cause serious physical28 injury to [a law enforcement officer or emergency personnel]29 another person; [or30(c) While driving while intoxicated, the defendant31 acts with criminal negligence to cause the death of another32 person;]33(6) A class B felony if:34(a) The defendant is a habitual offender; or35(b) While driving while intoxicated, the defendant36 acts with criminal negligence to cause the death of [a law37 enforcement officer or emergency personnel] another person;38[(c) While driving while intoxicated, the defendant39 acts with criminal negligence to cause the death of any40 person not a passenger in the vehicle operated by the41 defendant, including the death of an individual that results42 from the defendant's vehicle leaving a highway, as defined43 in section 301.010, or the highway's right-of-way;44(d) While driving while intoxicated, the defendant45 acts with criminal negligence to cause the death of two or46 more persons; or47(e) While driving while intoxicated, the defendant48 acts with criminal negligence to cause the death of anySB 1579 349 person while he or she has a blood alcohol content of at50 least eighteen-hundredths of one percent by weight of51 alcohol in such person's blood;]52(7) A class A felony if:53(a) While driving while intoxicated, the defendant54 acts with criminal negligence to cause the death of two or55 more persons;56(b) While driving while intoxicated, the defendant57 acts with criminal negligence to cause the death of any58 person while the defendant has a blood alcohol content of at59 least fifteen-hundredths of one percent by weight of60 alcohol; or61(c) The defendant has previously been found guilty of62 an offense under [paragraphs] paragraph (a) [to (e)] or (b)63 of subdivision (6) of this subsection and is found guilty of64 a subsequent violation of [such paragraphs] this section.653. Notwithstanding the provisions of subsection 2 of66 this section, a person found guilty of the offense of67 driving while intoxicated as a first offense shall not be68 granted a suspended imposition of sentence:69(1) Unless such person shall be placed on probation70 for a minimum of two years; or71(2) In a circuit where a DWI court or docket created72 under section 478.007 or other court-ordered treatment73 program is available, and where the offense was committed74 with fifteen-hundredths of one percent or more by weight of75 alcohol in such person's blood, unless the individual76 participates and successfully completes a program under such77 DWI court or docket or other court-ordered treatment program.784. If a person is found guilty of a second or79 subsequent offense of driving while intoxicated, the court80 may order the person to submit to a period of continuousSB 1579 481 alcohol monitoring or verifiable breath alcohol testing82 performed a minimum of four times per day as a condition of83 probation.845. If a person is not granted a suspended imposition85 of sentence for the reasons described in subsection 3 of86 this section:87(1) If the individual operated the vehicle with88 fifteen-hundredths to twenty-hundredths of one percent by89 weight of alcohol in such person's blood, the required term90 of imprisonment shall be not less than forty-eight hours;91(2) If the individual operated the vehicle with92 greater than twenty-hundredths of one percent by weight of93 alcohol in such person's blood, the required term of94 imprisonment shall be not less than five days.956. A person found guilty of the offense of driving96 while intoxicated:97(1) As a prior offender, persistent offender,98 aggravated offender, chronic offender, or habitual offender99 shall not be granted a suspended imposition of sentence or100 be sentenced to pay a fine in lieu of a term of101 imprisonment, section 557.011 to the contrary102 notwithstanding;103(2) As a prior offender shall not be granted parole or104 probation until he or she has served a minimum of ten days105 imprisonment:106(a) Unless as a condition of such parole or probation107 such person performs at least thirty days of community108 service under the supervision of the court in those109 jurisdictions which have a recognized program for community110 service; or111(b) The offender participates in and successfully112 completes a program established under section 478.007 orSB 1579 5113 other court-ordered treatment program, if available, and as114 part of either program, the offender performs at least115 thirty days of community service under the supervision of116 the court;117(3) As a persistent offender shall not be eligible for118 parole or probation until he or she has served a minimum of119 thirty days imprisonment:120(a) Unless as a condition of such parole or probation121 such person performs at least sixty days of community122 service under the supervision of the court in those123 jurisdictions which have a recognized program for community124 service; or125(b) The offender participates in and successfully126 completes a program established under section 478.007 or127 other court-ordered treatment program, if available, and as128 part of either program, the offender performs at least sixty129 days of community service under the supervision of the court;130(4) As an aggravated offender shall not be eligible131 for parole or probation until he or she has served a minimum132 of sixty days imprisonment; and133(5) As a chronic or habitual offender shall not be134 eligible for parole or probation until he or she has served135 a minimum of two years imprisonment[; and].136[(6)] 7. Any probation or parole granted under [this]137 subsection 6 of this section may include a period of138 continuous alcohol monitoring or verifiable breath alcohol139 testing performed a minimum of four times per day.1408. Notwithstanding any other provision of law to the141 contrary, an offender found guilty under paragraph (b) of142 subdivision (6) of subsection 2 of this section shall not be143 eligible for parole or probation until he or she has served144 a minimum of five years imprisonment.SB 1579 61459. Notwithstanding any other provision of law to the146 contrary, an offender found guilty under subdivision (7) of147 subsection 2 of this section shall not be eligible for148 parole or probation until he or she has served a minimum of149 ten years' imprisonment.✓
Modifies provisions relating to driving while intoxicated
Sponsors
Sen. David Gregory (R) sponsors SB 1579 alone.
Committees
SB 1579 went before 1 committee: Judiciary And Civil And Criminal Jurisprudence.

History
SB 1579 has taken 2 actions since Jan 20, 2026, the latest on Feb 5, 2026.
| Chamber | Action | |||
|---|---|---|---|---|
Feb 5, 2026 | Senate | Second Read and Referred S Judiciary and Civil and Criminal Jurisprudence Committee | ||
Jan 20, 2026 | Senate | S First Read |
Votes
SB 1579 has not gone to a roll call.
Source: senate.mo.gov · legiscan.com