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MontanaSB 6769th Legislature, Regular Session (2025)Senate

Provide for the use of autonomous vehicles

Sponsored By: Denley Loge (Republican)

Became Law

Motor VehiclesRule Making

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Bill Overview

Analyzed Economic Effects

3 provisions identified: 0 benefits, 0 costs, 3 mixed.

Safety limits for self-driving fleets

The Department of Transportation can restrict commercial automated vehicles during dangerous or forecasted road conditions. Manufacturers or operators can get an exemption if they demonstrate safe performance in those conditions. Fleets may need to pause, slow, or reroute service during storms.

Definitions and state rulemaking for self-driving cars

The law defines key terms like automated driving system, levels 1–5, dynamic driving task, and fallback ready user. The Department of Justice and the Department of Transportation can write rules for automated vehicles. Before proposing rules, they must consult the transportation interim committee, law enforcement, insurers, drivers, pedestrians, and tribal and local governments.

Self-driving cars allowed with state rules

The law lets cars with level 1, 2, or 3 automation run on Montana roads. Level 4 or 5 vehicles can operate where the Department of Transportation's rules allow. Cities and counties may set traffic rules, but they cannot single out automated vehicles.

Sponsors & Cosponsors

Sponsor

  • Denley Loge

    Republican • Senate

Cosponsors

  • Julie Darling

    Republican • House

Roll Call Votes

All Roll Calls

Yes: 313 • No: 34

Senate vote • 4/11/2025

Do Concur

Yes: 93 • No: 6

Senate vote • 4/11/2025

Do Concur

Yes: 93 • No: 6

Senate vote • 3/5/2025

Do Pass

Yes: 40 • No: 9

Senate vote • 3/3/2025

AMD-SB0067.002.001 Loge D/PASS

Yes: 50 • No: 0

Senate vote • 3/3/2025

Do Pass As Amended

Yes: 37 • No: 13

Actions Timeline

  1. Chapter Number Assigned

    5/8/2025Senate

  2. Signed by Governor

    5/5/2025Senate

  3. Transmitted to Governor

    4/25/2025Senate

  4. Signed by Speaker

    4/25/2025House

  5. Signed by President

    4/21/2025Senate

  6. Returned from Enrolling

    4/12/2025Senate

  7. Sent to Enrolling

    4/11/2025Senate

  8. 3rd Reading Concurred

    4/11/2025House

  9. 2nd Reading Concurred

    4/11/2025House

  10. Committee Report--Bill Concurred

    4/10/2025House

  11. Committee Executive Action--Bill Concurred

    4/9/2025House

  12. Hearing

    4/9/2025House

  13. Rereferred to Committee

    4/9/2025House

  14. Committee Report--Bill Concurred

    4/1/2025House

  15. Committee Executive Action--Bill Concurred

    3/31/2025House

  16. Hearing

    3/17/2025House

  17. First Reading

    3/6/2025House

  18. Referred to Committee

    3/5/2025House

  19. Transmitted to House

    3/5/2025Senate

  20. 3rd Reading Passed

    3/5/2025Senate

  21. 2nd Reading Passed as Amended

    3/3/2025Senate

  22. 2nd Reading Motion to Amend Carried

    3/3/2025Senate

  23. Committee Report--Bill Passed as Amended

    2/28/2025Senate

  24. Committee Executive Action--Bill Passed as Amended

    2/27/2025Senate

  25. Tabled in Committee

    1/23/2025Senate

Bill Text

  • Enrolled

    4/12/2025

    PDF

  • As Amended (Version 3)

    3/3/2025

    PDF

  • As Amended (Version 2)

    2/28/2025

    PDF

  • Introduced

    12/27/2024

    PDF

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