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MontanaSB 6769th Legislature, Regular Session (2025)Senate

Provide for the use of autonomous vehicles

Sponsored By: Denley Loge (Republican)

Signed by Governor

Motor VehiclesRule Making

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Bill Overview

Analyzed Economic Effects

4 provisions identified: 2 benefits, 0 costs, 2 mixed.

Local rules can't target automated cars

Cities and counties can set traffic rules and improve roads. They cannot make rules that single out automated vehicles for worse treatment. Local authority under state law remains, but it must be non-discriminatory.

State must consult on automated vehicle rules

The Department of Justice, with the Department of Transportation, sets rules for automated vehicles. Before proposing rules, the Department of Justice must talk with stakeholders like lawmakers, police, insurers, drivers, pedestrians, and tribal and local governments. The law does not set deadlines for these talks.

Limits on automated trucks in bad weather

The Department of Transportation can limit commercial automated vehicles during actual or predicted dangerous road conditions. The Department can allow an exemption if a commercial vehicle shows it can operate safely in those conditions. The law does not set the test for proving safety.

Automated vehicles allowed on Montana roads

The law allows vehicles with automation levels 1, 2, and 3 on Montana highways. It also allows levels 4 and 5, and the Department of Transportation sets safety and operating rules for them. The act defines key terms and roles, like the dynamic driving task and a fallback ready user. The law does not list dates or specific limits in this part.

Sponsors & Cosponsors

Sponsor

  • Denley Loge

    Republican • Senate

Cosponsors

  • Julie Darling

    Republican • House

Roll Call Votes

All Roll Calls

Yes: 314 • No: 34

House vote • 4/11/2025

Do Concur

Yes: 94 • No: 6

House 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

    4/11/2025House

  9. 2nd Reading

    4/11/2025House

  10. Committee Report

    4/10/2025House

  11. Committee Executive Action

    4/9/2025House

  12. Hearing

    4/9/2025House

  13. Rereferred to Committee

    4/9/2025House

  14. Committee Report

    4/1/2025House

  15. Committee Executive Action

    3/31/2025House

  16. Hearing

    3/17/2025House

  17. 1st Reading

    3/6/2025House

  18. Referred to Committee

    3/5/2025House

  19. Transmitted to House

    3/5/2025Senate

  20. 3rd Reading

    3/5/2025Senate

  21. 2nd Reading

    3/3/2025Senate

  22. 2nd Reading Motion to Amend

    3/3/2025Senate

  23. Committee Report

    2/28/2025Senate

  24. Committee Executive Action

    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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