Sen. Lopez introduces bill in New Mexico Senate to change motorcycle helmet law protections

Antoinette Sedillo Lopez, New Mexico State Senator from 16th District
Antoinette Sedillo Lopez, New Mexico State Senator from 16th District
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The new bill, authored by State Sen. Antoinette Sedillo Lopez in the New Mexico Senate, seeks to change how courts consider helmet use in motorcycle-related legal cases, according to the New Mexico General Assembly.

The bill, introduced as SB 312 during the 57th general assembly on Wednesday, Feb. 4, was formally listed with the short title: ’Safety Helmets as Negligence’.

The following is our breakdown, based on the actual bill text, and may include interpretation to clarify its provisions.

In essence, this bill removes New Mexico’s legal protections that previously barred courts from treating a motorcycle rider’s failure to wear a safety helmet as contributory negligence, fault or a basis to limit or apportion damages. It amends the state’s motorcycle helmet law to delete the provision stating that not wearing a required helmet cannot be considered contributory negligence, while keeping the requirement that operators and passengers under age 18 wear safety helmets and preserving the exemption for autocycles. It also repeals two related statutes with similar no-fault helmet language.

Antoinette Sedillo Lopez, the vice chair of the Senate Conservation Committee, proposed another 38 bills during the 57th general assembly. She is also a member of the Courts, Corrections & Justice Committee, a member of the Investments & Pensions Oversight Committee, a member of the Radioactive & Hazardous Materials Committee, an advisory member of the Water & Natural Resources Committee, a designee of the Revenue Stabilization & Tax Policy Committee, a member of the Legislative Health & Human Services Committee, and a member of the Senate Judiciary Committee.

In New Mexico, the legislative process involves multiple steps: a bill is introduced in either the House or Senate, assigned to a committee for review, debated and voted on in both chambers, and, if approved, sent to the governor for signature or veto. The Legislature meets annually, commencing on the third Tuesday in January, with 60-day sessions in odd-numbered years and 30-day sessions in even-numbered years. While numerous bills are introduced each session, only a fraction successfully navigate the process to become law. You can read more about bills and other measures here.

Other Bills Introduced by Sen. Antoinette Sedillo Lopez in New Mexico Senate

Bill NumberDate IntroducedShort Description
SB 31302/04/2026Child Car Seat Fastening as Negligence
SB 30302/04/2026Use of Funds for Concealed ID Law Enforcement
SB 28002/04/2026Public Peace, Health, Safety & Welfare
SB 25202/04/2026Liquor Tax Changes
SB 21702/02/2026Liquor Tax Changes
SB 11101/23/2026Motor Vehicle Code Personal Info
SB 9401/22/2026Domestic Violence Offender Treatment PGM
SB 9001/22/2026Credible Threat Definition
SB 8501/22/2026Amend Abuse & Neglect Act
SB 8001/22/2026Domestic Abuse Definitions
SB 6501/22/2026Management of Public School Libraries
SB 5701/21/2026Concealing Identity of a Peace Officer
SB 5101/21/2026Wrongful Conviction Compensation Act
SB 3101/21/2026U Visa Certification Act
SB 801/20/2026Behavioral Health Trust Fund
SB 1601/20/2026Health Professional Autonomy Act
SB 55202/20/2025Public Peace, Health, Safety & Welfare
SB 48702/20/2025Emergency Voting Procedures
SB 45002/19/2025Corporate Practice of Medicine Act
SB 44102/18/2025Child & Domestic Abuse Training for Courts
SB 44002/18/2025State Agency Language Plans
SB 43102/17/2025Liquor Tax Changes & Programs
SB 40002/14/2025Release of Certain People from Rent Agreement
SB 37302/12/2025Domestic Violence by Military Member
SB 37202/12/2025Telecommunication Surcharges
SB 33102/10/2025Domestic Violence Programs & Probation
SB 29302/05/2025Housing Study for Some Development Projects
SB 29202/05/2025Protective Services Workers Returning to Work
SB 22301/31/2025Housing Study for Leda Support
SB 22201/31/2025Caregiver Background Checks
SB 3601/28/2025Sensitive Personal Information Nondisclosure
SB 17701/28/2025U Visa Certification Act
SB 9901/23/2025No Fuel Less-Than-Zero Carbon Intensity
SB 10301/23/2025Report on Direct Care Workforce
SB 7401/22/2025Time Limit for Prosecuting Certain Crimes
SB 7301/22/2025Require Bicycle Stops for Safety
SB 2601/21/2025Protection Against Abuse and Violence Act
SB 1201/21/2025Out-of-State Telehealth Providers



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