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HB 4334

Traffic control: accidents; penalties for moving violation causing physical injury or death to a vulnerable roadway user; enhance. Amends secs. 303, 320a, 601c & 653a of 1949 PA 300 (MCL 257.303 et seq.); adds secs. 79g & 79h & repeals sec. 653b of 1949 PA 300 (MCL 257.653b). TIE BAR WITH: HB 4335'25

2025-2026 Regular Session Introduced by Noah Arbit and 24 co-sponsors

Michigan bill enhances criminal penalties for moving violations causing injury or death to pedestrians and cyclists, strengthening driver accountability for vulnerable roadway users.

bill electronically reproduced 04/17/2025
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Bill Summary · HB 4334

Legislative bill overview

HB 4334 enhances penalties for moving violations that cause physical injury or death to vulnerable roadway users (pedestrians, cyclists, etc.) in Michigan. The bill amends existing traffic laws and adds new sections to the Michigan Vehicle Code while repealing a prior related section, with its provisions tied to companion bill HB 4335.

Why is this important

Vulnerable roadway users face disproportionate injury and fatality risks from vehicle collisions. Enhanced penalties aim to deter dangerous driving behavior and create stronger legal consequences for drivers whose violations harm pedestrians and cyclists, reflecting a public safety priority.

Potential points of contention

  • Definitional scope: What qualifies as "vulnerable roadway user" and whether the definition adequately covers all intended categories (e.g., does it include motorcyclists, people with disabilities crossing legally?)
  • Penalty proportionality: Whether enhanced penalties are appropriately calibrated—concerns that penalties may be excessive for minor violations or insufficient for serious cases
  • Enforcement challenges: How prosecutors will prove causation between a specific moving violation and injury/death, and whether this creates practical difficulties in charging decisions
  • Tie-bar dependency: The bill's effectiveness depends on companion HB 4335; unclear what additional provisions that bill contains and whether both must pass together

Compiled from official sources — confirm details with the bill’s official record.

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