HB4522

Traffic control: traffic regulation; requirement to drive in the right-hand lane of a roadway with 2 lanes for travel in 1 direction; modify. Amends sec. 634 of 1949 PA 300 (MCL 257.634).

Chamber Passed·9/24/25

Modifies Michigan traffic regulations to allow vehicles to drive in any lane on a two-lane road.

Michigan HB4522 amends traffic regulation laws to allow drivers to use any lane on a two-lane road, except for specific exceptions. Drivers must still yield to oncoming traffic on the left. The law also prohibits local governments from enacting ordinances that conflict with these provisions. Violators face a civil infraction.

Included in complete analysis

  • Overview
  • Core Provisions
  • Implementation
  • Impact
  • Legal Framework
  • Critical Issues

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Where it stands

Last
Passed the House · 92–8 · Sep 24, 2025
Current
Transportation And Infrastructure Committee
Next
Senate floor vote

Sponsors

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8
16
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Democratic CaucusRepublican Caucus

Roll Call Votes

92 Yea

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8 Nay

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Calendar

Aug 19, 2025

12:00 PM

House Transportation and Infrastructure

Jul 29, 2025

12:00 PM

House Transportation and Infrastructure

History

Sep 29, 2025

Senate

Passed By House With Immediate Effect

Sep 29, 2025

Senate

Referred To Committee On Transportation And Infrastructure

Sep 24, 2025

House

Read A Second Time