---
type: "Bill"
title: "Traffic control: speed restrictions; procedure for establishing certain speed limits; eliminate sunset. Amends sec. 627 of 1949 PA 300 (MCL 257.627)."
description: "Traffic control: speed restrictions; procedure for establishing certain speed limits; eliminate sunset. Amends sec. 627 of 1949 PA 300 (MCL 257.627)."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2023-2024"
identifier: "HB 4126"
citation: "Michigan HB 4126 (2023-2024)"
classification: ["bill"]
subjects: ["State agencies (existing): transportation", "Traffic control: speed restrictions", "Traffic control: traffic regulation"]
status: "enacted"
primary_sponsors: ["Will Snyder"]
version_count: 5
action_count: 28
vote_count: 2
first_action: "2023-02-22"
last_action: "2023-12-31"
source: "openstates"
source_identifier: "ocd-bill/78a0fb21-9389-434b-8368-1cc5a6ed3092"
source_url: "https://legislature.mi.gov/Bills/Bill?ObjectName=2023-HB-4126"
source_hash: "78f79322327fee891ebd1ba069a098d4f218adc77ed329e76f9f07b96ae1e449"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-mi"]
---

# Michigan HB 4126 (2023-2024) — Traffic control: speed restrictions; procedure for establishing certain speed limits; eliminate sunset. Amends sec. 627 of 1949 PA 300 (MCL 257.627).

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **As Passed by the House** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billengrossed/House/pdf/2023-HEBH-4126.pdf)
2. **As Passed by the Senate** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billengrossed/House/pdf/2023-HEBS-4126.pdf)
3. **House Concurred Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billconcurred/House/pdf/2023-HCB-4126.pdf)
4. **House Introduced Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billintroduced/House/pdf/2023-HIB-4126.pdf)
5. **Public Act** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/publicact/pdf/2023-PA-0212.pdf)

## Votes

- PASSED; GIVEN IMMEDIATE EFFECT ROLL CALL # 717 YEAS 37 NAYS 0 EXCUSED 1 NOT VOTING 0 — **37–0** (pass) · upper
- passed; given immediate effect Roll Call # 356 Yeas 92 Nays 18 Excused 0 Not Voting 0 — **92–18** (pass) · lower

## Sponsors

- Will Snyder — primary (person)
- Bradley Slagh — cosponsor (person)
- Carrie Rheingans — cosponsor (person)
- Erin Byrnes — cosponsor (person)
- Jasper Martus — cosponsor (person)
- Jimmie Wilson Jr. — cosponsor (person)
- Mike McFall — cosponsor (person)
- Pat Outman — cosponsor (person)
- Penelope Tsernoglou — cosponsor (person)
- Rachel Hood — cosponsor (person)
- Samantha Steckloff — cosponsor (person)
- Tullio Liberati — cosponsor (person)
- Tyrone Carter — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2023-02-22** introduced by Representative Will Snyder `introduction`
- **2023-02-22** read a first time `reading-1`
- **2023-02-22** referred to Committee on Transportation, Mobility and Infrastructure `referral-committee`
- **2023-02-22** bill electronically reproduced 02/22/2023
- **2023-09-19** reported with recommendation without amendment `committee-passage`
- **2023-09-19** referred to second reading
- **2023-10-12** read a second time `reading-2`
- **2023-10-12** placed on third reading
- **2023-10-12** placed on immediate passage
- **2023-10-12** read a third time `reading-3`
- **2023-10-12** passed; given immediate effect Roll Call # 356 Yeas 92 Nays 18 Excused 0 Not Voting 0 `passage`
- **2023-10-12** transmitted
- **2023-10-17** REFERRED TO COMMITTEE ON TRANSPORTATION AND INFRASTRUCTURE `referral-committee`
- **2023-11-08** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage`
- **2023-11-08** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
- **2023-11-08** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITHOUT AMENDMENT(S) `committee-passage`
- **2023-11-08** PLACED ON ORDER OF THIRD READING
- **2023-11-08** RULES SUSPENDED
- **2023-11-08** PLACED ON IMMEDIATE PASSAGE
- **2023-11-09** PASSED; GIVEN IMMEDIATE EFFECT ROLL CALL # 717 YEAS 37 NAYS 0 EXCUSED 1 NOT VOTING 0 `passage`
- **2023-11-09** INSERTED FULL TITLE
- **2023-11-09** returned from Senate without amendment with immediate effect and full title
- **2023-11-09** full title agreed to
- **2023-11-09** bill ordered enrolled
- **2023-12-31** presented to the Governor 11/21/2023 09:46 AM `executive-receipt`
- **2023-12-31** approved by the Governor 11/22/2023 11:20 AM `executive-signature`
- **2023-12-31** filed with Secretary of State 11/22/2023 01:26 PM
- **2023-12-31** assigned PA 212'23 with immediate effect

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/78a0fb21-9389-434b-8368-1cc5a6ed3092`. Confidence: reported (aggregated from official Michigan legislature records).