2023 House Bill 4012 / 2024 Public Act 33

Traffic control: speed restrictions; procedure for establishing speed limits; modify.

An act to amend 1949 PA 300, entitled “An act to provide for the registration, titling, sale, transfer, and regulation of certain vehicles operated upon the public highways of this state or any other place open to the general public or generally accessible to motor vehicles and distressed vehicles; to provide for the licensing of dealers; to provide for the examination, licensing, and control of operators and chauffeurs; to provide for the giving of proof of financial responsibility and security by owners and operators of vehicles; to provide for the imposition, levy, and collection of specific taxes on vehicles, and the levy and collection of sales and use taxes, license fees, and permit fees; to provide for the regulation and use of streets and highways; to create certain funds; to provide penalties and sanctions for a violation of this act; to provide for civil liability of manufacturers, the manufacturers of certain devices, the manufacturers of automated technology, upfitters, owners, and operators of vehicles and service of process on residents and nonresidents; to regulate the introduction and use of certain evidence; to regulate and certify the manufacturers of certain devices; to provide for approval and certification of installers and servicers of certain devices; to provide for the levy of certain assessments; to provide for the enforcement of this act; to provide for the creation of and to prescribe the powers and duties of certain state and local agencies; to impose liability upon the state or local agencies; to provide appropriations for certain purposes; to repeal all other acts or parts of acts inconsistent with this act or contrary to this act; and to repeal certain parts of this act on a specific date,” by amending section 628 (MCL 257.628), as amended by 2016 PA 447.

House Fiscal Agency Analysis

House Bill 4012 would amend the Michigan Vehicle Code to change procedures for setting certain speed limits on Michigan highways. The bill would add that a speed limit could be set below the eighty-fifth percentile speed if an engineering and safety study demonstrated a situation with hazards to public safety that are not reflected by the eighty-fifth percentile speed. However—and as under current law—the speed limit could not be set below the fiftieth percentile speed

Introduced in the House

Jan. 12, 2023

Introduced by Rep. Bradley Slagh (R-85)

Referred to the Committee on Transportation, Mobility and Infrastructure

June 13, 2023

Reported without amendment

Oct. 12, 2023

Passed in the House 100 to 10 (details)

Motion to give immediate effect by Rep. Abraham Aiyash (D-9)

The motion prevailed by voice vote

Received in the Senate

Oct. 17, 2023

Referred to the Committee on Transportation and Infrastructure

Feb. 20, 2024

Reported without amendment

Feb. 21, 2024

Referred to the Committee of the Whole

March 14, 2024

Reported without amendment

March 19, 2024

Passed in the Senate 37 to 0 (details)

Motion to give immediate effect by Sen. Sam Singh (D-28)

The motion prevailed by voice vote

Signed by Gov. Gretchen Whitmer

April 2, 2024