Michigan transportation laws

What Michigan has enacted on transportation, what each law requires, and what the bills still moving would do. Michigan is one of 41 states that enacted a transportation law in the 2025 and 2026 sessions.

Bills in scope
10bills in scope
Past committee
9past committee
Most recent action
29 July 2026most recent action

Transportation laws enacted in Michigan

One transportation law enacted in the Michigan Legislature in the 2025 and 2026 sessions, newest first. Each links to the legislature's own page.

  • SB 52State finance: authorities; use of grant funds and issuance of revenue bonds; modify. Amends title & secs. 2, 8, 9, 10, 13, 14, 14a, 16, 18, 20, 23, 24 & 25 of 1978 PA 639 (MCL 120.102 et seq.) & adds sec. 19a.Enacted 29 July 2026

    What it requires: Port authorities must enter into contracts with constituent units for acquisition, construction, improvement, or financing of port facilities, with constituent units pledging full faith and credit and levying taxes without limitation as necessary. Authorities must prepare a port development plan within 2 years of creation and submit detailed operating budgets to constituent units and state departments for approval.

Transportation in Michigan, by topic

Transportation bills in Michigan

The bills not yet law, furthest along first, with what each would do.

1Enacted

8Past committee

1Introduced or inactive

10 bills in scope

Past committee

8

SB 959Transportation: railroads; wayside detector systems; provide for. Amends 1993 PA 354 (MCL 462.101 - 462.451) by adding secs. 280, 281, 282, 283, 284 & 285.Passed committee
SB 958Transportation: railroads; minimum freight train operating crew size; require. Amends 1993 PA 354 (MCL 462.101 - 462.451) by adding sec. 352.Passed committee

What it would do: Requires railroads to operate freight trains with a crew of not fewer than 2 individuals, except for locomotives in hostler service, helper service, or when federal law already requires a 2-person crew.

HB 5433Use tax: definitions; definition of qualified commercial motor vehicle; modify. Amends secs. 2 & 4a of 1937 PA 94 (MCL 205.92 & 205.94a). TIE BAR WITH: HB 5434'25, HB 5435'25Passed committee

What it would do: Amends the Use Tax Act to modify the definition of qualified commercial motor vehicle by cross-referencing the Motor Carrier Fuel Tax Act, and clarifies that delivery and installation charges are excluded from purchase price if separately stated, with retroactive cancellation of certain assessments issued before April 26, 2023.

HB 5434Transportation: carriers; tax on motor carriers for electric fuel; provide for. Amends title & secs. 1, 2, 2a, 5, 8, 9 & 10 of 1980 PA 119 (MCL 207.211 et seq.). TIE BAR WITH: HB 5433'25, HB 5435'25Passed committee
HB 5435Transportation: motor fuel tax; motor fuel tax act; modify to include tax on electric fuel. Amends title & sec. 53 of 2000 PA 403 (MCL 207.1053) & adds secs. 157, 158 & 158a. TIE BAR WITH: HB 5433'25, HB 5434'25Passed committee

What it would do: Amends the Motor Fuel Tax Act to impose a tax on electricity consumed by electric fuel commercial users operating qualified commercial motor vehicles on Michigan public roads, calculated by multiplying the motor fuel tax rate divided by average miles per gallon equivalent by miles driven, and requires licensing of electric fuel commercial users for a $50 fee.

HB 5479Streamline sales and use tax: other; taxation of electric fuel under the IFTA; provide for. Amends sec. 4gg of 1933 PA 167 (MCL 205.54gg).Passed committee

What it would do: Beginning January 1, 2026, exempts the sale of eligible fuel (motor fuel, alternative fuel, and leaded racing fuel) from sales tax, except for certain aviation fuels and fuels used for heating, cooling, or ventilation purposes.

HB 4426Transportation: carriers; age requirement to operate a commercial motor vehicle; modify. Amends sec. 2d of 1963 PA 181 (MCL 480.12d).Passed chamber

What it would do: Amends the Motor Carrier Safety Act to allow individuals at least 18 years old to operate commercial motor vehicles for intrastate property or passenger transportation, and individuals at least 21 years old to operate vehicles transporting hazardous materials requiring placarding.

HB 4203Traffic control: traffic regulation; seasonal weight restrictions; revise exemption for tow truck, wrecker, or road service vehicles under certain circumstances. Amends sec. 722 of 1949 PA 300 (MCL 257.722).Passed chamber

Introduced or inactive

1

HB 4862State agencies (proposed): authorities; use of grant funds and issuance of revenue bonds; modify. Amends title & secs. 2, 8, 9, 10, 13, 14, 14a, 16, 18, 20, 23, 24 & 25 of 1978 PA 639 (MCL 120.102 et seq.) & adds sec. 19a.In committee

What it would do: Amends the port authority act to expand port authorities' powers to enter into ancillary financing facilities like swaps and credit agreements, redefine port and related facilities, allow public-private partnerships, and modify budget and planning requirements.

Bill titles link to the Michigan Legislature's own page.

What LawSignals covers

What counts as transportation legislation

In scope: Motor carriers and commercial drivers; truck size, weight and road use; truck and fleet emissions; hazardous materials transport; freight rail; ports, maritime and freight corridors; warehouses and delivery; and autonomous trucks and delivery devices.

Questions

Does Michigan have a transportation law?

Yes. Michigan enacted 1 transportation law in the 2025 and 2026 sessions, among them SB 52. Each is listed on this page with what it requires.

Which transportation bills are moving in Michigan?

8 bills not yet law have passed a committee or a chamber, the furthest along SB 959 (passed committee), SB 958 (passed committee) and HB 5433 (passed committee).

What does Michigan legislate on most in transportation?

Truck size, weight and road use (4 bills), Motor carriers and commercial drivers (3 bills) and Freight rail (2 bills).

Are these summaries reviewed by a lawyer?

No. Which bills count as Transportation bills, and the line on what each law requires or each bill would do, are drafted by software from the bill's own text and not reviewed by an attorney. Every bill links to the legislature's own record: read the text before relying on it. The list covers bills from the 2025 and 2026 sessions.

Know when Michigan's transportation law changes

An alert when a bill moves, and one report a month on what changed in every state and Congress.