Motor carrier classes by state
Michigan writes a weight line into its safety act and then, in the very next sentence, refuses to let go of what falls below it. A vehicle that drops out of the adopted federal package intrastate “remains subject to 49 CFR parts 391 through 393” by express words. Driver qualification, the driving rules and the equipment rules all continue. What comes off is the hours rule and the general apparatus around it — and that subtraction is the whole of the concession.
Everything about light-combination hauling that is identical in every state — the compressed dispatch window, the securement duty on mixed freight, the way a single high-value load overruns a cargo limit written against an average one — belongs to the class and is set out on the hot shot trucking insurance page rather than repeated here.
What Michigan contributes is a subtraction with a savings clause attached, and the savings clause is the part that gets lost in every summary. MCL 480.11a(3) removes a large block of adopted federal regulation from an intrastate vehicle below a defined line, and then adds a sentence putting three parts back. The result is not an exemption. It is a smaller regime, and the parts that survive are the ones an underwriter cares about most.
There is a second thing about Michigan that most accounts get wrong in the opposite direction, and it moves the answer further than the weight line does. The duty to hold operating authority in this state does not have a weight in it at all. MCL 476.1 forbids a motor carrier of general commodities to operate on any public highway without first obtaining a certificate of authority from the commission, and says nothing about pounds. So the first obligation to attach to a for-hire Michigan operation attaches at the first paid load, not at any rating.
Every figure below is attributed to the section that sets it, and every quotation was re-read on the date shown. The pages that carry them state their own currency: complete through Public Act 91 of 2026.
Running a gooseneck inside Michigan under twenty-six thousand pounds and told the state does not reach you? The act says the opposite in one sentence: what falls out of the adoption remains subject to 49 CFR parts 391 through 393.
Send the ratings of the power unit and the trailer, and tell us whether the operation holds a certificate of authority from the commission. In Michigan the second answer is the one that decides more.
MCL 480.11a(3) reads in full: “Except as otherwise provided in this subsection, subsection (1)(b) and sections 5(8) and 6(1) do not apply to a vehicle that is not a commercial motor vehicle as defined in 49 CFR 383.5 and that is operated in intrastate commerce as defined in 49 CFR 390.5. A vehicle to which subsection (1)(b) does not apply under this subsection remains subject to 49 CFR parts 391 through 393.”
Two sentences, and the second one reverses most of what a reader takes from the first. The first sentence switches off subsection (1)(b) — the whole adopted safety package — for an intrastate vehicle below the commercial-motor-vehicle line. The second sentence puts three parts back by name and by number.
Parts 391, 392 and 393 are the driver-qualification part, the driving part and the parts-and-accessories part. For a light combination running paid freight inside Michigan, that means the driver-qualification file continues to be a real file. The medical examiner’s certificate that sits inside Part 391 is not switched off by this subsection. The driving rules continue. The equipment standards continue.
An account described to an underwriter as “exempt in Michigan because it is under twenty-six thousand and one” is misdescribed, and the misdescription runs in the direction that produces the worst surprise: the operator believes the driver file is optional, the file is thin or absent, and the parts that were never switched off are the parts a plaintiff’s counsel reads first.
The subsection opens with a qualifier that is easy to skim and is doing structural work: “Except as otherwise provided in this subsection.” It is the hook by which the savings sentence at the end operates on the exclusion at the beginning. The exclusion is drafted as subject to its own exception, which is why the savings sentence is not an afterthought sitting outside the rule but a condition inside it.
Subsection (1)(b) is a long list, and understanding what falls away means reading it. Michigan adopts “Motor carrier safety regulations under 49 CFR parts 40, 356, 365, 368, 371 through 373, 375, 376, 379, 382, 383, 385, 387, 390 through 393, 395 through 399 including the appendices of each part,” subject to five substitutions and one exclusion set out beneath it.
Strike out 391 through 393, which the savings sentence preserves, and what leaves the picture for a sub-line intrastate vehicle is everything else on that list. The largest single item is Part 395, the hours-of-service part. A light combination in this posture is outside the hours rule as a matter of Michigan’s own act.
Also leaving are the general applicability part, the inspection and maintenance part, the hazardous materials routing and driving part, the migrant worker part and the employee safety part — 390, 396, 397, 398 and 399 respectively — along with the controlled substances and testing part, the commercial driver license compliance part, the safety fitness part, the lease and interchange part, and the drug and alcohol testing procedures part.
That is a genuine and substantial relief, and it is worth being exact about its practical shape. The operator has no state-imposed duty record and no state-imposed periodic inspection obligation under this act for that vehicle, but does have a qualified-driver duty, a driving-conduct duty and an equipment duty. The file that results is unusual: light on process, unchanged on the driver and the truck.
Michigan also excludes one federal construct outright, and it does so in a sentence that stands apart from the substitutions around it. MCL 480.11a(1)(b)(vi), verbatim: “Exempt intracity zones and the regulations applicable to exempt intracity zones do not apply to this act.” The federal apparatus that lets certain municipal-area operations be treated differently simply does not exist inside Michigan’s adoption. An operator working a tight urban footprint who expects that relief will not find it here.
This is the cross-read that changes the answer, and it is only visible if the list and the exclusion are read against each other rather than separately.
Part 387 — the financial-responsibility part — is inside subsection (1)(b). It is named in the adopted list alongside the safety parts. And subsection (3) switches off subsection (1)(b) as a whole for an intrastate vehicle below the commercial-motor-vehicle line, preserving only 391 through 393 by the savings sentence.
So the part that would otherwise carry the financial-responsibility schedule into Michigan intrastate operation comes off for exactly the vehicle this page is about, while the driver, driving and equipment parts stay on. Michigan’s safety act keeps the qualification obligation and lets go of the minimum-limits obligation, for the same truck, in the same subsection.
That is a genuinely unusual arrangement and it produces an unhelpful result for an operator reasoning from the act alone: the statute that tells them their driver must be qualified is silent about what the policy has to be worth. The answer to the limits question therefore has to come from somewhere else, and in Michigan the somewhere else is the operating-authority side of the law rather than the safety side.
MCL 476.3(1) makes proof of insurance a condition of the certificate application: each application “shall be accompanied by the required fees, proof of insurance before operations are commenced, and all other things required by law and the rules of the commission.” The same subsection requires the application to state “that the vehicles of the applicant have passed an inspection within the immediately preceding 12 months under the motor carrier safety act of 1963,” which is a neat demonstration of how the two Michigan acts are stitched together — the economic act conditions itself on compliance with the safety act.
The amount those policies must carry is set by the commission rather than by statute, and the section granting that power is examined below, because what has happened to it is the most surprising fact on this page.
Send the certificate-of-authority status, the Part 391 driver file as it currently stands, and the ratings of the power unit and heaviest trailer separately. In Michigan those three answers settle both layers of the question before any coverage discussion starts.
The obligation that attaches first to a Michigan for-hire operation is not a safety obligation, and it does not ask what the rig weighs.
MCL 476.1, verbatim: “A motor carrier of general commodities shall not operate any motor vehicle in for-hire transportation on any public highway in this state except in accordance with this act. A motor carrier of general commodities shall not operate upon any public highway without first having obtained a certificate of authority from the commission.”
There is no rating in either sentence. The class it binds is defined at MCL 475.1(r): “‘Motor carrier of general commodities’ means a person that is an authorized for-hire motor carrier, either directly or through any device or arrangement, of property other than household goods upon or over a public highway.” “General commodity” is defined at MCL 475.1(j) as any property other than household goods, hazardous materials or passengers — which is a fair description of the ordinary contents of a hot shot deck.
Two phrases in that definition deserve attention. The first is “authorized,” which makes the definition slightly circular on its face: the person bound by the certificate requirement is defined as one who is authorized. The second is “either directly or through any device or arrangement,” which is expanded at MCL 475.1(z) into a deliberately wide formula covering “any and all methods, means, agreements, circumstances, operations, or subterfuges under which a person undertakes for hire to conduct, direct, control, or otherwise perform the transportation by motor vehicle of property upon the public highways of this state.” Michigan wrote that clause to make the duty hard to arrange around, and it does not become easier to arrange around at a lower weight.
The application process itself is short and is framed as a fitness enquiry rather than a market-entry test. MCL 476.2 provides that the commission, on the filing of an application, “shall ascertain and determine, under reasonable rules as it promulgates, whether to issue the certificate of authority.” MCL 475.1(g) defines the standard: “‘Fit’, as applied to a proposed motor carrier service, means safe, suitable, and financially responsible as determined by the commission.” Safe, suitable, financially responsible — those are the three questions, and none of them is about weight either.
Michigan attaches a recurring cost to the authority per vehicle rather than per carrier. MCL 478.2(1) directs the commission to assess and collect “an annual fee of $100.00 for each self-propelled intrastate motor vehicle operated by or on behalf of the motor carrier,” reduced to $50.00 for a vehicle first operated after June 30 that has not previously carried the fee, with a $10.00 replacement identification fee when identification is surrendered and reissued.
Michigan uses the term “commercial motor vehicle” in more than one place and does not give it one meaning. This is worth mapping, because the natural reading — that a state means one thing by a term — produces wrong answers here.
In the safety act, the term arrives by reference to a federal definition and it is the one that draws the weight line: MCL 480.11a(3) turns on whether a vehicle “is not a commercial motor vehicle as defined in 49 CFR 383.5.” That is the licensing-side federal definition, and it is the definition that decides whether subsection (1)(b) applies.
In the motor carrier act, the same phrase is defined by reference to a completely different source. MCL 475.1(d): “‘Commercial motor vehicle’ means that term as defined in 49 USC 14504a.” That is a registration-side federal statute, not the safety-side regulation, and it is not the same test.
And the intrastate-commerce condition in MCL 480.11a(3) points at yet a third source — “intrastate commerce as defined in 49 CFR 390.5” — while the same section defines “medical examiner” by pointing at 390.5 as well and defines “emergency” by pointing at 49 CFR 390.5(1).
The practical discipline that follows is to ask which act a sentence is in before deciding what its words mean. A conclusion drawn from the safety act’s weight line does not transfer to the motor carrier act’s duties, and the operating-authority obligation at MCL 476.1 does not contain the term at all. That is why the authority question and the safety question have different answers for the same truck on the same day.
Michigan does not adopt a printed edition of the federal regulations. MCL 480.11a(1) opens: “This state adopts the following provisions of title 49 of the code of federal regulations on file with the office of the secretary of state, except where modified by this act.”
Two features of that sentence matter. The first is that the incorporation is by deposit rather than by date. There is no “revised as of” clause anywhere in the section, no year, and no Federal Register citation. What governs is whatever is on file with that office, and the section does not say when it was filed or when it is refreshed.
The second is the hedge that follows the comma: “except where modified by this act.” That qualifier travels with every one of the adopted parts and is the hook for the five substitutions and the one exclusion that sit beneath the adopted list — the agency-name substitutions at (1)(b)(i) and (iii), the interstate-to-intrastate reading at (1)(b)(ii), the two form substitutions at (1)(b)(iv) and (v), and the exempt-intracity-zone exclusion at (1)(b)(vi).
The mechanism by which any of this reaches an operation that never leaves Michigan is the second of those. MCL 480.11a(1)(b)(ii), verbatim: “Where ‘interstate’ appears, it means intrastate or interstate, or both, as applicable, except as specifically provided in this act.” Federal safety law reaches interstate operation of its own force; this sentence is what extends the adopted text inward.
The section itself has a datable history even though its adoption does not. MCL 480.11a was added by 1973 Act 171, effective March 29, 1974, and last amended by 2018 Act 559, effective March 28, 2019. A compiler’s note records the transfer of the powers and duties of the public service commission under the safety act to the Michigan state police by Executive Reorganization Order No. 2015-3, which is why the substitutions in subsection (1)(b) name the department of state police where the federal text names federal bodies.
This page therefore reports the adoption date question as open rather than answering it. The statute names a filing rather than an edition, and the date held by the receiving office was not obtained. Reporting an edition date Michigan does not state would be an invention, and reporting no date at all would suggest the adoption is ambulatory when the text does not say that either.
The most unusual thing in Michigan’s treatment of cargo is not an absence. It is a live statutory command with no implementing rules left underneath it.
MCL 479.9(1), verbatim: “The commission has full power and authority to make and shall make insurance or bond requirements for intrastate-only motor carriers of general commodities and motor carriers of household goods as it deems necessary to protect the interests of the public.” That is a mandatory verb — shall make — directed at exactly the class this page is about, and the section was last amended by 2014 Act 493, effective April 1, 2015.
The rule set that implemented it no longer exists. Part 11 of the motor carrier rules, the insurance part, was rescinded in its entirety in 2018. Six rule numbers stand in the current code with the word “Rescinded” and a history line and nothing else. The research read of the current official code also confirmed that this was specific rather than general: the rule set still carries a large number of live rules on other subjects, so the rescission is a decision about the insurance part rather than a repeal of the whole book.
What was lost is worth knowing because of what it was, rather than what it was worth. The rescinded cargo rule never carried a dollar figure at all. It required a carrier other than a contract carrier to keep in force cargo insurance in an amount sufficient to cover and protect all property received for transportation to the extent the carrier is liable under any law applicable to it — a liability-measured standard rather than a minimum. It is recorded here as history, not as live law, and no operator should treat it as a current obligation.
So a Michigan general-freight operator today has a statute saying the commission shall make insurance requirements, a certificate application that requires proof of insurance before operations commence, and no published insurance rule part to read. The practical answer is that the amounts come from the commission’s current filing practice and from the contract stack rather than from a rule an operator can look up, and that is a fact about the state rather than a gap in this page.
MCL 479.9(2) adds a separate and quite specific obligation that operators in this class frequently miss: a motor carrier subject to the act “must demonstrate compliance with the worker’s disability compensation act of 1969,” and must do so to the commission upon initial application for operating authority, and again upon request of the commission if the carrier’s worker’s compensation insurance has lapsed. Subsection (3) directs the commission to work with the worker’s compensation agency to implement it. A single-truck operation that has never carried that cover has a live question at application, not at audit.
The recurring costs of holding Michigan authority are per-vehicle and calendar-driven, and one of them can end the authority rather than merely cost money.
MCL 478.2(1) sets the annual fee at $100.00 for each self-propelled intrastate motor vehicle operated by or on behalf of the motor carrier, halved to $50.00 for a vehicle put into service after June 30 that has not previously carried the fee that year, with a $10.00 fee for a replacement identification when the allocated identification is surrendered. The fee follows vehicles rather than the carrier, which means a fleet that grows mid-year grows its fee obligation with it.
The definition of what carries the fee is narrower than it looks. MCL 475.1(m) defines “intrastate motor vehicle” as a motor vehicle operated by either an intrastate-only motor carrier of property or a motor carrier using it to transport household goods on an intrastate basis, and MCL 475.1(n) defines “intrastate-only motor carrier of property” as a motor carrier of property that is not a carrier under the national unified registration program. So the fee reaches the purely intrastate operator and steps aside for the carrier already inside the national system.
That same distinction carries a consequence with teeth. MCL 478.2(2) provides that the commission “shall revoke the intrastate authority of a UCR carrier that fails to renew its annual UCR registration by January 1.” A national registration lapse is not a national problem only; in Michigan it is a state revocation event with a fixed date attached to it.
For an operation of this size, that is the compliance date most worth putting in a calendar. It does not depend on the weight of anything, it does not depend on which safety list the vehicle is on, and its consequence is the loss of the instrument that MCL 476.1 makes a precondition of operating at all.
Pulling the strands together produces a picture of Michigan that is genuinely two-layered, and the layers do not agree about where anything starts.
On the safety layer, the line is the commercial-motor-vehicle definition and the answer below it is a reduced package rather than nothing. Parts 391, 392 and 393 continue by an express savings sentence; the hours part, the financial-responsibility part and the rest of the adopted list come off.
On the authority layer, there is no line. A motor carrier of general commodities may not operate on any public highway without a certificate, the definition of that class contains no weight, and the anti-avoidance formula around it is drawn as widely as Michigan’s drafters could manage. The obligation attaches at the first paid load.
Those two answers can be true of the same rig on the same afternoon, and usually are. An operator can be simultaneously outside most of the safety package and squarely inside the certificate requirement, and the intuition that a lighter truck means a lighter regime is correct on one layer and wrong on the other.
The reason this matters more here than the arithmetic suggests is the direction of the two errors. Believing the safety carve-out is wider than it is produces a missing driver file. Believing the authority duty has a weight in it produces an unauthorized operation. Neither error is visible from inside the business until something external makes it visible — a roadside inspection for the first, an application or a claim for the second.
There is no rate table for this class and no honest way to produce one from a page. What follows is the material that gets read before a number exists.
Certificate status is first and it is binary. Either the operation holds a certificate of authority from the commission or it does not, and MCL 476.1 does not offer a third position. An operation running paid general commodities on Michigan highways without one is not a lower-rated risk; it is a differently characterized one, and the characterization surfaces at the worst possible moment.
The driver file is second, and it is second precisely because of the savings sentence. Part 391 continues to apply below the line, so a Michigan intrastate file for this class should contain what Part 391 asks for, including the medical certificate. A file that is thin because the operator believed the state had let go is the most common defect on this class in this state.
Gross combination weight rating is third, and it decides which side of the safety line the vehicle sits on. It is a combination fact rather than a power-unit fact: the heaviest trailer actually hitched is what settles it, and hitching a heavier trailer changes the answer on the day it happens with nothing announcing the crossing.
Hours records are fourth and they are an evidence question rather than a compliance question for a sub-line intrastate vehicle. The hours part comes off, so there is no state duty to produce a record. Whether a record exists anyway changes how a defensible account looks after a loss, and it changes what an underwriter can see about how the operation actually runs.
Worker’s compensation status is fifth, because MCL 479.9(2) makes it a condition of the authority application rather than a separate commercial decision.
And the contract stack sits underneath everything. Whether the operation runs on its own certificate or under another carrier’s, what a shipper agreement requires by way of additional-insured and primary-and-non-contributory wording, and whether a waiver of subrogation has been given, are all terms that change the program without changing a fact about the truck.
One Michigan-specific date belongs on the list on its own: the January 1 national registration renewal, because a lapse there revokes the state authority by statute rather than merely inviting a penalty.
Two questions about Michigan were left open on the verification date and are named here rather than papered over.
The first is the edition of the federal text. MCL 480.11a(1) adopts the provisions “on file with the office of the secretary of state,” and the date of that filing was not obtained. This page therefore does not report an edition date for Michigan and does not report the adoption as ambulatory, because the statute supports neither characterization on its face.
The second is the current amount of the insurance the commission requires. MCL 479.9(1) commands the commission to make insurance requirements; the rule part that implemented that command was rescinded in its entirety in 2018 and stands in the current code as six rescinded numbers. No published rule figure exists to quote, and this page does not quote the rescinded one, which in any event was a liability-measured standard rather than a minimum.
What is settled is the shape. The safety line is the commercial-motor-vehicle definition, and below it three parts survive by express words. The authority duty has no weight in it. The fee is per intrastate vehicle. The national registration renewal date is a revocation trigger. Those four facts were read verbatim this pass, on pages carrying their own currency line, and they are the four that decide how a Michigan account is put together.
The state minimum is a licensing threshold. The program an operator actually needs is built from these lines:
We write hot shot and expedited hauling as a named class rather than as an exception to general trucking, and we read each account against the weight and authority regime of the state it operates in. For a Michigan operator that means starting from the rating of the power unit and the trailer separately rather than from the combination, sizing cargo against the heaviest load actually carried rather than the average one, and treating the state line as a rating fact because a single crossing can change which driver file the operation owes.
If the operation also runs freight under separate authority, the Michigan trucking insurance page covers the state’s broader motor carrier picture, and the hot shot trucking insurance page covers the class mechanics that apply wherever the operator runs.
No, and the act says so expressly. MCL 480.11a(3) provides that a vehicle to which subsection (1)(b) does not apply “remains subject to 49 CFR parts 391 through 393.” Those are the driver-qualification, driving, and parts-and-accessories parts. What comes off for an intrastate vehicle below the commercial-motor-vehicle line is the rest of the adopted list — including the hours-of-service part — not the whole regime.
Part 391 continues to apply to that vehicle by the express savings sentence in MCL 480.11a(3), and the medical examiner’s certificate requirement sits inside Part 391. Michigan’s safety act does not switch it off for a sub-line intrastate vehicle. The act also defines “medical examiner” for its own purposes by reference to 49 CFR 390.5, which is a further indication that the qualification apparatus is meant to keep running.
Part 395 is adopted by MCL 480.11a(1)(b) and read into intrastate operation by the substitution at (1)(b)(ii), but subsection (3) removes the whole of subsection (1)(b) from an intrastate vehicle that is not a commercial motor vehicle as defined in 49 CFR 383.5, and the savings sentence preserves only Parts 391 through 393. Part 395 is not among the three. A carrier that keeps duty records anyway is holding evidence rather than complying with a state rule.
It does not use a weight. MCL 476.1 provides that a motor carrier of general commodities “shall not operate upon any public highway without first having obtained a certificate of authority from the commission,” with no rating in the sentence. MCL 475.1(r) defines the class by reference to for-hire carriage of property other than household goods, and MCL 475.1(z) extends it through “any and all methods, means, agreements, circumstances, operations, or subterfuges” by which a person undertakes such transportation for hire.
MCL 478.2(1) directs the commission to assess an annual fee of $100.00 for each self-propelled intrastate motor vehicle operated by or on behalf of the motor carrier, reduced to $50.00 for a vehicle first operated after June 30 that has not previously carried the fee, with a $10.00 fee for a replacement identification where the allocated identification is surrendered. The fee attaches per vehicle, so it moves when the fleet does.
Yes, and it is a revocation rather than a penalty. MCL 478.2(2) provides that the commission “shall revoke the intrastate authority of a UCR carrier that fails to renew its annual UCR registration by January 1.” Because MCL 476.1 makes the certificate a precondition of operating at all, a missed renewal on that date removes the instrument the operation runs on.
There is no published rule figure. The rule part that carried the cargo requirement was rescinded in its entirety in 2018 and now stands in the current code as rescinded rule numbers with history lines. The statutory command survives: MCL 479.9(1) provides that the commission “has full power and authority to make and shall make insurance or bond requirements for intrastate-only motor carriers of general commodities and motor carriers of household goods as it deems necessary to protect the interests of the public.” A live mandatory duty with no implementing rules underneath it is an unusual position and it is the accurate description of this state.
Yes, as a condition of the certificate rather than as a free-standing filing rule. MCL 476.3(1) requires each application for a certificate of authority to be accompanied by the required fees, “proof of insurance before operations are commenced, and all other things required by law and the rules of the commission,” and to state that the applicant’s vehicles have passed an inspection within the immediately preceding twelve months under the motor carrier safety act of 1963.
There is. MCL 479.9(2) provides that a motor carrier subject to the act must demonstrate compliance with the worker’s disability compensation act of 1969, and must do so to the commission upon initial application for operating authority and again upon the commission’s request if the carrier’s worker’s compensation insurance has lapsed. Subsection (3) directs the commission to work with the worker’s compensation agency to implement it.
The statute does not name one. MCL 480.11a(1) adopts the listed provisions of title 49 “on file with the office of the secretary of state, except where modified by this act.” That is incorporation by deposit rather than by date, and the filing date held by that office was not obtained on the verification date, so this page reports the question as open rather than supplying an edition year Michigan does not state.
No, and it says so in one sentence. MCL 480.11a(1)(b)(vi) provides that “exempt intracity zones and the regulations applicable to exempt intracity zones do not apply to this act.” An operator working a tight municipal footprint and expecting the federal treatment that goes with those zones will not find it inside Michigan’s adoption.
No table exists and any number offered without seeing the operation would be invented. What an underwriter reads is whether a certificate of authority is held, the state of the Part 391 driver file that the savings sentence keeps in force, the gross combination weight rating measured on the heaviest trailer actually used, whether duty records exist even though the hours part comes off, worker’s compensation status, the per-vehicle fee and national renewal position, the commodity mix and the value of the heaviest load, and the additional-insured and waiver terms flowing down from shipper agreements.
Every figure on this page was read at the source below on September 1, 2026, with the effective date of the version read. Treat each as current as of that date rather than as permanent.
Send the power unit and trailer ratings separately, the radius distribution, and whether any dispatch crosses a state line. We will size the program against the work the trucks actually do rather than against a statutory floor.
