Do I need a USDOT number to operate intrastate in Michigan?
It depends on the truck, and Michigan draws the line in an unusual place. Under MCL 480.11a Michigan adopts 49 CFR parts 40, 356, 365, 368, 371–373, 375, 376, 379, 382, 383, 385, 387, 390–393 and 395–399, and instructs that “where ‘interstate’ appears, it means intrastate or interstate, or both, as applicable”. Read that far and Michigan looks like Ohio or New York.
Then subsection (3) moves the trigger. It provides that the adoption does 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 — that is, broadly, a vehicle under 26,001 lbs GVWR or GCWR that is not placarded for hazardous materials and is not designed to carry 16 or more passengers. The provision was added by 2012 PA 231. So for intrastate work the whole federal file — hours of service, the ELD mandate, drug and alcohol testing, the annual inspection — begins at the CDL line rather than the usual 10,001 lbs.
The Michigan State Police apply the same number at the counter. On the Regulatory & Credentialing Section page, the requirements for approval of an intrastate authority application include a “valid application for a USDOT number, if applicable (required if the GVWR is over 26,001 lbs.).”
One honest caveat, the same one this series flagged for Illinois and New York: no Michigan statute says in terms that intrastate carriers must obtain a USDOT number. The requirement arrives through the adoption of Part 390 and through the authority application, and that is how this page states it.
The rules that don’t switch off below 26,001 lbs
MCL 480.11a(3) ends with one more sentence, and it is the most consequential sentence on this page: “A vehicle to which subsection (1)(b) does not apply under this subsection remains subject to 49 CFR parts 391 through 393.”
So the smaller intrastate vehicle is not unregulated. What it is outside of:
- Part 382 — drug and alcohol testing, including the random pool.
- Part 395 — hours of service, records of duty status, and the ELD mandate.
- Part 396 — inspection, repair and maintenance, which takes the §396.17 annual inspection and the §396.11 driver vehicle inspection report with it.
What it is still inside of:
- Part 391 — driver qualification.
- Part 392 — driving of commercial motor vehicles.
- Part 393 — parts and accessories necessary for safe operation.
Georgia, covered earlier in this series, reaches below the federal line to pull small for-hire vehicles in. Michigan raises the line and then leaves a floor underneath it. The practical effect is similar and the mechanism is the opposite.
Where this page stops. Part 391 carries its own exemptions and its own definitions, and no Michigan source located in research resolves how far they narrow this in practice — whether, say, a Michigan intrastate operator of a 12,000-lb for-hire van owes a complete §391.51 driver qualification file. The statute is clear that Part 391 applies; the operational detail is a question for MSP’s Regulatory and Credentialing Section at 517-284-3250. Ask before you assume you are exempt.
Which agencies regulate motor carriers in Michigan?
Michigan concentrates more of this in one agency than most states do — and the statutes have not caught up to that fact:
- Michigan State Police, Commercial Vehicle Enforcement Division (CVED) — the MCSAP lead agency: roadside inspections, compliance reviews, new-entrant safety audits, intrastate operating authority, the UCR program, and intrastate medical waivers. Regulatory and Credentialing Section: 517-284-3250 (option 4, then 1), MSP-CVED-RCS@michigan.gov; UCR is option 4, then 2.
- Michigan Secretary of State — plates and registration, including IRP apportioned registration. Commercial plates are priced on the maximum elected gross vehicle weight.
- Michigan Department of Treasury — IFTA licensing and the motor carrier fuel tax. (517) 636-4580.
- Michigan DOT — oversize and overweight permits, and hazardous materials routing under Part 397.
There is no public service commission in the picture, and the statutes still say there is. E.R.O. No. 2015-3, effective May 18, 2015, transferred the Public Service Commission’s authority under both the Motor Carrier Act (1933 PA 254) and the Motor Carrier Safety Act (1963 PA 181) to the Michigan State Police, including final agency decisions. The statutory text was never conformed, so MCL 478.2 still assigns the fee work to “the commission.” When you read the Motor Carrier Act, read “the commission” as MSP.
What’s different about compliance in Michigan?
- A registration surcharge pays for free carrier training. MCL 257.801 routes $15.00 of every commercial vehicle registration into the truck safety fund, and MCL 247.675 — the 1988 statute that created the fund and the 11-member Michigan Truck Safety Commission inside MSP’s Office of Highway Safety Planning — dictates where it goes: at least 30% and at least $1,000,000 to “establishing truck driver safety education programs,” and at least $750,000 to “special transportation enforcement team operations within the motor carrier division.” The education half is delivered by the Michigan Center for Truck Safety, whose programs are funded by the fund and offered to carriers at no cost, including workshops and on-site visits for new entrants. MSP describes the commission as the only organization of its kind in the nation. Georgia requires a safety seminar to register; Michigan pays for the training and lets you take it.
- The truck-weight law is built on axles, not gross weight. MDOT puts it plainly: “Michigan has a unique system of truck-weight law based on maximum axle loadings, not gross vehicle weight.” MCL 257.722 sets per-axle maximums by spacing — 18,000 lbs at 9 feet or more, 13,000 lbs between 3½ and 9 feet, 9,000 lbs under 3½ feet — while subsection (12) applies the federal 80,000-lb cap and bridge formula on interstate and designated highways. Off those highways the total scales with axle count, which is why MDOT reports that since 1967, with axles capped at eleven, per-axle limits “have resulted in a maximum gross vehicle weight of 164,000 pounds.” That figure is a consequence of the axle schedule, not a number written in the statute.
- Spring weight restrictions are statutory. During March, April and May, MCL 257.722(8) cuts maximum axle loads by 25% on concrete and 35% on other roads, with carve-outs for agricultural commodities and public utility vehicles. Plan loads and delivery commitments around it.
- Intrastate medical waivers go to a statutory board. Under MCL 480.13 a driver not physically qualified under §391.41 but otherwise qualified may drive intrastate on a waiver. The mechanics matter to the carrier: the application is submitted jointly by the driver and the employing carrier and signed by both; it must carry at least two §391.43 medical examination reports from the preceding 60 days plus a copy of the §391.21 employment application; the waiver authorizes driving only while employed by the carrier that joined the application; and it lasts no more than two years. MSP adds that there is no fee, that the medical certificate must be marked “accompanied by a waiver,” that the driver may not operate until it is granted, and that an initial application may require driver and carrier to appear before the board. Waivers are no longer granted for insulin-treated diabetes or vision — federal §391.46 and §391.44 now cover both. MSP medical waivers page.
- A standing intrastate hours-of-service variance for seasonal construction. MCL 480.15(7) caps a driver “engaged in seasonal construction-related activities” for a carrier operating entirely within Michigan at 12 hours driving, 16 hours on duty, and 70 hours in 7 days or 80 in 8. Unlike Georgia’s comparable variance, which exists only during periods the commissioner specifies, Michigan’s sits in the statute year-round. Everything else follows the adopted Part 395.
- Farm and utility carve-outs are specific. MCL 480.15 puts farm vehicle drivers outside §391.21, §391.23, §391.31, Part 395 and the medical certificate requirements; implements of husbandry outside the act entirely; and public utility, telephone and cable employees who are not regularly employed drivers and are not in a Part 383 vehicle outside the driver-qualification provisions.
- Intrastate-only carriers file no fuel tax return. Worth stating because the opposite is widely assumed. MCL 207.211 excludes “a road tractor, truck, or truck tractor used exclusively in this state” from the definition of a qualified commercial motor vehicle, and defines “motor carrier” as one operating in Michigan and at least one other state or province, or holding an IFTA licence. Michigan’s Motor Carrier Fuel Tax Act is the companion to IFTA for interstate carriers, not an intrastate substitute. A Michigan-only carrier pays fuel tax at the pump.
- No Employer Pull Notice equivalent. No state driver-record monitoring program was identified; the federal §391.25 annual MVR review is the floor.
What does intrastate operation cost?
For an intrastate for-hire carrier, Michigan runs one of the more expensive state layers in this series:
- CVED Authority (Motor Carrier Act) annual fee. $100.00 per self-propelled intrastate motor vehicle, per year (MCL 478.2). $50.00 for a vehicle first put into service after June 30 with no fee already paid for it that year; $50.00 for trucks used exclusively for household goods or for intrastate nonconsensual towing by a UCR carrier; $10.00 to replace an identification; $10.00 for a temporary 72-hour permit. A carrier may not operate while any fee under the act is unpaid. MSP also requires processing and decal fees at approval; those amounts are not published on the CVED page — confirm them when you apply.
- The renewal window, and the cliff. Renewals run October 1 to December 1 each year, with notices mailed in the fall. Per MSP, failure to renew by January 1 results in revocation of your CVED Authority. Everyone operating intrastate renews — general commodities and wreckers included — as do all household goods carriers, interstate and intrastate. Interstate carriers hauling only general commodities do not renew as long as they stay current on UCR.
- Unified Carrier Registration (UCR). Michigan is a participating state and MSP administers it. Per the UCR Plan’s 2026 schedule: $46.00 (0–2 vehicles), $138.00 (3–5), $276.00 (6–20). Source: UCR Plan fee brackets.
- Registration. Priced on elected gross vehicle weight under MCL 257.801, on a schedule that runs past 160,000 lbs. Michigan is an IRP base jurisdiction; its own worked example puts the Michigan portion at $1,992 a year for an 80,000-lb power unit before apportionment by mileage share. Remember that $15 of each commercial registration is the truck safety fund deposit.
- Insurance filing. A certificate of liability and a Form E filed by your insurer are conditions of CVED Authority approval, plus a Form H for household goods carriers. MSP publishes no dollar minimums, and this page does not assert any — ask the Regulatory and Credentialing Section.
- Workers’ compensation. Unusually, proof of workers’ compensation insurance — or an approved exclusion form from the Workers’ Compensation Agency — is itself a condition of approval, alongside business filings with LARA or the county clerk.
- IFTA. Interstate carriers only. Quarterly returns are due April 30, July 31, October 31 and January 31, must be filed electronically, and are due even for a quarter with no activity.
- Weight-mile / ton-mile tax. None.
- Emissions testing. None — Michigan has no motor vehicle emissions inspection program.
- Federal Heavy Vehicle Use Tax (Form 2290). Vehicles at or above 55,000 lbs owe HVUT to the IRS.
How are state-level audits and inspections handled?
State audits. MSP’s Commercial Vehicle Enforcement Division is the MCSAP lead agency and conducts new-entrant safety audits and compliance reviews on the federal §385 Subpart D framework — driver qualification, hours of service, vehicle maintenance, the accident register, and the drug-and-alcohol testing program, within the 18-month new-entrant monitoring window. The Michigan Center for Truck Safety offers new entrants free workshops, seminars and on-site visits aimed squarely at that audit — paid for by the truck safety fund, which means by the $15 on every commercial registration. It is the cheapest audit preparation available in any state in this series, and it is worth using.
Records on demand — and a 10-day clock if your office is out of state. MCL 480.16 requires carriers to submit, upon demand, “all their transportation safety related documents, such as all records and information pertaining to any accident, drivers’ records of duty status, bills of lading, shipping records, driver time and payroll records, driver qualification records, vehicle maintenance records, and equipment for inspection or copying during regular business hours” to any MSP motor carrier division enforcement member with valid identification. A carrier operating in Michigan whose main office is in another state or province must produce them within 10 working days of formal notification. This is the Michigan rule that most rewards keeping files organized before anyone asks.
Penalties. Violations of the Motor Carrier Safety Act are state civil infractions carrying a fine of up to $250 per violation; operating in violation of an out-of-service order carries up to $500 (MCL 480.17). Separately, an unrenewed CVED Authority is revoked after January 1, and no vehicle may operate while act fees are unpaid.
Inspections. There is no state periodic inspection for a freight fleet. FMCSA’s Motor Carrier Safety Planner does list Michigan among the states with a §396.23 equivalent program, but the entry reads “Michigan (bus inspection program)” — buses only. For trucks the §396.17 annual inspection stands alone, arranged and documented by you.
One retention trap worth setting a reminder for. Michigan Treasury states it directly: licensed IFTA carriers must keep vehicle records four years from the return’s due date or filing date, and — in Treasury’s own words — “although DOT/FMCSA only requires 6 months of record keeping, you must maintain your fuel and mileage records for IFTA and IRP purposes for a minimum of 4 years.” A carrier purging on the federal clock is out of compliance on the tax clock.
The practical defenses are the federal ones plus two Michigan habits: current annual-inspection reports (§396.17), a real DVIR routine (§396.11), maintenance files that show the work (§396.3), complete driver qualification files (§391.51), accurate duty-status records (§395.8) — and the CVED Authority renewal filed inside the October–December window, because a revoked authority on January 2 is the cheapest deadline in this state to miss.