Michigan oversize & overweight permits
Legal limits, escort thresholds and permit fee notes for hauling oversize or overweight loads through Michigan (MI). Use the calculator to price your exact load and route.
Legal limits (no permit needed up to)
Pilot car & police escorts
How Michigan charges permit fees
Overweight Class A: $75 · OD: $15 · Frost law restrictions
Summary for planning only — the state sets the final fee when the permit is issued and can change its rules at any time. Confirm with the Michigan DOT before moving a load.
Questions
What size load needs an oversize permit in Michigan?
In Michigan, a load generally needs an oversize permit when it is wider than 8 ft 6 in, taller than 13 ft 6 in, or longer than 53 ft. Exact rules vary by vehicle type and route, so confirm with the Michigan DOT.
When does a load need an overweight permit in Michigan?
Loads over 80,000 lbs gross weight generally need an overweight permit in Michigan, with fees that depend on weight and distance.
When are pilot cars or police escorts required in Michigan?
Our data for Michigan shows a rear pilot car from 12 ft wide, a front (lead) pilot car from 14 ft wide, and a police escort from 16 ft wide, or 250,000 lbs and over. Requirements can also depend on the route, so always confirm before you move.
Price your load through Michigan
Enter the load in feet and inches, add your route, and Permitly adds up every state's fee, escorts and the permit service fee — then saves it as a quote you can export as a PDF.
Open the calculator