Permit rules, in plain English.
Three reference guides for owner-operators and dispatchers who need the answer now, not a brochure. Every number is read off an official state DOT publication and carries the date it was checked.
Oversize permit cost by state, 2026
What each state DOT actually charges for a single-trip OS/OW permit — and why a single fee column would be false for about a quarter of them. Searchable, sortable, every figure dated and sourced.
8 min read · 48 states
$6–$75
New Hampshire is the lowest flat rate, Ohio the highest. 14 states do not use a flat rate at all.
When do you actually need an oversize permit?
The 8'6" / 13'6" / 80,000 lb baseline, the states that go stricter or looser, and the divisible-load rule that gets drivers ticketed.
5 min read
EscortsPilot car requirements by state
Which widths force one escort, two, or a police escort — and how the answer changes between two-lane and multilane roads.
6 min read
48 states
Every contiguous state, each with its own fee model, legal limits and escort thresholds.
Official DOT sources
Each figure links to the statute, rule or fee schedule it was read from.
23 re-checked July 2026
Every state shows when its rule took effect, and when we last read the source document.
Rather just have it filed?
$20 flat per state permit, state fees at cost. Send the dimensions and we handle every DOT on the route. Including the two states that let you run to 14'6" without one.