What is usdot number?
Also called DOT number, US DOT number
A USDOT number is the federal identification number carried by a company that operates commercial vehicles in interstate commerce. Safety records, roadside inspections and crash reports are all filed against it.
The number identifies the company rather than a vehicle or a driver, and it stays with that company as trucks come and go. It is displayed on the vehicle along with the legal or trade name of the operator.
Having a USDOT number is not the same as having permission to haul freight for money. It is an identifier used for safety oversight; the permission to carry regulated freight for hire is operating authority, which is separate and additional.
Private carriers that move only their own goods still need the number once they cross state lines in vehicles above the weight threshold, which is why plenty of companies hold one without ever hauling for anybody else.
What it means on a dispatch desk
Confusing the USDOT number with operating authority is the most common mistake made when qualifying a new carrier, and it runs in both directions. A company with a USDOT number and no for-hire authority cannot legally take your broker's freight, and a company that hauls only its own product is not a bad prospect at all — it is simply a different conversation, because what it needs is not a load.
Related terms
- MC numberAn MC number is the docket number attached to a company's for-hire operating authority. A carrier hauling regulated freight across state lines for payment needs one; a company moving only its own goods does not.
- Operating authorityOperating authority is federal permission for a company to transport regulated freight for other people across state lines in exchange for payment. Moving your own goods does not require it; moving somebody else's for money does.
- Out of serviceAn out-of-service order stops a driver or a vehicle from operating until the problem that caused it is corrected. It is issued at the roadside during an inspection, or against an entire company for serious regulatory failures.
- Broker-carrier agreementA broker-carrier agreement is the standing contract between a freight broker and a carrier that governs every load they move together. It is signed once during onboarding, not per load.
Knowing the term is the easy half
Knowing which carriers are worth calling this morning is the hard half.
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