Qualifying Interstate Operations
FMCSA generally requires registration for companies operating qualifying cargo, passenger or hazardous-material commercial vehicles in interstate commerce.
FMCSA registration guide
Who Needs a USDOT Number?
Learn which carriers and commercial vehicles generally need a USDOT number and when state intrastate requirements may also apply.
Reviewed against official federal guidance
Practical USDOT Compliance Guidance
Common Federal Thresholds
Coverage can include vehicles at 10,001 pounds or more, specified passenger capacities, or regulated hazardous-material operations.
Intrastate Requirements
Many states also require USDOT numbers for certain intrastate carriers. Check with the responsible state agency.
Related compliance resources
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