USDOT Number for Passenger Carriers (2026) | TMMR
USDOT Number for Passenger Carriers (2026)
A USDOT Number is a unique FMCSA identifier used to collect and monitor a company’s safety information from audits, compliance reviews, crash investigations, and inspections.
Do Passenger Tour Operators Need a USDOT Number?
FMCSA says companies operating commercial vehicles that transport passengers or haul cargo in interstate commerce must have a USDOT Number when the vehicle meets a listed threshold. For tour operators, the most relevant thresholds involve vehicle weight, passenger capacity, and certain hazardous-materials operations.
- FMCSA is the federal agency named in the supplied guidance.
- Interstate commerce can include an itinerary that begins and ends in one state but travels through another state.
- Some states require intrastate commercial motor vehicle registrants to obtain a USDOT Number.
When Does a Passenger Tour Operator Need a USDOT Number?
You may need a USDOT Number when a commercial vehicle meets one of the listed thresholds and is involved in interstate commerce.
Vehicle Thresholds
- Gross vehicle or combination weight of 10,001 pounds or more, whichever is greater.
- Designed or used to transport more than 8 passengers, including the driver, for compensation.
- Designed or used to transport more than 15 passengers, including the driver, when used to transport passengers for compensation.
- Intrastate transportation of hazardous materials that require a safety permit.
Interstate Commerce
- Travel between a state and another state or country.
- Travel between two places in one state through another state or country.
- In-state transportation that is part of travel beginning or ending outside the state or United States.
How to Start USDOT Number Compliance
Check Your Operation
Use the FMCSA USDOT Number Wizard to determine whether your vehicles and routes need a USDOT Number.
Obtain Your Number
Obtain a USDOT Number when your commercial vehicle meets a listed threshold and is involved in interstate commerce.
Know the Regulations
FMCSA says motor carrier operators and drivers are responsible for knowing and complying with applicable federal safety regulations.
One Itinerary Can Cross More Than One Compliance Line
A wine-country route, airport transfer, or multi-day tour may look local on a calendar while its vehicle, passenger count, or travel path creates federal compliance questions. Check the requirements before assigning the driver and vehicle.
Which States May Require an Intrastate USDOT Number?
FMCSA identifies the following states and territories as requiring intrastate commercial motor vehicle registrants to obtain a USDOT Number. Check with the responsible state agency for current requirements.
USDOT Number Questions from Tour Operators
Do passenger tour operators need a USDOT Number?
FMCSA says companies operating commercial vehicles that transport passengers or haul cargo in interstate commerce must have a USDOT Number when the vehicle meets a listed threshold. The threshold can be based on vehicle weight, passenger capacity, or hazardous-materials use.
What passenger capacity can require a USDOT Number?
FMCSA lists vehicles designed or used to transport more than 8 passengers, including the driver, for compensation. The supplied FMCSA guidance also lists vehicles designed or used to transport more than 15 passengers, including the driver, when used to transport passengers for compensation.
What does interstate commerce mean for a tour operator?
Interstate commerce includes transportation between a state and another state or country, travel between two places in one state through another state or country, and in-state transportation that is part of a trip beginning or ending outside the state or United States.
Do intrastate tour operators need a USDOT Number?
FMCSA states that some states require intrastate commercial motor vehicle registrants to obtain a USDOT Number. Check with the responsible state agency for the state where you operate.
How do I find out whether my tour company needs a USDOT Number?
Start with the FMCSA USDOT Number Wizard. If your operation needs a USDOT Number, FMCSA says motor carrier operators and drivers are responsible for knowing and complying with applicable Federal Motor Carrier Safety Regulations.
How does FMCSA use a USDOT Number?
A USDOT Number is a unique identifier used when FMCSA collects and monitors a company’s safety information from audits, compliance reviews, crash investigations, and inspections.
FMCSA Resources Used for This Draft
- FMCSA USDOT Number Wizard
- FMCSA advisory guidance for 49 CFR 385.403
- FMCSA Motor Carrier’s Guide to Improving Highway Safety
Source material supplied for this draft was last updated September 3, 2025. This page is informational and is not legal advice.