USDOT Number

What is a USDOT Number?

The Federal Motor Carrier Safety Administration requires that transportation companies that haul cargo or transport passengers in interstate commerce must be registered and have a USDOT Number. But what is it exactly? And do you need one? The USDOT Number is a unique number for your company that gives instant access to your company’s safety information during various check-ups, such as inspections, compliance reviews, audits and accident investigations. So, how do you know if your company needs a US DOT Number?
usdot number

Do I need a USDOT Number?

You are going to need a USDOT Number for your company if you have a vehicle that:


  • Is used to transport the types and quantities of hazardous materials requiring a safety permit in intrastate commerce (see 49 CFR 385.403).


  • has a gross vehicle weight/ gross vehicle weight rating, or gross combination weight/gross combination weight rating of 10,001 pounds (4,536 kg) or more;
  • transports more than 8 passengers, including the driver, for compensation (in that case you also need an MC number);
  • transports more than 15 passengers, including the driver, without compensation. MC number);


Additionally, to require a US DOT Number, your company must be involved in transportation, traffic or trade between states or:


  • Between a place in a State and a place outside of such State (including a place outside of the United States);
  • Between two places in one state, crossing another state;
  • Between two places in one state as a part of trade, traffic or transportation with the point of origin or destination outside of the United States.

You have to gain a USDOT Number and comply with all the FMCSA Regulations.


Some states also require their intrastate commercial motor carriers to obtain a USDOT Number. Here is the list of these states:


Furthermore, it is your responsibility as of a motor carrier operator (or driver) to obtain a US DOT Number and comply with all the FMCSA regulations.