United States Department of Transportation Number - USDOT Number
Carriers Requiring a USDOT Number
The United States Department of Transportation requires carriers operating the following types of vehicles in interstate commerce to obtain a USDOT number.
- Vehicles that have a gross vehicle weight rating or gross combination weight rating, or gross vehicle weight or gross combination weight of 10,001 pounds or more.
- Vehicles that are designed or used to transport more than 15 passengers, including the driver.
- Vehicles that are designed or used to transport more than 8 passengers, including the driver for compensation.
- Vehicles that are used in transporting hazardous materials (49 U.S.C. 5103) in quantities requiring placarding (49 CFR, subtitle B, chapter I, subchapter C).
Interstate commerce means trade, traffic, or transportation in the United States
- 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 a State through another State or a place outside of the United States; or
- Between two places in a State as part of trade, traffic, or transportation originating or terminating outside the State or the United States.
Contacts and Forms
If you need additional information, please contact the United States Department of Transportation, Federal Motor Carrier Safety Administration online or at (804) 775-3322.
A downloadable version of the MCS-150 application for a USDOT number is available from the Federal Motor Carrier Safety Administration.







