Who is required to have a USDOT number?

USDOT numbers must be displayed on a vehicle that:

• Is used to transport the types and quantities of hazardous materials requiring a safety permit in intrastate commerce, click to view 49 CFR 385.403.

OR

• Has a gross vehicle weight rating or gross combination weight rating, or gross vehicle weight or gross combination weight, of 10,001 pounds or more; or
• Is designed or used to transport more than 8 passengers (including the driver) for compensation; or
• Is designed or used to transport more than 15 passengers, including the driver, and is not used to transport passengers for compensation;

AND is involved in Interstate commerce:

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.