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DOT numbers: Interstate commercial vehicles

If you operate a commercial vehicle across state lines, you must have a United States Department of Transportation (USDOT) number.

How to apply for a DOT number

To get a USDOT number, submit the following completed forms to the Federal Motor Carrier Safety Administration (FMCSA):

  • Motor Carrier Identification Report (MCS-150).
  • Safety Certification Application (MCS-150A).

How to get a copy of the forms

Related information

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