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is the U.S. Department of Transportation’s administration that develops and enforces regulations to
reduce crashes, injuries, and fatalities involving large trucks and buses.
If your vehicle meets any of the descriptions below, you are a motor carrier and must
with FMCSA. Once you have registered, you will receive a letter explaining next steps.
See examples of vehicles requiring a U.S. DOT Number
Examples of vehicles that may require a U.S. DOT Number.
Carriers need an FMCSA-issued U.S. DOT Number Personal Identification Number (PIN) (NOT a Docket Number
PIN) to access the Offsite Safety Audit and the Safety Measurement System.
Do NOT submit a request for a U.S. DOT Number to this website as we can't obtain one for you. If you are
experiencing PIN issues, visit our PIN help page or call 1-800-832-5660.
Call 1-800-832-5660 or find your Motor Carrier Enforcement Office below.
Complete the form below.
Type the code from the image