USDOT Number - FMCSA
 
Companies operating commercial vehicles transporting passengers or hauling cargo in interstate commerce must be registered with the FMCSA and have a USDOT Number. Commercial intrastate hazardous materials carriers who haul types and quantities requiring a safety permit must also register for a USDOT Number.
 
You are required to obtain a USDOT number if you are involved in Interstate commerce:
 
USDOT Number
EIN Number
 
Completion Time
Same day if during business hours.