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  1. Department of Transportation

    About DOT Meet the Secretary Mission Newsroom Social Media Leadership Regulations Transit Benefit Policy Careers Contact Us Operating Administrations FAA FHWA FMCSA FRA FTA …

  2. Michigan Department of Transportation

    Feb 7, 2010 · Michigan Department of Transportation is responsible for planning, designing, and operating streets, highways, bridges, transit systems, airports, railroads and ports. Find out …

  3. Federal Motor Carrier Safety Administration

    Jan 30, 2026 · How can FMCSA help you? Truck Resources Get a DOT Number How To Register, FMCSA Registration Overview for Motor Carriers Driver Medical Requirements …

  4. U.S. Department of Transportation (DOT) | USAGov

    The Department of Transportation (DOT) is responsible for planning and coordinating federal transportation projects. It also sets safety regulations for all major modes of transportation.

  5. United States Department of Transportation - Wikipedia

    The United States Department of Transportation (USDOT or DOT) is one of the executive departments of the U.S. federal government. It is headed by the secretary of transportation, …

  6. Contact Us - Department of Transportation

    Feb 25, 2021 · Contact Us Call Us DOT Customer Service Center: 202-366-4000* Monday through Friday between 8:30 am and 5:30 pm Eastern Time excluding Federal Holidays. Mail …

  7. FMCSA Registration | FMCSA

    Sep 30, 2025 · Motus: USDOT Registration System is now available to transportation service providers that assist registrants—such as motor carriers and other entities—with FMCSA …

  8. Updating Your Registration or Authority | FMCSA

    Oct 22, 2025 · Any time a motor carrier or other regulated entity changes its Legal Business Name, address, or other details in their record, they should update their US DOT and …

  9. Trucking and Motorcoaches | US Department of Transportation

    Trucking and Motorcoaches We are working together to prevent commercial motor vehicle-related fatalities and injuries

  10. Contact Us | FMCSA

    Aug 5, 2025 · In the table below, you can find the FMCSA contact center that best addresses your needs. Headquarters Federal Motor Carrier Safety Administration United States Department of …