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  1. Welcome | Department of Transportation

    Sep 18, 2025 · Serving the people and businesses of Iowa, the DOT's unique niche as Stewards of Iowa's Transportation System contributes to the state's Core Purpose of Enhancing the Quality of …

  2. Federal Motor Carrier Safety Administration

    Dec 1, 2025 · How can FMCSA help you? Truck Resources Get a DOT Number How To Register, FMCSA Registration Overview for Motor Carriers Driver Medical Requirements Hours of Service for …

  3. 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.

  4. 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 Us …

  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, who reports directly to …

  6. ‘Helping people travel safely from Point A to Point B’; Iowa DOT ...

    3 days ago · Stuart Anderson, who has worked for the Iowa DOT for more than 30 years, recently was honored by a national organization of state transportation departments.

  7. Contact Iowa DOT | Department of Transportation

    Contact Iowa DOT Contact Us Form Submit questions and comments or report an issue. The form responses are only monitored during regular business hours. It may take 2-3 days to receive a …

  8. What does the Department of Transportation (DOT) do? | USAFacts

    The Department of Transportation (USDOT, DOT) is a cabinet-level executive branch agency responsible for overseeing national transportation systems and infrastructure.

  9. U.S. Department of Transportation Administrations

    Aug 23, 2021 · The top priorities at DOT are to keep the traveling public safe and secure, increase their mobility, and have our transportation system contribute to the nation's economic growth.

  10. FMCSA Registration | FMCSA

    Sep 30, 2025 · Motus, USDOT's new registration system for FMCSA customers, is now available to transportation service providers, blanket companies (BOC-3 filers), and financial responsibility filers …