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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 GLS MARAD …

  2. 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 …

  3. DOT Guidance Portal | US Department of Transportation

    Jan 12, 2023 · This web portal is a searchable, indexed database, that contains all guidance documents issued by DOT and its nine operating administrations that are in effect today.

  4. 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.

  5. Regulatory Information | US Department of Transportation

    Aug 28, 2025 · MOST REQUESTED INFORMATION Rulemaking Requirements The Rulemaking Process HELPFUL REGULATORY LINKS Regulations.gov Federal Register RegInfo.gov eCFR …

  6. DOT State Contacts | US Department of Transportation

    Mar 9, 2022 · Select your state/territory on the map to see which local DOT offices support your area. Due to space limitations not all states/territories will be visible. Use the search bar in the top left to …

  7. Infrastructure Investment and Jobs Act - Department of Transportation

    Grant List View all of DOT's grant programs for the Infrastructure Investment and Jobs Act.

  8. Trucking and Motorcoaches | US Department of Transportation

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

  9. Government Officials at the US Department of Transportation

    4 days ago · Sean McMaster - FHWA Administrator Federal Highway Administration Sean McMaster is the Administrator of the Federal Highway Administration (FHWA) at the U.S. Department of …

  10. Newsroom | US Department of Transportation

    3 days ago · November 20, 2025 Trump’s Transportation Secretary Sean P. Duffy Unveils Design for First-of-its-Kind Advanced Female Crash Test Dummy