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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. 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 …

  3. 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 …

  4. Trucking and Motorcoaches | US Department of Transportation

    Federal Motor Carrier Safety Administration (FMCSA) Responsible for regulating and providing safety oversight of commercial motor vehicles.

  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 …

  6. DOT Navigator - US Department of Transportation

    The DOT Navigator is a resource to help communities understand how to apply for grants, and plan for and deliver transformative infrastructure projects and services.

  7. Newsroom | US Department of Transportation

    6 days ago · December 23, 2025 Trump’s Transportation Secretary Invests $1 Billion into Building Big, Beautiful Infrastructure to Make American Roads Safer

  8. 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.

  9. Aviation | US Department of Transportation

    Transportation Security Administration (TSA) Exists to protect the nation's transportation systems to ensure freedom of movement.

  10. Our Activities | US Department of Transportation

    Jan 29, 2020 · About DOT Meet the Secretary Mission Newsroom Social Media Leadership Regulations Transit Benefit Policy Careers Contact Us Operating Administrations FAA FHWA …