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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. 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 …

  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. 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 …

  5. Trucking and Motorcoaches | US Department of Transportation

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

  6. Aviation | US Department of Transportation

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

  7. Infrastructure Investment and Jobs Act - Department of …

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

  8. Careers | US Department of Transportation

    DOT Careers in Demand See careers currently in demand at DOT and why you'll be a great fit

  9. Organization Chart | US Department of Transportation

    Aug 2, 2017 · About DOT Meet the Secretary Mission Newsroom Social Media Leadership Regulations Transit Benefit Policy Careers Contact Us Operating Administrations FAA FHWA …

  10. FY 2026 BUILD Grants Notice of Funding Opportunity

    Nov 26, 2025 · DOT is committed to ensuring that information is available in appropriate alternative formats to meet the requirements of persons who have a disability. If you require an …