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- 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 NHTSA OIG OST PHMSA Research and Technology Office of the Assistant Secretary for Research and Technology Bureau of Transportation Statistics Volpe Center Ask-A
- Contact Us - Department of Transportation
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 Correspondence to the Department may be sent to: U S Department of Transportation 1200 New Jersey Ave, SE Washington, DC 20590
- U. S. Department of Transportation Administrations
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
- Trucking and Motorcoaches | US Department of Transportation
Federal Motor Carrier Safety Administration (FMCSA) Responsible for regulating and providing safety oversight of commercial motor vehicles
- 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
- Newsroom | US Department of Transportation
December 17, 2025 Trump’s Transportation Secretary Sean P Duffy Launches First-Ever National Advanced Air Mobility Strategy to Unlock the Future of Flight
- Aviation | US Department of Transportation
Transportation Security Administration (TSA) Exists to protect the nation's transportation systems to ensure freedom of movement
- DOT Budget and Performance Documents - Department of Transportation
DOT produces the Annual Evaluation Plan, Capacity Assessment, Evaluation Policy, and Learning Agenda in accordance with the Foundations for Evidence-Based Policymaking Act of 2018 (the Evidence Act)
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