An official website of the United States government Here's how you know The latest general information on the Coronavirus Disease 2019 (COVID-19) is available on Coronavirus.gov. For USDOT specific COVID-19 resources, please visit our page. Home Mission Mission Who We Are Directions to DOT Contact Us Budget and Performance Event Calendar Contact Us US Department of Transportation 1200 New Jersey Ave, SE Washington, DC 20590 United States Phone: 1 (202) 366-4000 TTY / Assistive Device Number: (800) 877-8339 Business Hours: 8:30am-5:00pm ET, M-F About DOT What We Do Mission To ensure America has the safest, most efficient and modern transportation system in the world, which boosts our economic productivity and global competitiveness and enhances the quality of life in communities both rural and urban. Statutory Authority The Department of Transportation was established by an act of Congress on October 15, 1966. The Department’s first official day of operation was April 1, 1967. Last updated: Tuesday, June 1, 2021 U.S. DEPARTMENT OF TRANSPORTATION 1200 New Jersey Avenue, SE Washington, DC 20590 855-368-4200 WANT TO KNOW MORE? Receive email updates about the latest in Safety, Innovation, and Infrastructure. SUBSCRIBE NOW ABOUT DOT Meet the Secretary Mission Newsroom Medium Blog 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-Librarian(link is external) PRIORITIES Safety Innovation Infrastructure POLICIES, RIGHTS, AND LEGAL USA.gov Privacy Policy FOIA Budget and Performance No FEAR Act Ethics Web Policies and Notices Vulnerability Disclosure Policy Accessibility