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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 …

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.

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.

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

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

Dec 19, 2025 · Sean McMaster - FHWA Administrator Federal Highway Administration Sean McMaster is the Administrator of the Federal Highway Administration (FHWA) at the U.S. Department of …

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

January 8, 2026 Trump’s Transportation Secretary Sean P. Duffy Taps New Leadership for U.S. Merchant Marine Academy After Years of Neglect

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 …