To improve the quality of life for all American people and communities, from rural to urban, and to increase the productivity and competitiveness of American workers and businesses.

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. DOT …

Feb 25, 2021 · 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 …

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

April 1, 2026 Trump’s Transportation Secretary Sean P. Duffy Delivers $108 Million to Rebuild Alaska Bridges Over Johnson and Gerstle Rivers

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

Jan 12, 2023 · Welcome to the DOT Guidance Portal. This web portal is a searchable, indexed database, that contains all guidance documents issued by DOT and its nine operating …

Mar 9, 2022 · DOT staff across the country work with their partners in state and local government, along with other stakeholders, to help deliver infrastructure projects and provide technical assistance.

Official websites use .gov Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

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