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

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 …

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 …

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

The Infrastructure Investment and Jobs Act (IIJA) makes historic investments in the transportation sector: improving public safety and creating jobs across the country.

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

Mar 9, 2026 · ‘eVTOLs & advanced air mobility aircraft will radically redefine personal travel, regional transportation, cargo logistics, emergency medicine, and so much more’ WASHINGTON, D.C. – U.S. …

Apr 10, 2026 · February 5, 2025 U.S. Secretary of Transportation Sean Duffy speaks at the American Association of State Highway and Transportation Officials 2025 Washington Briefing