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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 …

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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.

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

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

Trucking and Motorcoaches We are working together to prevent commercial motor vehicle-related fatalities and injuries

3 days ago · December 5, 2025 Trump's Transportation Secretary Sean P. Duffy Announces New Temporary Waiver Program to Better Evaluate the Impact of Automated Track Inspection Technology

May 6, 2025 · U.S. DOT Strategic Plan Every four years, DOT updates its Strategic Plan, which describes its work to address safety and innovation in the transportation of people and goods.