Official US Government Icon

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Secure Site Icon

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

The latest general information on the Coronavirus Disease 2019 (COVID-19) is available on For USDOT specific COVID-19 resources, please visit our page.

Smart City Challenge

Editorial Category: Policy Initiatives
Header: Contact Us
Name: US Department of Transportation

1200 New Jersey Ave SE
Washington, DC 20590
United States

Phone: 202-366-4000
TTY / Assistive Device Number: 800-877-8339
Business Hours: 9:00am-5:00pm ET, M-F