Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Web Standards

The web standards listed below capture the current DOT web standards, and ensure compliance with the latest federal policy for websites and digital services. These web standards support modern web development and usability practices, and apply stringent requirements for conformance to Section 508 of the Rehabilitation Act of 1973, as amended in 1998, which ensures access for people with physical, sensory, or cognitive disabilities.

These approved web standards include requirements and best practices of the federal government, DOT, and the Office of the Chief Information Officer, and apply to all DOT and Operating Administration external websites.