The mission of the Department of Transportation (DOT) is to ensure a fast, safe, efficient, accessible and convenient transportation system that meets our vital national interests and enhances the quality of life of the American people.

Organizations within the DOT include the Federal Highway Administration, the Federal Aviation Administration, the National Highway Traffic Safety Administration, the Federal Transit Administration, the Federal Railroad Administration and the Maritime Administration.

The U.S. Secretary of Transportation oversees approximately 55,000 employees and a budget of approximately $70 billion.