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 employs almost 55,000 people across the country, in the Office of the Secretary of Transportation (OST) and its operating administrations and bureaus, each with its own management and organizational structure.
MOST REQUESTED INFORMATION Rulemaking Requirements The Rulemaking Process HELPFUL REGULATORY LINKS Regulations.gov Federal Register RegInfo.gov eCFR THOMAS Library of Congress DOT REGULATORY CONTACTS Identify the DOT agency you wish to contact. DOT AND TIME ZONES Did you know DOT oversees the Nation's time zones?
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 Department may be sent to: U.S. Department of Transportation 1200 New Jersey Ave, SE Washington, DC 20590 Please note: Correspondence must be addressed to a specific administration within the U.S. Department of ...
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 administrations that are in effect today. The guidance documents contained herein lack the force and effect of law, unless expressly authorized by statute or incorporated into a contract.
DOT staff across the country work with their partners in state and local government, along with other stakeholders, to help deliver infrastructure projects and provide technical assistance.
U.S. DOT Strategic Plan The U.S. Department of Transportation Strategic Plan for Fiscal Years 2026–2030 describes the Department’s mission, vision, and strategic goals for building a safer, stronger, and more efficient transportation system—one that supports American families, workers, and businesses in every corner of our country.