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.

DOT Orders

The orders below establish Departmental policy and guidance on all aspects of our work. They also identify key roles and associated responsibilities for DOT personnel.

DOT is committed to ensuring that information is available in appropriate alternative formats to meet the requirements of persons who have a disability. If you require an alternative version of files provided on this page, please contact van.nguyen@dot.gov.

Use this field to search for specific text within the DOT Order documents.

Order Number Subject Originating Office Order Effective Date
DOT 4200.5G Suspension and Debarment, and Ineligibility Policies OST - M (Administration)
DOT 4200.6 Appropriations Act Requirements for Procurement and Non-procurement Regarding Tax Delinquency and Felony Convictions OST - M (Administration)
DOT 4220.1 Disadvantaged Business Enterprise Program Coordination and Oversight DOCR
DOT 4300.1 Federal Real Property Usage Codes OST-M (Administration)
DOT 4300.2 Real Property Acquisitions and Disposals OST - S1 (Secretary)
DOT 4300.3 Real Property Management Information System OST
DOT 4320.1A Location of New Federal Offices and Other Facilities in Rural Areas OST - M (Administration)
DOT 4330.3A Department of Transportation Office Space Design Standard Policy Office of Administration
DOT 4340.2 Energy and Water Management OST - M (Administration)
DOT 4351A Overarching Sustainability Policy OST-M (Administration)
DOT 4353B Sustainable Federal Buildings Policy Office of the Secretary – Administration
DOT 4354B Energy and Water Management Policy for DOT Operational Assets Office of the Secretary – Administration
DOT 4356A Pollution Prevention and Waste Management Policy OST - M (Administration)
DOT 4356B U.S. Department of Transportation Pollution Prevention and Waste Management Policy Office of Administration – OST - M
DOT 4357A Sustainable Acquisition Policy OST-M (Administration)
DOT 4358A Electronics Stewardship Policy OST-M (Administration)
DOT 4410.4 Equipment Management and Control OST - M (Administration)
DOT 4420.3A Department of Transportation Participation In the Federal Catalog System OST - M (Administration)
DOT 4440.3D Fleet Manual Office of Administration
DOT 4440.4A Official Use of Government Passenger Carriers OST - M (Administration)
DOT 4600.11A Principles for Determining Costs Applicable to Grants and Contracts with State and Local Governments OST - M (Administration)
DOT 4600.2B Federal Property Management Regulations OST - M (Administration)
DOT 5000.2A Department of Transportation Productivity and Quality Improvement Program OST - M (Administration)
DOT 5050.1 U.S. DOT'S Rural Opportunities to Use Transportation for Economic Success (ROUTES) Initiative OST - S1 (Secretary)
DOT 5100.4C Policy for Meeting Federal Managers' Financial Integrity Act Requirements OST - B (Budget and Financial Management)
DOT 5300 U.S. Department of Transportation Policy and Procedures Regarding Native Hawaiian Organizations Office of the Secretary – Tribal Affairs
DOT 5301.1A Department of Transportation Tribal Consultation Policy and Procedures Office of Tribal Government Affairs
DOT 5421.1A Radio Frequency Spectrum Management for Effective and Efficient Telecommunications Service OST-R (Research and Technology)
DOT 5600.1 Pesticide Application at Department of Transportation Facilities OST - M (Administration)
DOT 5640.1C Prevention, Control and Abatement of Environmental Pollution at Federal Facilities OST - M (Administration)
DOT 5641.18 U.S. Department of Transportation Internal Environmental Management Systems OST - M (Administration)
DOT 5650.1 Protection and Enhancement of the Cultural Environment OST-M (Administration)
DOT 5670.1 Waste Prevention and Recycling Program OST - M (Administration)
DOT 6050.1B Management and Use of DOT Aircraft OGC
DOT 7000.3D Selection of Institutions for Contracts Under the Program of University Research of the Department Of Transportation OST - M (Administration)
DOT 8000.1C Office of Inspector General Audit and Investigation Report Findings, Recommendations, and Followup Action OST - M (Administration) / OST - J (Inspector General)
DOT 8000.3B Inspector General Awards for Disclosures of Fraud, Waste, Or Mismanagement OST - M (Administration) / OST - J (Inspector General)
DOT 8000.6B Office of Inspector General Responsibilities and Departmental Coordination for Audits and Reviews OST - M (Administration) / OST - J (Inspector General)
DOT 8000.7A Audit Services for DOT Contracting Offices OST - M (Administration) / OST - J (Inspector General)
DOT 8000.8A Office of Inspector General Investigative Responsibilities Office of Inspector General