| DOT | 84577 | Air Ambulance and Patient Billing Advisory Committee | State and DOT Consumer Protection Authorities |
| DOT | 84577 | Air Ambulance and Patient Billing Advisory Committee | Prevention of Balance Billing |
| DOT | 84577 | Air Ambulance and Patient Billing Advisory Committee | Disclosure and Distinction of Charges and Coverage |
| DOT | 84571 | Lithium Battery Air Safety Advisory Committee | Hazard Review and Risk Mitigation |
| DOT | 84571 | Lithium Battery Air Safety Advisory Committee | Regulations and Gap Analysis |
| DOT | 84571 | Lithium Battery Air Safety Advisory Committee | Supply Chain Safety and Integrity |
| DOT | 84571 | Lithium Battery Air Safety Advisory Committee | Data Collection and Analysis |
| DOT | 197 | Aviation Rulemaking Advisory Committee | Engine Harmonization Working Group |
| DOT | 84569 | Safety Oversight and Certification Advisory Committee | SOCAC Subcommittee |
| DOT | 2642 | NextGen Advisory Committee | NAC Subcommittee |
| DOT | 75267 | Transit Advisory Committee for Safety | Employee Safety Reporting Subcommittee |
| DOT | 75267 | Transit Advisory Committee for Safety | Trespass and Suicide Prevention Subcommittee |
| DOT | 75267 | Transit Advisory Committee for Safety | Roadway Worker Protections Subcommittee |
| DOT | 2645 | DOT Advisory Committee on Human Trafficking | Protocols and Policy Development |
| DOT | 2645 | DOT Advisory Committee on Human Trafficking | Research, Analysis, and Information Sharing |
| DOT | 2645 | DOT Advisory Committee on Human Trafficking | Training and Awareness |
| DOT | 2099 | Railroad Safety Advisory Committee | Part 225 Accident Reporting Guide Working Group |
| DOT | 2099 | Railroad Safety Advisory Committee | Certification of Train Dispatchers Working Group |
| DOT | 2099 | Railroad Safety Advisory Committee | Certification of Signal Employees Working Group |
| DOT | 2099 | Railroad Safety Advisory Committee | Tourist & Historic Railroads Working Group |
| DOT | 197 | Aviation Rulemaking Advisory Committee | Metallic and Composite Structures Working Group |
| DOT | 197 | Aviation Rulemaking Advisory Committee | Avionics System Harmonization Working Group |
| DOT | 197 | Aviation Rulemaking Advisory Committee | Ice Crystal Icing Working Group |
| DOT | 197 | Aviation Rulemaking Advisory Committee | Part 145 Working Group |
| DOT | 29152 | National Emergency Medical Services Advisory Council | Adaptability and Innovation |
| DOT | 29152 | National Emergency Medical Services Advisory Council | Sustainability and Efficiency |
| DOT | 29152 | National Emergency Medical Services Advisory Council | Equitable Patient Care |
| DOT | 29152 | National Emergency Medical Services Advisory Council | Preparedness and Education |
| DOT | 29152 | National Emergency Medical Services Advisory Council | Integration and Technology |
| DOT | 29152 | National Emergency Medical Services Advisory Council | Profession Safety |
| DOT | 5320 | U.S. Maritime Transportation System National Advisory Committee | Ports Subcommittee |
| DOT | 5320 | U.S. Maritime Transportation System National Advisory Committee | Domestic Shipping Subcommittee |
| DOT | 5320 | U.S. Maritime Transportation System National Advisory Committee | International Shipping Subcommittee |
| DOT | 197 | Aviation Rulemaking Advisory Committee | Designated Pilot Examiner Reforms Working Group |
| DOT | 197 | Aviation Rulemaking Advisory Committee | Flightdeck Secondary Barrier Working Group |
| DOT | 2099 | Railroad Safety Advisory Committee | Track Standards Working Group |
| DOT | 2099 | Railroad Safety Advisory Committee | Passenger Safety Working Group |
| DOT | 197 | Aviation Rulemaking Advisory Committee | Flight Test Harmonization Working Group |
| DOT | 197 | Aviation Rulemaking Advisory Committee | Airman Certification Systems Working Group |
| DOT | 80474 | Aviation Consumer Protection Advisory Committee | In-Flight Sexual Assault Task Force |
| DOT | 2573 | National Advisory Committee on Travel and Tourism Infrastructure | Subcommittee 2 – Identifying Impediments to the National Travel and Tourism Infrastructure Network |
| DOT | 2573 | National Advisory Committee on Travel and Tourism Infrastructure | Subcommittee 1 – Identifying Improvements to the National Travel and Tourism Infrastructure Network |
| DOT | 682 | Commercial Space Transportation Advisory Committee | Infrastructure & Innovation |
| DOT | 682 | Commercial Space Transportation Advisory Committee | Legal & Regulatory |
| DOT | 682 | Commercial Space Transportation Advisory Committee | Infrastructure |
| DOT | 682 | Commercial Space Transportation Advisory Committee | Safety |
| DOT | 2605 | Voluntary Information-Sharing System Working Group | Mission & Objectives |
| DOT | 197 | Aviation Rulemaking Advisory Committee | Transport Airplane and Engine Issue Group |
| DOT | 700 | Research, Engineering, and Development Advisory Committee | NAS Operations |
| DOT | 2605 | Voluntary Information-Sharing System Working Group | Competency Awareness and Training |
| DOT | 700 | Research, Engineering, and Development Advisory Committee | Human Factors (REDAC) |
| DOT | 700 | Research, Engineering, and Development Advisory Committee | Airports |
| DOT | 2605 | Voluntary Information-Sharing System Working Group | Best Practices |
| DOT | 2605 | Voluntary Information-Sharing System Working Group | Technology/R&D |
| DOT | 2605 | Voluntary Information-Sharing System Working Group | Reporting |
| DOT | 2605 | Voluntary Information-Sharing System Working Group | Process Sharing |
| DOT | 2605 | Voluntary Information-Sharing System Working Group | Regulatory, Funding, and Legal |
| DOT | 700 | Research, Engineering, and Development Advisory Committee | Aircraft Safety |
| DOT | 703 | Technical Pipeline Safety Standards Committee | Pipeline Safety Report Subcommittee |
| DOT | 700 | Research, Engineering, and Development Advisory Committee | Environment and Energy |