| A0020T | Special Task Force on Climate Change and Energy |
| AD000 | Planning and Environment Group |
| ADC00 | Section – Environment and Energy |
| ADC10 | Standing Committee on Environmental Analysis in Transportation |
| ADC20 | Standing Committee on Transportation and Air Quality |
| ADC30 | Standing Committee on Ecology and Transportation |
| ADC40 | Standing Committee on Transportation-Related Noise and Vibration |
| ADC50 | Standing Committee on Historic and Archeological Preservation in Transportation |
| ADC60 | Standing Committee on Resource Conservation and Recovery |
| ADC70 | Standing Committee on Transportation Energy |
| ADC80 | Standing Committee on Alternative Transportation Fuels and Technologies |
| ADD40 | Standing Committee on Transportation and Sustainability |
| ADD50 | Standing Committee on Environmental Justice in Transportation |
| ADD55T | Task Force on Arterials and Public Health |
| AFB40 | Standing Committee on Landscape and Environmental Design |
| AFB60 | Standing Committee on Hydrology and Hydraulics |
| AFB65 | Standing Committee on Stormwater |
| AL050 | Standing Committee on Environmental Issues in Transportation Law |
| AT040 | Standing Committee on Transportation of Hazardous Materials |
| AV030 | Standing Committee on Environmental Impacts of Aviation |
| AW030 | Standing Committee on Marine Environment |