| AASHTO SCOR SSOM | AASHTO Special Committee on Research and Innovation Subcommittee on Systems Operation and Management |
| AV | Automated vehicle |
| CAV | Connected and automated vehicle |
| COM | Component Object Model |
| CV | Connected vehicle |
| DOT | Department of transportation |
| DTA | Dynamic traffic assignment |
| HCM | Highway Capacity Manual |
| HCS | Highway Capacity Software |
| IAR | Interstate Access Report |
| ITE | Institute of Transportation Engineers |
| ITS | Intelligent Transportation Systems |
| LOS | Level of service |
| MOE | Measure of effectiveness |
| MRM | Multiresolution modeling |
| NACTO | National Association of City Transportation Officials |
| PSD | Passing sight distance |
| QA/QC | Quality assurance/quality control |
| RCUT | Restricted Crossing U-turn |
| RFP | Request for proposals |
| TAT | Traffic Analysis Toolbox |
| TIA | Traffic impact analysis |
| TOSAM | Traffic Operations and Safety Analysis Manual |
| TSMO | Transportation Systems Management and Operations |
| TSSM | Transportation System Simulation Manual |