| AASHTO | American Association of State Highway and Transportation Officials |
| ADA | Americans With Disabilities Act |
| BPR | Bureau of Public Roads |
| CA | Certification Acceptance |
| CFR | Code of Federal Regulations |
| DBE | Disadvantaged Business Enterprise |
| EEO | Equal Employment Opportunity |
| EPA | Environmental Protection Agency |
| FAR | Federal Acquisition Regulations |
| FHWA | Federal Highway Administration |
| FP | Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects |
| FWS | Fish and Wildlife Service |
| HMA | Hot-mix asphalt |
| IID | Inspection-in-depth |
| ISTEA | Intermodal Surface Transportation Efficiency Act of 1991, Public Law 102-240 |
| NEPA | National Environmental Policy Act, USC 4321-4335 |
| NHI | National Highway Institute |
| NHS | National Highway System |
| NHS-1995 | National Highway System Designation Act of 1995, Public aw 104-59 |
| NPDES | National Pollutant Discharge Elimination System |
| OMB | Office of Management and Budget |
| OSHA | Occupational Safety and Health Administration |
| PR/PE | Process review/Product evaluation |
| PS&E | Plans, Specifications, and Estimates |
| QA | Quality assurance |
| SAFETEA | Safe, Accountable, Flexible, and Efficient Transportation Equity Act of 2003 |
| SHA | State highway agency |
| SHPO | State Historic Preservation Officer |
| STA | State transportation agency |
| TEA-21 | Transportation Equity Act for the 21st Century, Public Law 105-178 |
| USC | United States Code |
| USDOL | United States Department of Labor |
| USDOT | United States Department of Transportation |
