
| AADT | Annual average daily traffic |
| AKART | All known available and reasonable techniques |
| BMP | best management practice |
| cfs | cubic feet per second |
| CRB | Cannon Road Bridge |
| CY | cubic yard |
| DOT | Department of Transportation |
| EA | each |
| FEMA | Federal Emergency Management Agency |
| GAC | granular activated carbon |
| gpm | gallons per minute |
| GULD | General Use Level Designation |
| HDPE | high-density polyethylene |
| HDS | hydrodynamic separator |
| HRH | Hampton Roads Harbor |
| kip | kilo pounds of force |
| LF | linear foot |
| LRFD | Load-and-Resistance Factor Design |
| LS | lump sum |
| MASH | Manual for Assessing Safety Hardware |
| MCDA | Multi-Criteria Decision Analysis |
| MMMBT | Monitor Merrimac Memorial Bridge-Tunnel |
| MS4 | Municipal Separate Storm Sewer System |
| NBIS | National Bridge Inspection Standards |
| NCEI | National Centers for Environmental Information |
| NHS | National Highway System |
| NPV | net present value |
| NRB | Nisqually River Bridge |
| O&M | Operations and maintenance |
| OSHA | Occupational Safety and Health Administration |
| PFC | permeable friction course |
| PSD | particle size distribution |
| ROM | rough order of magnitude |
| ROW | right of way |
| SCADA | supervisory control and data acquisition |
| TAPE | Technology Assessment Protocol – Ecology |
| TL | test level |
| TMDL | total maximum daily load |
| TSS | total suspended solids |
| USGS | United States Geological Survey |