| AADT |
Average Annual Daily Traffic |
| AADTT |
Annual Average Daily Truck Traffic |
| AASHTO |
American Association of State Highway and Transportation Officials |
| ATA |
American Trucking Association |
| ATRI |
American Transportation Research Institute |
| BTS |
Bureau of Transportation Statistics |
| C&P |
Conditions and Performance |
| CRFC |
Critical Rural Freight Corridor |
| CUFC |
Critical Urban Freight Corridor |
| DOT |
U.S. Department of Transportation |
| FAF |
Freight Analysis Framework |
| FARS |
Fatality Analysis Reporting System |
| FAST Act |
Fixing America's Surface Transportation Act |
| FHWA |
Federal Highway Administration |
| FPM |
Freight Performance Measurement |
| GDP |
Gross Domestic Product |
| GPS |
Global Positioning System |
| HPMS |
Highway Performance Monitoring System |
| IRI |
International Roughness Index |
| MAP-21 |
Moving Ahead for Progress in the 21st Century Act |
| MPO |
Metropolitan Planning Organization |
| MSA |
Metropolitan Statistical Area |
| NBI |
National Bridge Inventory |
| NHFN |
National Highway Freight Network |
| NHFP |
National Highway Freight Program |
| NHS |
National Highway System |
| NPMRDS |
National Performance Management Research Data Set |
| OOIDA |
Owner-Operator Independent Drivers Association |
| PHFS |
Primary Highway Freight System |
| STRAHNET |
Strategic Highway Network |
| TSI |
Transportation Services Index |
| USACE |
U.S. Army Corps of Engineers |
| VMT |
Vehicle Miles Traveled |
