U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
| AADT | annual average daily traffic |
| AASHTO | American Association of State Highway and Transportation Officials |
| FHWA | Federal Highway Administration |
| mcd/m2/lx | millicandelas per square meter per lux |
| MoDOT | Missouri Department of Transportation |
| MUTCD | Manual on Uniform Traffic Control Devices |
| NCHRP | National Cooperative Highway Research Program |
| NCDOT | North Carolina Department of Transportation |
| NPA | Notice of Proposed Amendments |
| QR | quick response |
| RFID | radio frequency identification |
| RRPM | raised retroreflective pavement marker |
| vpd | vehicles per day |
