Abbreviations, Acronyms, and Initialisms
3D | Three-dimensional |
AFA | Advance funding agreement |
AI | Artificial intelligence |
ASCE | American Society of Civil Engineers |
DOT | Department of transportation |
DSC | Different site condition |
GCP | Ground control point |
GNSS | Global navigation satellite system |
IDSS | Intelligent decision support system |
ITS | Intelligent transportation system |
LiDAR | Light detection and ranging |
NCHRP | National Cooperative Highway Research Program |
NUR | Non-utility-related |
PS&E | Plans, specifications, and estimate |
QLA | Quality level A |
QLB | Quality level B |
QLC | Quality level C |
QLD | Quality level D |
RTK | Real-time kinematic |
SCP | Survey control point |
SfM | Structure-from-motion |
TTI | Texas A&M Transportation Institute |
UAS | Unmanned aircraft system |
UCM | Utility conflict management |
UCP | Utility construction plan |
UR | Utility-related |
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Abbreviations and acronyms used without definitions in TRB publications:
A4A | Airlines for America |
AAAE | American Association of Airport Executives |
AASHO | American Association of State Highway Officials |
AASHTO | American Association of State Highway and Transportation Officials |
ACI–NA | Airports Council International–North America |
ACRP | Airport Cooperative Research Program |
ADA | Americans with Disabilities Act |
APTA | American Public Transportation Association |
ASCE | American Society of Civil Engineers |
ASME | American Society of Mechanical Engineers |
ASTM | American Society for Testing and Materials |
ATA | American Trucking Associations |
CTAA | Community Transportation Association of America |
CTBSSP | Commercial Truck and Bus Safety Synthesis Program |
DHS | Department of Homeland Security |
DOE | Department of Energy |
EPA | Environmental Protection Agency |
FAA | Federal Aviation Administration |
FAST | Fixing America’s Surface Transportation Act (2015) |
FHWA | Federal Highway Administration |
FMCSA | Federal Motor Carrier Safety Administration |
FRA | Federal Railroad Administration |
FTA | Federal Transit Administration |
GHSA | Governors Highway Safety Association |
HMCRP | Hazardous Materials Cooperative Research Program |
IEEE | Institute of Electrical and Electronics Engineers |
ISTEA | Intermodal Surface Transportation Efficiency Act of 1991 |
ITE | Institute of Transportation Engineers |
MAP-21 | Moving Ahead for Progress in the 21st Century Act (2012) |
NASA | National Aeronautics and Space Administration |
NASAO | National Association of State Aviation Officials |
NCFRP | National Cooperative Freight Research Program |
NCHRP | National Cooperative Highway Research Program |
NHTSA | National Highway Traffic Safety Administration |
NTSB | National Transportation Safety Board |
PHMSA | Pipeline and Hazardous Materials Safety Administration |
RITA | Research and Innovative Technology Administration |
SAE | Society of Automotive Engineers |
SAFETEA-LU | Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (2005) |
TCRP | Transit Cooperative Research Program |
TEA-21 | Transportation Equity Act for the 21st Century (1998) |
TRB | Transportation Research Board |
TSA | Transportation Security Administration |
U.S. DOT | United States Department of Transportation |