Three Dimensional |
|
3DEP |
3D Elevation Program |
AADT |
Annual Average Daily Traffic |
AASHTO |
American Association of State Highway and Transportation Officials |
ADT |
Average Daily Traffic |
AG |
At-grade |
AGL |
Above Ground Level |
BLM |
Bureau of Land Management |
BOEM |
Bureau of Ocean Energy Management |
BTS |
Bureau of Transportation Statistics |
CAD |
Computer Aided Design |
Caltrans |
California Department of Transportation |
CGIA |
Center for Geographic Information and Analysis |
CONUS |
Conterminous United States |
CNE |
Common Noise Environment |
DASC |
Data Access & Support Center |
dB |
Decibel |
dBA |
A-weighted Decibel |
DDHV |
Directional Demand Hourly Volumes |
DE |
Depressed |
DEM |
Digital Elevation Model |
DHV |
Design Hourly Volume |
DOC |
Department of Commerce |
DOI |
Department of Interior |
DOT |
Department of Transportation |
DRGs |
Digital Raster Graphics |
DSM |
digital surface model |
DTM |
Digital Terrain Model |
EA |
Environmental Assessments |
EB / WB |
East Bound / West Bound |
E/C |
Effectiveness/Cost |
EIS |
Environmental Impact Statement |
EL |
Elevated |
EROS |
Earth Resources Observation and Science |
ESRI |
Environmental Systems Research Institute |
FDOT |
Florida Department of Transportation |
FFS |
Free Flow Speed |
FGDC |
Federal Geographic Data Committee |
FHWA |
Federal Highway Administration |
FSA |
Farm Service Agency |
GDG |
Geospatial Data Gateway |
GIS |
geographic information systems |
HCM |
Highway Capacity Manual |
HDM |
Highway Design Manual |
HOV |
High Occupancy Vehicle |
Ifsar |
interferometric Synthetic Aperture Radar |
ISO |
International Organization of Standardization |
Leq |
Equivalent Sound Pressure Level |
LiDAR |
Light Detection and Ranging |
LOS |
Level of Service |
MassGIS |
Massachusetts Office of Geographic Information |
mph |
Miles per Hour |
NAC |
Noise Abatement Criteria |
NAD 83 |
North American Datum of 1983 |
NAVD 88 |
North American Vertical Datum of 1988 |
NBOT |
Noise Barrier Optimization Tool |
NCDOT |
North Carolina Department of Transportation |
NCHRP |
National Cooperative Highway Research Program |
NED |
National Elevation Dataset |
NEPA |
National Environmental Protection Act |
NOAA |
National Oceanic and Atmospheric Administration |
NRDG |
Noise Reduction Design Goal |
NSDI |
National Spatial Data Infrastructure |
NSR |
Noise Study Report |
ORI |
Orthorectified Radar Intensity Image |
PCE |
Passenger Car Equivalent |
PI |
Principal Investigator |
PIC |
Principal in Charge |
PM |
Project Manager |
QA |
Quality Assurance |
QA/QC |
Quality Assurance / Quality Control |
QL |
Quality Level |
QMS |
Quality Management System |
SHA |
State Highway Agency |
SI |
Substantial Increase |
SPCS |
State Plane Coordinate System |
TeNS |
Technical Noise Supplement |
TIN |
Triangulated Irregular Network |
TNM |
Traffic Noise Model |
TRB |
Transportation Research Board |
U.S. |
United States |
USDA |
U.S. Department of Agriculture |
USDOT |
U.S. Department of Transportation |
USGS |
U.S. Geological Survey |
VDOT |
Virginia Department of Transportation |
vph |
Vehicles per Hour |
