APPENDIX A: List of Acronyms

ADA Americans with Disabilities Act
AFS AIRS Facility Subsystem
AFV alternative fuel vehicle
ATS American Travel Survey

BNSF Burlington Northern Santa Fe
BTS Bureau of Transportation Statistics
Btu British thermal unit

CAA Clean Air Act
CFCs chlorofluorocarbons
CFC-12 dichlorofluoromethane
CFS Commodity Flow Survey
CO carbon monoxide
CO2 carbon dioxide

dB decibels
dBA A-weighted decibels
DGBS Differential Global Positioning System
DOT U.S. Department of Transportation
DWT deadweight tons

EIA Energy Information Administration
EPA U.S. Environmental Protection Agency
EV electric vehicle

FAA Federal Aviation Administration
FARS Fatality Analysis Reporting System
FERC Federal Energy Regulatory Commission
FHWA Federal Highway Administration
FRA Federal Railroad Administration
FTA Federal Transit Administration
FY fiscal year

GAO General Accounting Office
GDD Gross Domestic Demand
GDP Gross Domestic Product
GES General Estimates System
GPRA Government Performance and Results Act
GPS Global Positioning System

HAP hazardous air pollutant
HMIS Hazardous Materials Information System
HPMS Highway Performance Monitoring System
HSR high-speed rail

ICAO International Civil Aviation Organization
IRI International Roughness Index
ISTEA Intermodal Surface Transportation Efficiency Act
IT information technologies
ITCS Incremental Train Control System
ITD International Trade Division
ITDB Intermodal Transportation Database
ITS intelligent transportation system

LPG liquefied petroleum gas
LTO landing and takeoff

MAC mobile air conditioning
MACT maximum achievable control technology
MARAD Maritime Administration
mmtc million metric tons of carbon
mpg miles per gallon
mph miles per hour
MPO metropolitan planning organization
MTBE methyl-tertiary-butyl-ether

N2O nitrous oxide
NAFTA North American Free Trade Agreement
NET National Emissions Trends
NHTSA National Highway Traffic Safety Administration
NO2 nitrogen dioxide
NOX nitrogen oxides
NPIAS National Plan of Integrated Airport Systems
NPTS Nationwide Personal Transportation Survey
NTAD National Transportation Atlas Databases
NTI National Toxics Inventory
OPEC Organization of Petroleum Exporting Countries
OPS Office of Pipeline Safety
ORNL Oak Ridge National Laboratory

PCBs polychlorinated biphenyls
PCCIP President’s Commission on Critical Infrastructure Protection
PM-2.5 particulate matter of 2.5 microns in diameter or smaller
PM-10 particulate matter of 10 microns in diameter or smaller
POV privately owned vehicle
PSR Present Serviceability Rating
PUV personal-use vehicle

quads quadrillion

R&D research and development

SCTG Standard Classification of Transported Goods
SM/N small metropolitan/nonmetropolitan
SO2 sulfur dioxide

TEA-21 Transportation Equity Act for the 21st Century
TEM transportation equipment manufacturing
TEU 20-foot equivalent container unit
TIUS Truck Inventory and Use Survey
TRB Transportation Research Board
TRDD transportation-related domestic demand
TRFD transportation-related final demand
TRI Toxics Release Inventory
TRRL Transport and Road Research Laboratory
TSAs Transportation Satellite Accounts
TSAR Transportation Statistics Annual Report
TSAR98 Transportation Statistics Annual Report 1998
TTI Texas Transportation Institute

USACE U.S. Army Corps of Engineers
USCG U.S. Coast Guard
UST underground storage tank

vmt vehicle-miles traveled
VOC volatile organic compounds
VTS Vessel Traffic Service

WHO World Health Organization

Y2K Year 2000

ZEV zero-emission vehicle