Acronym FAQ

AcronymExplanation and Links
ADAAmericans with Disabilities Act
AADTAnnual Average Daily traffic
AVLAutomatic Vehicle Locator
CAAClean Air Act (link to EPA's "Plain English Guide")
CAAAClean Air Act Amendments of 1990
CBDCentral Business District
CMAQCongestion Mitigation and Air Quality funds
CMSCongestion Management System
CNSTConstruction (phase of a project)
NYSDOTNew York State Department of transportation
E+CExisting plus committed network (used in modeling)
EAEnvironmental Assessment
EISEnvironmental Impact Statement
ENGEngineering (phase of a project)
EPAEnvironmental Protection Agency
FAAFederal Aviation Administration
FAUFederal-Aid Urban
FHWAFederal Highway Administration
FRAFederal Railroad Administration
FTAFederal transit Administration
FYFiscal Year (Federal, runs from October to September)
GISGeographic Information Systems
HOVHigh Occupancy Vehicle
HPMSHighway Performance Monitoring System
IMInterstate Maintenance funds
ISTEAIntermodal Surface transportation Efficiency Act of 1991
ITSIntelligent transportation Systems
IVHSIntelligent Vehicle and Highway Systems (former term for ITS)
LOSLevel of Service -- performance measure


Long Range transportation Plan


Moving Ahead for Progress in the 21st Century
MPOMetropolitan Planning Organization
MTAMetro Transit Authority
NEPANational Environmental Policy Act
NHSNational Highway System funds
PEPreliminary Engineering (phase of a project)
ROWRight-of-Way (phase of a project)
SRState Route
STAState gas tax funds
STPSurface Transportation Program funds
TAZTraffic Analysis Zone (used in modeling)
tdMTransportation Demand Management (also called Transportation Control Measures, or TCMs)
TEA-21 The Transportation Equity Act for the 21st Century
TIPTransportation Improvement Program
TMATransportation Management Area
TSMTransportation System Management
UPWPUnified Planning Work Program
US DOTUnited States Department of Transportation
V/CVolume to Capacity ratio -- measures roadway congestion
VMTVehicle Miles traveled
VOCVolatile Organic Compounds (air pollutants)