Skip navigation to main content
United States Department of Transportation - Federal Highway Administration FHWA HomeFeedback

List of Acronyms

AADTAverage Annual Daily Traffic
AASHTOAmerican Association of State Highway Transportation Officials
ADMSArchived Data Management Systems
ADTAverage Daily Traffic
ASTMAmerican Society for Testing and Materials
ATISAdvanced Traveler Information System
ATMSAdvanced Traffic Management Systems
ATRAutomatic Traffic Recorder
AVCAutomatic Vehicle Classifier
CaltransCalifornia Department of Transportation
CAMPOCapital Area Metropolitan Planning Organization
CMSCongestion Management System
CORSIM Corridor Simulation
CSVComma-separated value
DOTDepartment of Transportation
DVMTDaily Vehicle Miles Traveled
EDLElectronic Document Library
EPAEnvironmental Protection Agency
FARSFatal Accident Reporting System
FDOTFlorida Department of Transportation
FGDCFederal Geographic Data Committee
FHWAFederal Highway Administration
FTPFile Transfer Protocol
GDOTGeorgia Department of Transportation
GISGeographic Information System
GVWGross Vehicle Weight
HERSHighway Economics Requirements System
HPMSHighway Performance Monitoring System
ISDMIIntegrated Surveillance and Data Management Infrastructure
ISOInternational Standards Organization
ISPInformation Service Provider
ITSIntelligent Transportation System
LRTPLong-range transportation plan
LVACTSLas Vegas Area Commuter Traffic System
MAPEMean absolute percent error
MnDOTMinnesota Department of Transportation
MPOMetropolitan Planning Organization
MTMobility Technologies
MTCMetropolitan Transportation Commission
MVMTMillion miles of travel
NAAQSNational Ambient Air Quality Standard
NHSNational Highway System
ODOTOhio Department of Transportation
PAS Principal Arterial System
QA/QCQuality Assurance/Quality Control
RDBMSRelational Database Management System
RDDRegistered Data Disseminator
RMSERoot mean squared error
RRRoute designation
RTMSRemote Traffic Microwave Sensor
SCUSystem Controller Unit
SUVSport Utility Vehicle
TDQTraffic Data Quality
TDQMTraffic Data Quality Management
TIPTransportation Improvement Program
TMCTraffic Management Center
TMGTraffic Monitoring Guide
TTITexas Transportation Institute
TxDOTTexas Department of Transportation
VDOT Virginia Department of Transportation
VMTVehicle-miles of travel
V/SFVolume to service flow ratio
WIMWeigh-in-Motion
WsDOTWashington State Department of Transportation

Acknowledgments | Table of Contents | Executive Summary



FHWA Home | Feedback
FHWA