AASHTO | American Association of State Highway and Transportation Officials |
ABS | Antilock Brake System |
AD | Archived Data |
ADA | Americans with Disabilities Act |
ADMS | Archived Data Management Subsystem |
ADUS | Archived Data User Service |
AFD | Architecture Flow Diagram |
AHS | Automated Highway System |
AID | Architecture Interconnect Diagram |
AMPS | Advanced Mobile Phone System |
ANSI | American National Standards Institute |
APTS | Advanced Public Transportation System |
ASP | Application Service Provider |
ASTM | American Society for Testing and Materials |
ATC | Automatic Train Control, Advanced Transportation Controller |
ATIS | Advanced Traveler Information System |
ATM | Asynchronous Transfer Mode |
ATMS | Advanced Traffic Management System |
AVCS | Advanced Vehicle Control System |
AVI | Automated Vehicle Identification |
AVL | Automated Vehicle Location |
AVO | Automated Vehicle Operation |
CAA | Clean Air Act |
CAD | Computer Aided Dispatch |
CASE | Computer Aided Systems Engineering, Computer Aided Software Engineering |
CCTV | Closed Circuit TV |
CD | Compact Disc |
CDMA | Code Division Multiple Access |
CDPD | Cellular Digital Packet Data |
CD-ROM | CD Read Only Memory |
CMS | Changeable Message Sign, Congestion Management System |
CMP | Congestion Management Process |
COG | Council of Governments |
CONOPS | Concept of Operations |
COTR | Contracting Officer Technical Representative |
CSP | Communication Service Provider |
CV | Commercial Vehicle |
CVAS | Commercial Vehicle Administration Subsystem |
CVCS | Commercial Vehicle Check Subsystem |
CVISN | Commercial Vehicle Information Systems and Networks |
CVO | Commercial Vehicle Operations |
CVS | Commercial Vehicle Subsystem |
DAB | Digital Audio Broadcast |
DD | Data Dictionary |
DDE | Data Dictionary Element |
DFD | Data Flow Diagram |
DGPS | Differential Global Positioning System |
DMS | Dynamic Message Sign |
DMV | Department of Motor Vehicles |
DOD | Department of Defense |
DOT | Department of Transportation |
DRE | Disaster Response & Evacuation |
DSRC | Dedicated Short Range Communications |
DTA | Dynamic Traffic Assignment |
DVD | Digital Video Disc |
E9-1-1 | Enhanced 9-1-1 |
ECPA | Electronic Communications Privacy Act |
EDI | Electronic Data Interchange |
EDL | Electronic Document Library |
EDP | Early Deployment Plan |
EM | Emergency Management Subsystem |
EMC | Emergency Management Center |
EMMS | Emissions Management Subsystem |
EMS | Emergency Medical Services |
EPA | Environmental Protection Agency |
ESMR | Enhanced SMR |
ETA | Expected Time of Arrival |
ETS | Emergency Telephone Services |
ETTM | Electronic Toll and Traffic Management |
EVS | Emergency Vehicle Subsystem |
FARS | Fatal Accident Reporting System |
FCC | Federal Communications Commission |
FHWA | Federal Highway Administration |
FIPS | Federal Information Processing Standard |
FMC | Freeway Management Center |
FMCSA | Federal Motor Carrier Safety Administration |
FMS | Fleet and Freight Management Subsystem |
FOT | Field Operational Test |
FPR | Final Program Review |
FTA | Federal Transit Administration |
FTP | File Transfer Protocol |
GIS | Geographic Information System |
GPS | Global Positioning System |
HAR | Highway Advisory Radio |
HAZMAT | HAZardous MATerial(s) |
HOV | High Occupancy Vehicle |
HRI | Highway Rail Intersection |
HSR | High Speed Rail |
HTF | Highway Trust Fund |
HTML | Hypertext Markup Language |
HTTP | Hypertext Transfer Protocol |
HUD | Head-Up Display |
IBC | International Border Clearance |
IBC | International Border Clearance |
ICD | Interface Control Document/Drawing |
IDAS | ITS Deployment Analysis System |
IFB | Invitation for Bid |
IP | Internet Protocol |
IPR | Interim Program Review |
ISO | International Standards Organization |
ISP | Information Service Provider |
ISTEA | Intermodal Surface Transportation Efficiency Act |
IT | Information Technology |
ITE | Institute of Transportation Engineers |
ITI | Intelligent Transportation Infrastructure |
ITS | Intelligent Transportation Systems |
ITS-A | Intelligent Transportation Society of America |
IVHS | Intelligent Vehicle Highway Systems |
IVIS | In-Vehicle Information System |
JPO | Joint Program Office |
LAN | Local Area Network |
LCD | Liquid Crystal Display |
LED | Light Emitting Diode |
LEO | Low-Earth Orbit satellite system |
LPD | Liability and Property Damage |
LRMS | Location Reference Messaging Standard |
LRP | Long Range Plan |
LRTP | Long Range Transportation Plan |
MAN | Metropolitan Area Network |
MCMS | Maintenance and Construction Subsystem |
MCO | Maintenance and Construction Operations |
MCVS | Maintenance and Construction Vehicle Subsystem |
MDI | Model Deployment Initiative |
MIS | Major Investment Studies |
MMDI | Metropolitan MDI |
MMI | Man-Machine Interface (or Interaction) |
MOE | Measure Of Effectiveness |
MOU | Memorandum of Understanding |
MPA | Metropolitan Planning Area |
MPH | Miles per Hour |
MPO | Metropolitan Planning Organization |
MTP | Metropolitan Transportation Plan |
NAAQS | National Ambient Air Quality Standards |
NAV | Navigation |
NEMA | National Electrical Manufacturers Association |
NHI | National Highway Institute |
NHPN | National Highway Planning Network |
NHTSA | National Highway Traffic Safety Administration |
NII | National Information Infrastructure (aka Information Superhighway) |
NPRM | Notice of Proposed Rule Making |
NTCIP | National Transportation Communications for ITS Protocol |
OEM | Original Equipment Manufacturer |
OSI | Open Systems Interconnection |
OTP | Operational Test Plan |
PC | Personal Computer |
PCS | Personal Communications System |
PDA | Personal Digital Assistant |
PE | Preliminary Engineering |
PIAS | Personal Information Access Subsystem |
PMS | Parking Management Subsystem |
PS&E | Plans, Specifications, and Estimates |
PSPEC | Process Specification |
PSTN | Public Switched Telephone Network |
PTS | Positive Train Separation |
R&D | Research and Development |
RDS | Radio Data Systems |
RDS-TMC | Radio Data Systems incorporating a Traffic Message Channel |
RFP | Request For Proposal |
RFQ | Request for Quotation |
RS | Roadway Subsystem |
RTA | Regional Transit Authority |
RTP | Regional Transportation Plan |
RTPA | Regional Transportation Planning Agency |
RTS | Remote Traveler Support Subsystem |
RWIS | Road Weather Information System |
SAE | Society of Automotive Engineers |
SAFETEA-LU | Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users |
SC | Single Click |
SDO | Standards Development Organization |
SDP | Strategic Deployment Plan |
SEMP | Systems Engineering Management Plan |
SIP | Statewide Implementation Plan |
SMR | Specialized Mobile Radio |
SNMP | Simple Network Management Protocol |
SONET | Synchronous Optical Network |
SOV | Single Occupancy Vehicle |
SOW | Statement of Work |
SQL | Structured Query Language |
SSR | Standard Speed Rail |
STIP | Statewide Transportation Improvement Program |
STMF | Simple Transportation Management Framework |
STMP | Simple Transportation Management Protocol |
STP | Statewide Transportation Plan |
TAS | Toll Administration Subsystem |
TCIP | Transit Communications Interface Profiles |
TCP | Transport Control Protocol |
TCS | Toll Collection Subsystem |
TDM | Travel Demand Management |
TDMA | Time Division Multiple Access |
TEA-21 | Transportation Equity Act for the 21st Century |
TIP | Transportation Improvement Program |
TM | Traffic Management |
TMA | Transportation Management Area |
TMC | Traffic Management Center |
TMDD | Traffic Management Data Dictionary |
TMS | Traffic Management Subsystem |
TOC | Traffic Operations Center |
TRB | Transportation Research Board |
TRMC | Transit Management Center |
TRMS | Transit Management Subsystem |
TRT | Technical Review Team |
TRVS | Transit Vehicle Subsystem |
UDP | User Datagram Protocol |
UPWP | Unified Planning Work Plan |
USDOT | United States Department of Transportation |
USR | User Service Requirement |
VMS | Variable Message Sign |
VRC | Vehicle/Roadside Communications |
VS | Vehicle Subsystem |
WAN | Wide Area Network |
WIM | Weigh-in Motion |
WWW | World Wide Web |