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Regional ITS Architecture Guidance Document
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Regional ITS Architecture Guidance Document
| 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 |
