| AASHTO |
American Association of State Highway and Transportation Officials |
| AC |
Alternating current |
| ANSI |
American National Standards Institute |
| ATC |
Advanced Traffic Controller |
| ATIS |
Advanced Traffic Information System |
| AWS |
American Welding Society |
| C2F |
Center-to-Field |
| CALTRANS |
California Department of Transportation |
| CCB |
Configuration Control Board |
| CCTV |
Closed Circuit Television |
| CDR |
Critical Design Review |
| CDRL |
Contract Deliverable Requirements List |
| CI |
Configuration Item |
| CM |
Configuration Management |
| CMM |
Capability Maturity Model |
| CMMI |
Capability Maturity Model Integration |
| COTS |
Commercial-Off-The-Shelf |
| CSC |
Computer Software Component |
| CSCI |
Computer Software Configuration Item |
| DAT |
Design Acceptance Test |
| DC |
Direct Current |
| DMS |
Dynamic Message Sign |
| DSRC |
Direct Short Range Communications |
| DUT |
Device Under Test |
| FAT |
Factory Acceptance Test |
| FDS |
Field Device Simulator |
| FDOT |
Florida Department of Transportation |
| FHWA |
Federal Highway Administration |
| GIS |
Geographical Information System |
| GUI |
Graphics User Interface |
| HRS |
Hardware Requirements Specification |
| HWC |
Hardware Component |
| HWCI |
Hardware Configuration Item |
| ICD |
Interface Control Document |
| IEEE |
Institute of Electrical and Electronics Engineers |
| ISO |
International Organization for Standardization |
| ISTEA |
Intermodal Surface Transportation Efficiency Act |
| ITE |
Institute of Traffic Engineers |
| ITS |
Intelligent Transportation System |
| LCD |
Liquid Crystal Display |
| MIB |
Management Information Base |
| MIL |
Military |
| MS/ETMCC |
Message Set for External TMC Communications |
| MTBF |
Mean Time Between Failures |
| MTTF |
Mean Time To Failure |
| MTTR |
Mean Time To Restore |
| NEMA |
National Electrical Manufacturers Association |
| NMS |
Network Management System |
| NTCIP |
National Transportation Communications for ITS Protocol |
| NY |
New York (State) |
| OTDR |
Optical Time Domain Reflectometer |
| QA |
Quality Assurance |
| QPL |
Qualified Products List |
| PC |
Personal Computer, Printed Circuit (Board) |
| PDR |
Preliminary Design Review |
| R &D |
Research and Development |
| RDBM |
Relational Data Base Management |
| RF |
Radio Frequency |
| RFC |
Request for Comment |
| SDF |
Software Development Folder |
| SEP |
Systems Engineering Process |
| SFMP |
Simple Fixed Message Protocol |
| SNMP |
Simple Network Management Protocol |
| SPCR |
System Problem/Change Request (Form) |
| SRS |
Software Requirements Specification |
| STMP |
Simple Transportation Management Protocol |
| TEA |
Transportation Equity Act |
| TEES |
Traffic Engineering Electrical Specification |
| TERL |
Traffic Engineering Research Laboratory |
| TCIP |
Transit Communication Interface Protocol |
| TMC |
Traffic Management Center |
| TMDD |
Transportation Management Data Dictionary |
| TMS |
Transportation Management System |
| TTP |
Technical Test Procedure |
| USDOT |
United States Department of Transportation |
| V & V |
Verification and Validation |
| VCRM |
Verification Cross Reference Matrix |
