| Acronym |
Definition |
| AADT |
average annual daily traffic |
| AASHTO |
American Association of State Highway and Transportation Officials |
| AB |
annual benefit |
| ALPRS |
automated license plate recognition system |
| APC |
automatic passenger counter |
| ARTIMIS |
Advanced Regional Traffic Interactive Management and Information System |
| ATDM |
Active Transportation and Demand Management |
| ATMS |
automated traffic management system |
| ATSAC |
Automated Traffic Surveillance and Control (center) |
| AVL |
automatic vehicle location |
| AVI |
Automatic Vehicle Identification |
| AVO |
average vehicle occupancy |
| AWWS |
Automated Wind Warning System |
| BCA |
benefit-cost analysis |
| BCMOT |
British Columbia Ministry of Transportation |
| BCR |
benefit-cost ratio |
| BDS |
automated bus dispatching system |
| CAFE |
Corporate Average Fuel Economy |
| Caltrans |
California Department of Transportation |
| CCTV |
closed circuit television |
| CHART |
Coordinated Highways Action Response Team |
| CMV |
commercial motor vehicles |
| COATS |
California / Oregon Advanced Transportation Systems |
| CPI |
Consumer Price Index |
| CRD |
Congestion Reduction Demonstrations |
| CUTR |
Center for Urban Transportation Research (University of South Florida) |
| DMS |
dynamic message signs |
| DRCOG |
Denver Regional Council of Governments' |
| EUAC |
Equivalent Uniform Annual Cost |
| ESS |
environmental sensor station |
| FHWA |
Federal Highway Administration |
| FITSEval |
Florida ITS Evaluation |
| FSPE |
Freeway Service Patrol Evaluation |
| GPS |
global positioning system |
| GLTS |
Green Light Transportation System |
| HAR |
highway advisory radio |
| HCM |
Highway Capacity Manual |
| HERS-ST |
Highway Economic Requirements System |
| HOV/HOT |
high occupancy vehicle/high occupancy toll (lane) |
| HPMS |
Highway Performance Monitoring System |
| IDAS |
Intelligent Transportation Systems Deployment Analysis System |
| IIHS |
Insurance Institute for Highway Safety |
| ITS |
Intelligent Transportation Systems |
| LADOT |
Los Angeles Department of Transportation |
| LOS |
level of service |
| MAARS |
Maryland Automatic Accident Reporting System |
| MATOC |
Metropolitan Area Transportation Operations Coordination Program |
| MBCA |
Multimodal Benefit-Cost Analysis |
| MDSHA |
Maryland State Highway Administration |
| MDSS |
Maintenance Decision-Support System |
| MOE |
measures of effectiveness |
| MPO |
metropolitan planning organizations |
| MTA |
Metropolitan Transportation Authority |
| MUL |
managed use lanes |
| MWCOG |
Metropolitan Washington Council of Governments |
| NCR |
National Capital Region |
| NEPA |
National Environmental Policy Act |
| NPV |
net present value |
| O&M |
operations and maintenance |
| OKI |
Ohio-Kentucky-Indiana |
| OMB |
Office of Management and Budget |
| P4O |
planning for operations |
| PWOB |
present worth of benefits |
| PWOC |
divided by the present worth of costs |
| PBC TED |
Palm Beach County Traffic Engineering Department |
| PDO |
Property damage only (crash) |
| RITIS |
Regional Integrated Transportation Information System |
| RTMC |
Regional Traffic Management Center |
| RWM |
road weather management |
| RWMIS |
road weather management information systems |
| SCRITS |
Screening Tool for ITS |
| SHRP 2 |
Strategic Highway Research Program 2 |
| SMART |
System Management for Advanced Roadway Technologies |
| SOC |
Statewide Operations Center |
| STEAM |
Surface Transportation Efficiency Analysis Model |
| TIGER |
Transportation Investment Generating Economic Recovery |
| TOC |
transportation operations center |
| TOPS-BC |
Tool for Operations Benefit-Cost Analysis |
| TREDIS |
Transportation Economic Development Impact System |
| TRIMMS |
Trip Reduction Impacts of Mobility Management Strategies |
| TSP |
Traffic Signal Priority |
| TSMO |
transportation systems management and operations |
| UPA |
Urban Partnership Agreements |
| USDOT |
United States Department of Transportation |
| V/C |
volume to capacity (ratio) |
| VMT |
vehicle miles traveled |
| VOC |
volatile organic compounds |
| WIM |
weigh-in-motion |
| YOE |
year of expenditure (dollars) |
