| AADT |
average annual daily traffic |
| AASHTO |
American Association of State Highway and Transportation Officials |
| ANN |
artificial neural network |
| ADT |
average daily traffic |
| ATDM |
active transportation and demand management |
| ATM |
active traffic management |
| ATMS |
advanced traffic management system |
| ATR |
automatic traffic recorder |
| AVL |
automatic vehicle location |
| AWWS |
automated wind warning system |
| BCA |
benefit cost analysis |
| BCR |
benefit cost ratio |
| CAL-BC |
California Life-Cycle Benefit/Cost Analysis Model |
| CCTV |
closed circuit television |
| CDPD |
cellular digital packet data |
| CMA |
calcium magnesium acetate |
| CMAQ |
congestion mitigation and air quality |
| COATS |
California / Oregon Advanced Transportation System |
| CPI |
Consumer Price Index |
| CV |
connected vehicle |
| DOT |
department of transportation |
| DTS |
dynamic traffic signal |
| EMDSS |
enhanced maintenance decision support system |
| EMFITS |
Evaluation Model for Freeway ITS Scoping |
| ESS |
environmental sensor stations |
| FAST |
fixed automatic spray technology |
| FEMA |
Federal Emergency Management Agency |
| FHWA |
Federal Highway Administration |
| FSUTMS |
Florida Standard Urban Transportation Modeling System |
| GIS |
geographic information system |
| GPS |
Global Positioning System |
| HCM |
Highway Capacity Manual |
| HERS |
Highway Economic Requirements System |
| HOP |
Office of Operations |
| HOV |
high-occupancy vehicle |
| HWDS |
high water detection system |
| IDAS |
ITS Deployment Analysis System |
| ITD |
Idaho Transportation Department |
| ITS |
intelligent transportation system |
| IVU |
in-vehicle unit |
| KDOT |
Kansas Department of Transportation |
| MBCA |
multimodal benefit cost analysis |
| MDOT |
Michigan Department of Transportation |
| MDSS |
maintenance decision support system |
| MDT |
mobile data terminal |
| MNDOT |
Minnesota Department of Transportation |
| MOE |
measure of effectiveness |
| MP |
milepost |
| MPH |
miles per hour |
| MPO |
metropolitan planning organization |
| MS |
Microsoft |
| MTC |
Metropolitan Transportation Commission |
| NA |
not available |
| NB |
northbound |
| NCHRP |
National Cooperative Highway Research Program |
| NDDOT |
North Dakota Department of Transportation |
| NDOR |
Nebraska Department of Roads |
| NEPA |
National Environmental Policy Act |
| NJDOT |
New Jersey Department of Transportation |
| NPV |
net present value |
| OATS |
Office of Advanced Transportation Systems |
| OBE |
on-board equipment |
| ODOT |
Oregon Department of Transportation |
| OMB |
The U.S. Office of Management and Budget |
| P4O |
Planning for Operations |
| PDO |
property damage only |
| PFDSS |
Pooled Fund Decision Support System |
| PWOB |
present worth of benefits |
| PWOC |
present worth of costs |
| ROR |
rate of return |
| RSE |
roadside equipment |
| RWIS |
road weather information system |
| RWM |
road weather management |
| RWMIS |
road weather management information system |
| SB |
southbound |
| SCRITS |
Screening Tool for ITS |
| SDDOT |
South Dakota Department of Transportation |
| SHRP 2 |
Strategic Highway Research Program 2 |
| SR |
State Route |
| STA |
state transportation agency |
| STEAM |
Surface Transportation Efficiency Analysis Model |
| TDM |
traffic demand management |
| TDM |
travel demand model |
| TIGER |
Transportation Investment Generating Economic Recovery |
| TMC |
traffic management center |
| TOC |
traffic operations center |
| TOPS-BC |
Tool for Operations Benefit/Cost Analysis |
| TRIMMS |
Trip Reduction Impacts of Mobility Management Strategies |
| TSMO |
transportation systems management and operations |
| TxDOT |
Texas Department of Transportation |
| UDOT |
Utah Department of Transportation |
| USDOT |
United States Department of Transportation |
| V/C ratio |
vehicle to capacity ratio |
| VMT |
vehicle miles traveled |
| VOC |
vehicle operating costs |
| VSL |
variable speed limit |
| WRATM |
weather responsive active traffic management |
| WSDOT |
Washington State Department of Transportation |
| WYDOT |
Wyoming Department of Transportation |
