| AASHTO |
American Association of State Highway and Transportation Officials |
| AERIS |
Applications for the Environment: Real-Time Information Synthesis |
| AMS |
American Meteorological Society |
| APWA |
American Public Works Association |
| ASOS |
automated surface observing system |
| ATDM |
active transportation and demand management |
| ATM |
active traffic management |
| AWOS |
automated weather observing system |
| AVL |
automatic vehicle location |
| BASC |
Board on Atmospheric Sciences and Climate |
| BCA |
benefit/cost analysis |
| CAMP |
Crash Avoidance Metrics Partnership |
| CATT |
Center for Advanced Transportation Technology |
| CITE |
Consortium for ITS Training and Education |
| CMF |
compatibility maturity framework |
| CMM |
Capability Maturity Model |
| CV |
connected vehicle |
| CVRIA |
connected vehicle reference implementation architecture |
| DCM |
Data Capture and Management program |
| DMA |
dynamic mobility application |
| DMS |
dynamic message sign |
| DOT |
department of transportation |
| EMDSS |
enhanced maintenance decision support system |
| ESS |
environmental sensor station |
| FAA |
Federal Aviation Administration |
| FAST |
fixed automated spray technologies |
| FHWA |
Federal Highway Administration |
| FARS |
Fatality Analysis Reporting System |
| FI |
frost index |
| GES |
General Estimates System |
| GPS |
global position system |
| HAR |
Highway Advisory Radio |
| HCM |
Highway Capacity Manual |
| ICWS |
ice curve warning system |
| IMO |
integrated mobile observations |
| INVEST |
Infrastructure Voluntary Evaluation Sustainability Tool |
| ITD |
Idaho Transportation Department |
| ITE |
Institute of Transportation Engineers |
| ITS |
intelligent transportation systems |
| ITS-JPO |
Intelligent Transportation Systems Joint Program Office |
| ITSA |
Intelligent Transportation Systems of America |
| ITS America |
Intelligent Transportation Society of America |
| KTT |
knowledge and technology transfer |
| MADIS |
Meteorological Assimilation Data Ingest System |
| MAP-21 |
Moving Ahead for Progress in the 21st Century Act |
| MAW |
motorists' advisories and warnings |
| MDSS |
maintenance decision support systems |
| MVMT |
million vehicle miles traveled |
| NASS |
National Automotive Sampling System |
| NCAR |
National Center for Atmospheric Research |
| NCHRP |
National Cooperative Highway Research Program |
| NHTSA |
National Highway Traffic Safety Administration |
| NMVCCS |
National Motor Vehicle Crash Causation Survey |
| NOAA |
National Oceanic and Atmospheric Administration |
| NOCoE |
National Operations Center of Excellence |
| NTCIP |
National Transportation Communications for ITS Protocol |
| NWS |
National Weather Service |
| O&M |
operations and maintenance |
| OAR |
Office of Oceanic & Atmospheric Research |
| OEI |
operations efficiency index |
| OFCM |
Office of the Federal Coordinator for Meteorology |
| OHPI |
Office of Highway Policy Information |
| PIARC |
World Road Association |
| PCB |
professional capacity building |
| PFS |
pooled fund study |
| PM |
performance measure |
| R&D |
research and development |
| RITA |
Research and Innovative Technology Administration |
| ROI |
return on investment |
| RW |
road weather |
| RWIS |
road weather information systems |
| RWM |
road weather management |
| RWMP |
Road Weather Management Program |
| SAFETEA-LU |
Safe, Accountable, Flexible, Efficient, Transportation Equity Act - A Legacy for Users |
| SCOM |
Subcommittee on Maintenance |
| SICOP |
Snow and Ice Cooperative Program |
| SHRP2 |
Strategic Highway Research Program 2 |
| SOP |
standard of practice or standard operational procedure |
| SWIW |
spot weather impact warning |
| TOPS-BC |
Tools for Operations Benefit-Cost |
| TRB |
Transportation Research Board |
| TD |
transportation department |
| TrEPS |
traffic estimation and prediction system |
| UDOT |
Utah Department of Transportation |
| U.S. |
United States |
| USDOT |
United States Department of Transportation |
| USGS |
United States Geological Survey |
| V2I |
vehicle to infrastructure |
| VDT |
vehicle data translator |
| VIIC |
Vehicle Infrastructure Integration Consortium |
| VMT |
vehicle miles traveled |
| VSL |
variable speed limits |
| WDE |
Weather Data Environment |
| WMTSP |
Winter Maintenance Technical Service Program |
| WRTM |
weather responsive traffic management |
| WSI |
winter severity index |
