| ACC |
adaptive cruise control |
| AMS |
analysis, modeling, and simulation |
| API |
application programming interface |
| ASOS |
Automated Surface Observing Systems |
| ATDM |
active traffic demand management |
| AV |
automated vehicle |
| AVL |
automated vehicle location |
| AZ |
Arizona |
| BSM |
basic safety message |
| CA |
California |
| CACC |
cooperative adaptive cruise control |
| CFM |
continuous flow metering |
| CO |
Colorado |
| COM |
component object model |
| ConOps |
concept of operations |
| CV |
connected vehicle |
| CVM |
Connected Vehicle Monitor |
| CVP |
connected vehicle pilot |
| CV-VSL |
connected vehicle-based variable speed limit |
| Cyn |
Canyon |
| DIA |
de-icing application |
| DLL |
dynamic linked library |
| DMA |
dynamic mobility application |
| DN |
distress notification |
| DOT |
department of transportation |
| DPS |
department of public safety |
| DPW |
department of public works |
| DSRC |
dedicated short-range communication |
| DUAP |
data use analysis and processing |
| EDC |
Every Day Counts |
| EJMT |
Eisenhower Johnson Memorial Tunnel |
| ELC |
early lane-change |
| EMDSS |
enhanced maintenance decision support system |
| ESS |
environmental sensor station |
| ESV |
Enhanced Safety of Vehicles |
| FCW |
forward collision warning |
| FHWA |
Federal Highway Administration |
| ft/s |
foot per second |
| GPS |
global positioning system |
| HGV |
heavy-goods vehicle |
| HMI |
human-machine interface |
| I–10 |
Interstate 10 |
| I–290 |
Interstate 290 |
| I–290 E |
Interstate 290 East |
| I–290 W |
Interstate 290 West |
| I2V |
infrastructure-to-vehicle |
| I–30 |
Interstate 30 |
| I–35 |
Interstate 35 |
| I–70 |
Interstate 70 |
| I–76 |
Interstate 76 |
| I–80 |
Interstate 80 |
| I–90 |
Interstate 90 |
| I–90 N |
Interstate 90 North |
| I–90 S |
Interstate 90 South |
| I–94 |
Interstate 94 |
| IA |
Iowa |
| ICAO |
International Civil Aviation Organization |
| IMO |
Integrating Mobile Observations |
| IMRCP |
Integrated Modeling for Road Condition Prediction |
| INFLO |
Intelligent Network Flow Optimization |
| IROS |
Intelligent Robots and Systems |
| iTTC |
inverse time-to-collision |
| km/h |
kilometer per hour |
| KS |
Kansas |
| M–14 |
Michigan Highway 14 |
| MI |
Michigan |
| m |
meter |
| m/s |
meter per second |
| MADIS |
Meteorological Assimilation Data Ingest System |
| MAW |
motorist advisories and warnings |
| MDSS |
maintenance decision support system |
| mm |
mile marker |
| mph |
mile per hour |
| MPR |
market penetration rate |
| MT-ITS |
models and technologies for intelligent transportation systems |
| MV |
maintenance vehicle |
| NCDC |
National Climatic Data Center |
| NDEX |
Nevada Data Exchange |
| NFD |
network-wide fundamental diagram |
| NGSIM |
Next Generation Simulation |
| NOAA |
National Oceanic and Atmospheric Administration |
| Nov |
November |
| NREL |
National Renewable Energy Lab |
| ns–3 |
Node Mobility Model |
| NY |
New York |
| OBU |
onboard unit |
| OD |
origin-destination |
| PC |
personal computer |
| PF |
public facility |
| rad/s |
radian per second |
| RSU |
roadside unit |
| RWCV |
road weather connected vehicle |
| RWIS |
road weather information system |
| RWMP |
road weather management program |
| s |
second |
| SHRP2 |
Strategic Highway Research Program 2 |
| SPaT |
signal phasing and timing |
| SPR |
snowplow routing |
| STIP |
State Transportation Improvement Plan |
| STOL |
Saxton Transportation Operations Lab |
| SUMO |
simulation of urban mobility |
| SWIW |
spot weather impact warning |
| TC |
transportation cabinet |
| TFHRC |
Turner-Fairbank Highway Research Center |
| TIM |
traveler information message |
| TMC |
traffic management center or traffic management system |
| TrEPS |
Traffic Estimation and Prediction Tool |
| TSMO |
transportation systems management and operations |
| TSR |
traffic-smoothing rate |
| TTC |
time-to-collision |
| UCLA |
University of California, Los Angeles |
| US–23 |
U.S. Route 23 |
| US–395 |
U.S. Route 395 |
| USDOT |
U.S. Department of Transportation |
| UT |
Utah |
| V2I |
vehicle-to-infrastructure |
| V2V |
vehicle-to-vehicle |
| V2X |
vehicle-to-everything |
| VDT |
Vehicle Data Translator |
| veh/min |
vehicle per minute |
| VMS |
variable message sign |
| VSL |
variable speed limit |
| W |
West |
| WRMS |
weather-responsive management strategy |
| WRTM |
weather-responsive traffic management |
| WxDE |
Weather Data Environment |
| Wx–TINFO |
Weather-Responsive Traveler Information System |
| WY |
Wyoming |
| WYDOT |
Wyoming Department of Transportation |