| AAR |
after-action review |
| AASHTO |
American Association of State Highway and Transportation Officials |
| ABS |
anti-lock braking system |
| API |
application programming interface |
| ATMS |
advanced traffic management systems |
| ATSPM |
automated traffic signal performance measure |
| AVL |
automated vehicle location |
| BSM |
basic safety message |
| CAD |
computer-aided dispatch |
| CANBus |
controller area network bus |
| CATT |
Center for Advanced Transportation Technology |
| CCP |
Connected Citizens Program |
| CCTV |
closed-circuit television |
| CHART |
Coordinated Highways Action Response Team |
| CHP |
California Highway Patrol |
| CV |
connected vehicle |
| DMS |
dynamic message sign |
| DMV |
department of motor vehicles |
| DOT |
department of transportation |
| DSRC |
dedicated short-range communications |
| DSS |
decision support system |
| EMDSS |
enhanced maintenance and decision support system |
| FDOT |
Florida Department of Transportation |
| FHWA |
Federal Highway Administration |
| GIS |
geographical information system |
| GPS |
Global Positioning System |
| GTFS |
general transit feed specification |
| HAR |
highway advisory radio |
| ICC |
I-95 Corridor Coalition |
| ICM |
integrated corridor management |
| IGA |
intergovernmental agreement |
| INFLO |
intelligent network flow optimization |
| IT |
information technology |
| ITS |
intelligent transportation systems |
| JSON |
Javascript object notation |
| LIDAR |
light detection and ranging MAC address media access control address |
| MAC |
media access control (address) |
| MAP-21 PM3 |
Moving Ahead for Progress in the 21st Century third performance measure rule |
| MATOC |
Metropolitan Area Transportation Operations Coordination |
| MAW |
motorist advisory and warning |
| MPO |
metropolitan planning organization |
| MSA |
metropolitan statistical area |
| NPMRDS |
National Performance Management Research Data Sharing |
| O-D |
origin-destination |
| OEM |
original equipment manufacturer |
| OSM |
OpenStreetMap |
| O&M |
operations and maintenance |
| PANYNJ |
Port Authority of New York and New Jersey |
| PFS |
pooled fund study |
| RFID |
radio frequency identification |
| RFP |
request for proposal |
| RGB |
Red, Green, Blue |
| RITIS |
Regional Integrated Transportation Information System |
| RSU |
roadside unit |
| RTC |
realtime closure |
| RTIMIS |
Realtime Traffic Incident Management Information System |
| RWIS |
road weather information system |
| SaaS |
software as a service |
| Skyline |
Skyline Technology Solutions |
| SPaT |
signal phase and timing |
| TMC |
transportation management center |
| TNC |
transportation network company |
| TOC |
traffic operations center |
| Total Traffic |
Total Traffic & Weather Network |
| TSMO |
transportation systems management and operations |
| UCAR |
University Corporation for Atmospheric Research |
| UDOT |
Utah Department of Transportation |
| UPS |
United Parcel Service |
| USDOT |
United States Department of Transportation |
| VDOT |
Virginia Department of Transportation |
| VMT |
vehicle miles traveled |
| VSP |
Virginia State Police |
| XD |
extreme definition |
| XML |
extensible markup language |