Office of Operations
21st Century Operations Using 21st Century Technologies

Chapter 6. Glossary of Abbreviations and Terms

AADT – Annual Average Daily Traffic

AASHTO – American Association of State Highway and Transportation Officials

ADOT – Arizona Department of Transportation

AED – Automated External Defibrillator

ATIS – Advanced Traveler Information Systems

AVL – Automatic Vehicle Location

Caltrans – California Department of Transportation

CapWIN – Capital Wireless Information Net

CCTV – Closed Circuit Television

CDL – Commercial Driver’s License

CDOT – Colorado Department of Transportation

CHP – California Highway Patrol

CMAQ – Congestion Mitigation and air Quality

Congestion Initiative – The National Strategy to Reduce Congestion on America’s Transportation Network. Announced initiative and plan by U.S. DOT to reverse trends of congestion.

ConOps – Concept of Operations. A formal document that provides a user-oriented view of a proposed new system. (Source: IEEE Guide for Information Technology-System)

DDOT – District Department of Transportation

DHS – Department of Homeland Security

DMS – Dynamic Message Sign also referred to as a Variable Message Sign (VMS)

DOT – Department of Transportation

DOTD – Louisiana Department of Transportation and Development

DPS – Arizona Department of Public Safety

DWI – Driving While Intoxicated

EMS – Emergency Medical Services

EMT – Emergency Medical Technician

EOC – Emergency Operations Center

ESF – Emergency Support Function

ETO – Emergency Transportation Operations

FDOT – Florida Department of Transportation

FFSP – Full-Function Service Patrol

FHP – Florida Highway Patrol

FHWA – Federal Highway Administration

FSP – Freeway Service Patrol

FTO – Field Traffic Officer

GDOT – Georgia Department of Transportation

GED – General Equivalency Diploma or General Educational Development

GPS – Global Positioning System

HAZMAT – Hazardous Materials

HAZWOPER – Hazardous Waste Operations and Emergency Response Standard

HOT – High Occupancy Toll

HOV – High Occupancy Vehicle

HSPD – Homeland Security Presidential Directive

IC – Incident Commander

ICS – Incident Command System

IDOT – Illinois Department of Transportation

IMAP – Incident Management Assistance Patrol

IR – Incident Response

IRU – Incident Response Unit

ITS – Intelligent Transportation Systems

ITS JPO – ITS Joint Program Office

KDOT – Kansas Department of Transportation

KHP – Kansas Highway Patrol

MAG – Maricopa Association of Governments

MAP – Motorist Assistance Program

MDOT – Michigan Department of Transportation

MDX – Miami-Dade Expressway Authority

MnDOT – Minnesota Department of Transportation

MoDOT – Missouri Department of Transportation

MOU – Memorandum of Understanding

MPO – Metropolitan Planning Organization

MUTCD – Manual on Uniform Traffic Control Devices

NCDOT – North Carolina Department of Transportation

NDOT – Nevada Department of Transportation

NFPA – National Fire Protection Agency

NHS – National Highway System

NHTSA – National Highway Traffic Safety Administration

NIMS – National Incident Management System. “The National Incident Management System provides a systematic, proactive approach guiding departments and agencies at all levels of government, the private sector, and nongovernmental organizations to work seamlessly to prepare for, prevent, respond to, recover from, and mitigate the effects of incidents, regardless of cause, size, location, or complexity, in order to reduce the loss of life, property, and harm to the environment.” (Source: National Incident Management System, FEMA 501, Draft August 2007)

NRF – National Response Framework

NTIMC – National Traffic Incident Management Coalition

NTTA – North Texas Tollway Authority

NUG – National Unified Goal. Established by the NTIMC, the NUG is: responder safety; safe, quick clearance; and prompt, reliable, interoperable communications.

NYSDOT – New York State Department of Transportation

OSHA – Occupational Safety and Health Administration

ODOT – Oregon Department of Transportation

PennDOT – Pennsylvania Department of Transportation

PIO – Public Information Officer

PPP – Public-Private Partnership

RITA – Research and Innovative Technology Administration

ROP – Roadway Operations Patrol

RTMC – Regional Traffic Management Center

SANDAG – San Diego Association of Governments

SHSP – Strategic Highway Safety Plan

SLERS – State Law Enforcement Radio System

SOG – Standard Operating Guideline

SOP – Standard Operating Procedure

SPV – Service Patrol Vehicle

TCL – Target Capabilities List

TCT – Traffic Control Technician

TDOT – Tennessee Department of Transportation

TEMA – Tennessee Emergency Management Agency

Florida Department of Transportation radio truckTIM – Traffic Incident Management. Defined as “the systematic, planned, and coordinated use of human, institutional, mechanical, and technical resources to reduce the duration and impact of incidents, and improve the safety of motorists, crash victims, and incident responders.” (Source: Traffic Incident Management Handbook)

TIM Responder – Personnel responding to an incident that mitigate its effects. May include personnel from law enforcement, fire service, emergency medical services, HAZMAT, emergency management and public works

TMC – Traffic Management Center, may also be known as a Traffic Operations Center

Traffic Control Device – “All signs, signals, markings, and other devices used to regulate, warn, or guide traffic placed on, over, or adjacent to a street, highway, pedestrian facility, or bikeway by authority of a public agency having jurisdiction.” (Source: MUTCD)

Traffic Incident – “An emergency road user occurrence, a natural disaster, or other nonrecurring or unplanned event that affects or impedes the normal flow of traffic” (Source: MUTCD); or “Non-recurring event that causes a reduction of roadway capacity or an abnormal increase in demand” (Source: Freeway Management and Operations Handbook)

TTC – Temporary Traffic Control. In the context of the Service Patrol Handbook, TTC services are used in emergency or traffic incident situations. TTC devices, equipment, and personnel are implemented in response to an unplanned traffic incident. Typically includes resources that are “on-hand” and readily available to TIM responders and the FFSP. Should not be confused with TTC imposed in response to highway maintenance, highway work zones or planned major events with longer durations.

TxDOT – Texas Department of Transportation

U.S. DOT – United States Department of Transportation

WSDOT – Washington State Department of Transportation

WisDOT – Wisconsin Department of Transportation

July 9, 2008
Publication #FHWA-HOP-08-031