A

     Architecture
    Architecture Flow
    Architecture Interconnect

    B

     Block
    Browser
    Buffer Index

    C

     Center Subsystems
    Clarus System
    Clean Air Act (CAA)
    Communications Document
    Communications Layer
    Concept of Operations (Con Op)
    Congestion Management Process (CMP)
    Control Delay
    Cost Analysis

    D

     Data Dictionary Entry (DDE)
    Data Flow
    Data Flow Diagram (DFD)
    Data Store

    E

     Element
    EMF
    Equipment Package
    Evaluation Results
    Evaluatory Design
    Executive Summary

    F

     Federal Highway Administration (FHWA)
    Federal Transit Administration (FTA)
    Field - Vehicle Communications
    Field Subsystems
    Fixed Point - Fixed Point Communications
    Functional Requirement

    G

     GIF
    Goals

    H

     High-Occupancy Vehicle (HOV)
    HTML

    I

     Implementation Strategy
    Information Flow
    Institutional Layer
    Intelligent Transportation System (ITS)
    Interconnect
    Intermodal
    Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA)
    Inventory
    Inventory Element
    ITS Architecture
    ITS Knowledge Resources
    ITS Project
    ITS Security Area

    J

     Joint Program Office (JPO)

    K

    L

     Legacy System
    Level of Service (LOS)
    Life cycle
    Logical Architecture
    Logical Architecture Document
    Long-Range Transportation Plan (LRTP)

    M

     Major ITS Project
    Metropolitan Planning Area
    Metropolitan Planning Organization (MPO)
    Metropolitan Transportation Plan (MTP)
    Mission Definition
    Mobility Index
    Mode

    N

     National ITS Architecture
    National Program Plan

    O

     Objectives
    Operational Concept

    P

     Pavement Condition Index
    Performance and Benefits Study
    Performance Measure
    Physical Architecture
    Physical Architecture Document
    Physical Entities
    Planning Factors
    Planning for Operations
    Planning Time Index
    Process
    Process Specification (pspec)
    Project Development
    Project ITS Architecture

    Q

    R

     Region
    Regional ITS Architecture
    Research and Innovative Technology Administration (RITA)
    Risk Analysis
    Road Weather Information System (RWIS)
    Run

    S

     Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (SAFETEA-LU)
    Scalable Vector Graphics
    Securing ITS
    Security Document
    Security Objective
    Security Services
    Security Threat
    Service Package
    Service Packages Document
    Stakeholders
    Standards
    Standards Development Plan
    Statewide Transportation Improvement Program (STIP)
    Statewide Transportation Plan
    Subsystem
    Subsystem Diagram
    System
    System Inventory
    Systems Engineering

    T

     Terminator
    Theory of Operations
    Traceability
    Transportation Demand Management (TDM)
    Transportation Equity Act for the 21st Century (TEA-21)
    Transportation Improvement Program (TIP)
    Transportation Layer
    Transportation Management Area (TMA)
    Transportation Plan
    Transportation Planning Process
    Travel Time Buffer In
    Travel Time Index
    Traveler Subsystems
    Turbo Architecture

    U

     United States Department of Transportation (USDOT)
    User Service Requirement
    User Services
    User Services Bundle

    V

     Vehicle - Vehicle Communications
    Vehicle Miles Traveled (VMT)
    Vehicle Subsystems
    Vision Statement
    Volume-to-Capacity Ratio (V/C)

    W

     Wide Area Wireless (mobile) Communications
    WMF

    X

    Y

    Z