A

AA

Alternative Analysis

AAG

Association of American Geographers

AASHTO

American Association of State Highway & Transportation Officials

ACSC

Areas of Critical State Concern

ADA

Americans with Disabilities Act (1990)

ADT

Average Daily Traffic (or Average Daily Trips)

ADU

Accessory Dwelling Unit

AFT

American Farmland Trust

AICP

American Institute of Certified Planners

ALI

American Law Institute

AM

Automated Mapping

AOP

Airport Overlay District

APA

American Planning Association

APFO

Adequate Public Facilities Ordinance

APTA

American Public Transit Association

APTS

Advanced Public Transportation System

APWA

American Public Works Association

ARB

Air Resources Board

ASCE 

American Society of Civil Engineers

ATC 

Automated Toll Collection

ATM

Advanced Traffic Management System

AVR

Average Vehicle Ridership

 B

B - 1, 2.. 

Business zone/use of specified intensity

BID 

Business Improvement District

BLM 

Bureau of Land Management (US)

BMP 

Best Management Program (or Practice)

BOA

Board of Appeals or Board of Adjustment

BoCC

Board of County Commissioners

BOCA 

Building Officials and Code Administrators, International

BP

Building Permit 

BTS

Bureau of Transportation Statistics

 C

C - 1, 2.. 

Commercial zone/use of specified intensity

CAA 

Clean Air Act (see also FCAA)

CAD

Computer Aided Design

CAVE

(Pronounced Cavie) Citizens Against Virtually Everything

CBD 

Central Business District

CBDG 

Community Development Block Grant

CCD 

Census County Division

CC&R's 

Conditions, Covenants and Restrictions

CDC

Community Development Corporation

CofA's 

Conditions of Approval

CMP 

Corrugated Metal Pipe or Construction Management Plan

CF/S 

Cubic Feet per Second

CHAS 

Comprehensive Housing Affordability Strategy

CIP 

Capital Improvements Plan (or Program)

CMAQ 

Congestion Mitigation and Air Quality Program 

CMSA 

Consolidated Metropolitan Statistical Area (see also MSA, SMSA, PMSA)

CO

Certificate of Occupancy

COD 

Corridor Overlay District

COG 

Council of Governments

CRDD 

Community Residences for the Developmentally Disabled

CCRC 

Continuing Care Retirement Community

CUP 

Conditional Use Permit

 D

DLG-E 

Digital Line Graph Enhanced Maps

DOE 

Department of Energy (US)

DOT 

Department of Transportation (US)

DRI 

Developments of Regional Impact

DU 

Dwelling Unit

 E

EC

Enterprise Community

ECHO

Elder Cottage Housing Opportunities

EDA

Economic Development Administration

EIR

Environmental Impact Report

EIS

Environmental Impact Statement

EMF

Electromagnetic Field

EPA

Environmental Protection Agency

ETC

Employee Transportation Coordinator

EZ

Enterprise Zone

 F

FAA

Federal Aviation Administration

FAR

Floor Area Ratio

FCAA

Federal Clean Air Act

FCC

Federal Communications Commission

FEMA

Federal Emergency Management Agency

FGDC

Federal Geographic Data Committee

FHA

Federal Housing Administration

FHWA

Federal Highway Administration

FIRE

Finance, Insurance and Real Estate

FIA

Fiscal Impact Analysis (also Federal Insurance Administration)

FM

Facility Mapping

FMHA

Farmers Home Administration

FNMA

Federal National Mortgage Administration (or Fannie Mae)

FPZ 

Frontage Protection Zone

FTA

Federal Transit Administration

 G

GDP

General Development Plan

GFA

Gross Floor Area

GM

Growth Management

GIS

Geographic Information Systems

GLA

Gross Leasable Area

GPS

Global Positioning System

 H

HOD

Highway Overlay District (also Historic Overlay District)

HOV

High Occupancy Vehicle

HTF

Housing Trust Fund

HUD

US Department of Housing and Urban Development

I 

I - 1, 2.. 

Industrial Zone/use of specified intensity

IDA

Industrial Development Authority

IDO 

Interim Development Ordinance

ITE 

Institute of Transportation Engineers

ICMA 

International City/County Managers Association

ISTEA 

Intermodal Surface Transportation Efficiency Act

L 

LEPC 

Local Emergency Planning Committee

LBCS 

Land-Based Classification Standard

LMC 

Land Management Code

LOD 

Limits of Disturbance

LOS 

Level of Service (traffic flow rating)

LRV 

Light Rail Vehicle

LUI 

Land Use Intensity (standards developed by the Federal Housing Administration)

LULU 

Locally Unwanted Land Use

LUR 

Land Use Ratio

 M

M - 1, 2. 

Manufacturing Zone/use of specified intensity

MPD 

Master Planned Community 

MSA 

Metropolitan Statistical Area (see also CMSA, PMSA, SMSA)

MGD 

Millions of Gallons per Day

MF

Multifamily

MH 

Manufactured Housing

MPO 

Metropolitan Planning Organization

MTS 

Metropolitan Transportation System

MXD

Mixed Use Development

 N

NAHB 

National Association of Home Builders

NAHRO 

National Association of Housing & Redevelopment Officials

NAICS 

North American Industrial Classification System

NARC 

National Association of Regional Councils

NEPA 

National Environmental Policy Act

NGO 

Nongovernmental Organization

NFIP 

National Flood Insurance Program

NHPA 

National Historic Preservation Act

NHS 

National Highway System

NIABY 

Not in Anyone's Back Yard

NIMBY 

Not in My Back Yard

NIMTOO 

Not in My Term of Office 

NRCS 

National Resources Conservation Service

NRUS 

Neighbors Are Us

NRI 

Natural Resources Inventory

NTHP 

National Trust for Historic Preservation

O

ORV 

Off-Road Vehicle

P

PC

Planning Commission 

PCD 

Planned Commercial Development

PCS 

Personal Communication Services

PHT 

Peak Hour Traffic (or Peak Hour Trips) 

PID 

Planned Industrial Development

PMSA 

Primary Metropolitan Statistical Area

PRD 

Planning Residential Development

PDR 

Purchase of Development Rights

PPB 

Parts Per Billion

PWS 

Public Water Supply

PPM 

Parts per Million

PUD 

Planned Unit Development

P&Z 

Planning and Zoning

Q

QOL 

Quality of Life

R

R-1,2

Residential Zone/use of specified intensity

RDA 

Redevelopment Authority

RFP 

Requests for Proposals

RFQ

Requests for Qualifications

RFRA 

Religious Freedom Restoration Act

RPA 

Regional Planning Agency

RPC 

Regional Plan Commission

RTPA 

Regional Transportation Planning Agency

RV 

Recreational Vehicle

ROW 

Right of Way

S

SFD 

Single Family Dwelling

SAD 

Special Assessment District

SEPA 

State Environmental Protection (or Policy) Act

SCPEA 

Standard City Planning Enabling Act

SEPC 

State Emergency Planning Committee

SEQA 

State Environmental Quality Act

SF 

Single Family

SIC 

Standard Industrial Classification (Code)

SIG 

Street Index Guide

SLAPP 

Strategic Lawsuits Against Public Participation

SLO

Sensitive Lands Ordinance

SMSA 

Standard Metropolitan Statistical Area

SOB 

Sexually Oriented Business

SOV 

Single Occupancy Vehicle

SPA 

Specifically Planned Area

SRO 

Single Room Occupancy

STP 

Surface Transportation Program

STPP 

Surface Transportation Policy Project

SZEA 

Standard (State) Zoning Enabling Act

T 

TAZ 

Traffic Analysis Zone

TIF 

Tax Increment Financing

TIP 

Transportation Improvement Program

TIN 

Triangulated Irregular Network

TDM 

Transportation Demand Management

TDR 

Transfer of Development Rights

TMA 

Transportation Management Association (also Transportation Management Area)

TOD 

Transit Oriented Design

TRO 

Trip Reduction Ordinance

TSM 

Transportation System Management

TZO 

Temporary Zoning Ordinance

U

ULI

Urban Land Institute

UMTA

Urban Mass Transit Administration

URPL

Urban and Regional Planning

USDA 

US Department of Agriculture

USDI 

US Department of the Interior

USFS

US Forest Service

USFWS

US Fish and Wildlife Service

USGS

US Geological Survey

USPLS

US Public Land Survey

UTM

Universal Transverse Mercator Grid 

V 

VMT 

Vehicle Miles Traveled

W

WMD

Watershed Management Program

WHPA

Wellhead Protection Area

WP 

Western Planner organization and publication

WPR 

Western Planning Resources

WQMP

Water Quality Management Plan

Z

ZBA

Zoning Board of Adjustment (or Appeals)

ZLL

Zero Lot Line

ZO

Zoning Ordinance

American Planning Association