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Compiled and edited by Jim Schmid

Many of the acronyms provided here were compiled for and published in Trails Primer: A Glossary of Trails, Greenway, and Outdoor Recreation Terms and Acronyms, 2001, Jim Schmid, editor, South Carollina Department of Parks, Recreation and Tourism, Columbia, SC.

The following list of commonly used acronyms and abbreviations can assist trails and greenway managers and advocates decipher the "alphabet soup" of trail development.

Listed in alphabetical order of the abbreviations, or use your browser's "Find" command for specific words.

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

AARP American Association of Retired Persons

AASHTO American Association of State Highway and Transportation Officials

ACEC Area of Critical Environmental Concern

ACSA American Council of Snowmobile Associations

ADA Americans with Disabilities Act

ADAAG Americans with Disabilities Act Accessibility Guidelines

Admin Administrative

ADP Access Designation Process

AEM Adaptive Ecosystem Management

AERC American Endurance Riders Conference

AHC American Horse Council

AHRI American Heritage Rivers Initiative

AHS American Hiking Society

ALDHA Appalachian Long Distance Hiking Association

AMA American Motorcyclist Association

AMC Appalachian Mountain Club

AMS Acute Mountain Sickness

ANSI American National Standards Institute

ANST Appalachian National Scenic Trail

APE Area of Potential Effect

APT All Purpose Trail

AQ Actual Quantities

AR Administrative Record

ARC American Recreation Coalition

ARC American Red Cross

ARRA Americans for Responsible Recreation Access

ASAP As Soon as Possible

AT American Trails

AT Appalachian Trail

ATC Appalachian Trail Conference

ATM Access and Travel Management

ATV All Terrain Vehicle

AWP Annual Work Plan

AYCE All You Can Eat

AZT Arizona Trail

BA Biological Assessment

BAC Bicycle Advisory Committee

BANANA Build Absolutely Nothing Anywhere Near Anything

BBM Benefits-Based Management

BCHA Backcountry Horsemen of America

BE Biological Evaluation

BFA Bicycle Friendly Area

BFR Big Freakin' Rock

BIA Bureau of Indian Affairs

BLM Bureau of Land Management

BM Bench Mark

BMP Best Management Practice

BMR Bike Mounted Ranger

BMX Bicycle Motocross

BO Biological Opinion

BOR Bureau of Reclamation

BOR Bureau of Outdoor Recreation (defunct)

BRC BlueRibbon Coalition

BTU British Thermal Unit

BUS Backcountry Use System

BY Budget Year

CARA Conservation and Reinvestment Act

CC Cubic Centimeter

CCA Chromated Copper Arsenate (wood preservative)

CCC Civilian Conservation Corps (National)

CCS Challenge Cost Share agreement (federal)

CDCA California Desert Conservation Area

CDNST Continental Divide National Scenic Trail

CDT Continental Divide Trail

CDTA Continental Divide Trail Alliance

CE Categorical Exclusion

CEQ Council on Environmental Quality (defunct)

CFR Code of Federal Regulations

CFS Cubic Feet per Second

CIP Capital Improvement Program

CITU Certificate of Interim Trail Use

CMA Cooperative Management Agreement

CMAQ Congestion Mitigation and Air Quality Improvement Program

CMP Coordinated Management Plan (BLM)

CMP Comprehensive Management Plan

CMP Corrugated Metal Pipe

CNHT California National Historic Trail

CO Contracting Officer

COB Close of Business

COG Council of Governments

COR Contracting Officer's Representative

CPSC Consumer Product Safety Commission

CPR Cardio Pulmonary Resuscitation

CRM Cultural Resource Management

CRT Coalition for Recreational Trails

CWA Clean Water Act

CX Categorical Exclusion (NEPA process)

CY Cubic Yard(s)

CYR Calendar Year

DB Decibels (sound level measurement)

DBE Disadvantaged Business Enterprises

DEET N, N-diethyl-meta-toluamide (insect repellant)

DEIS Draft Environmental Impact Statement (NEPA process)

DFC Desired Future Condition(s)

DLG Data Line Graph

DNA Determination of NEPA Adequacy

DNR Department of Natural Resources (state)

DO District Office

DOD Department of Defense (US)

DOE Department of Energy (US)

DOI Department of Interior

DOT Department of Transportation (federal or state)

DQ Design Quantities

DR Decision Record

DEIS Draft Environmental Impact Statement (NEPA process)

EA Environmental Assessment (NEPA process)

EEOC Equal Employment Opportunity Commission

EIS Environmental Impact Statement (NEPA process)

EMS Emergency Medical Services

EMT Emergency Medical Technician

EO Executive Order

EOY End of Year

EPA Environmental Protection Agency (US)

ERMA Extensive Recreation Management Area

ESA Environmentally Sensitive Area(s)

ESA Endangered Species Act of 1973

ESL Endangered Species List

ETA Estimated Time of Arrival

ETD Estimated Time of Departure

FACA Federal Advisory Council Act

FAMS Facility Asset Management System (BLM)

FAX Facsimile message

FCC Federal Communications Commission

FEIS Final Environmental Impact Statement (NEPA process)

FEMA Federal Emergency Management Agency

FHWA Federal Highway Administration

FICT Federal Interagency Council on Trails

FIP Federal Interim Plan

FLHP Federal Lands Highway Program

FLPMA Federal Land Policy and Management Act of 1976

FLREA Federal Lands Recreation Enhancement Act of 2005FNST Florida National Scenic Trail

FNST Florida National Scenic Trail

FO Field Office (BLM)

FOE Friends of the Earth

FOIA Freedom of Information Act

FONSI Finding of No Significant Impact (NEPA process)

FPA Forest Protection Area

FS Forest Service (US Department of Agriculture)

FSH Forest Service Handbook

FSM Forest Service Manual

FTA Florida Trail Association

FTE Full-Time Equivalent (job)

4WD Four-Wheel Drive Vehicle

FWS Fish and Wildlife Service (US)

F&G Fish and Game

4x4 Four-Wheel Drive Vehicle

FY Fiscal Year (Federal FY is from Oct. 1 to Sept. 30; states often July1-June 30)

FYI For Your Information

GAG Green Advocacy Group

GAO General Accounting Office (U.S. Government)

GEM General Management Plan

GIS Geographical Information System

GMC Green Mountain Club

GOBW Great Old Broads for Wilderness

GORP Good old raisins and peanuts (trail mix)

GOV Government Owned Vehicle

GPO Government Printing Office

GPS Global Positioning System

GSA General Services Administration (U.S. Government)

G&F Game and Fish

HAZMAT Hazardous Material

HR Heritage Resource

HRM Heart Rate Monitor

HRS Historic Resource Study

IANST Ice Age National Scenic Trail

ICE In Case of Emergency

ICC Interstate Commerce Commission (replaced by the STB)

ICOs Issues, Concerns, and Opportunities

ID, IDT Interdisciplinary (ID) Team

IGA Intergovernmental Agreement

IK Inflatable Kayak

IMBA International Mountain Bicycling Association

INFRA Infrastructure Database (USFS)

INHT Iditarod National Historic Trail

IP Interested Public(s)

ISIA International Snowmobile Industry Association

ISMA International Snowmobile Manufacturers Association

ISTEA Intermodal Surface Transportation Efficiency Act of 1991 (now SAFETEA)

JBANHT Juan Bautista de Anza National Historic Trail

KISS Keep it Simple Stupid

KM Kilometer

KOP Key Observation Point

KSA Knowledge, Skills, and Abilities

LAC Limits of Acceptable Change

Lat/Long Latitude/Longitude

LCNHT Lewis and Clark National Historic Trail

LE Law Enforcement

LEM Local Experienced Men

LEO Law Enforcement Officer

LF Lineal Foot

LNT Leave No Trace

LS Lump Sum

LSQ Lump Sum Quantities

LULU Locally Unpopular Land Use

LUP Land Use Plan

LWCF Land and Water Conservation Fund

MAD Make a Difference

MFP Management Framework Plan (BLM) (now RMP)

MIC Motorcycle Industry Council

MM Meaningful Measures (Forest Service)

MOA Memorandum of Agreement

MOU Memorandum of Understanding

MPO Metropolitan Planning Organization

MPG Miles per gallon

MPH Miles per hour

MPNHT Mormon Pioneer National Historic Trail

MSA Metropolitan Statistical Area

MSL Mead Sea Level

MSRS Milled Shoulder Rumble Strip(s)

MTR Motorized

MUDs Mindless Ups and Downs

MUTCD Manual of Uniform Traffic Control Devices

NA, N/A Not Applicable

NARRP National Association of Recreation Resource Planners

NASCC National Association of State Conservation Corps

NASORLO National Association of Outdoor Recreation Liaison Officers

NASPD National Association of State Park Directors

NASTA National Association of State Trail Administrators

NAWTA North American Water Trails Association

NBCB National Backcountry Byway

NCA National Conservation Area

NCNST North Country National Scenic Trail

NEPA National Environmental Policy Act (1969)

NF National Forest

NFMA National Forest Management Act (1976)

NFS National Forest System

NGO Non-Governmental Organization

NHI National Highway Institute

NHL National Historic Landmark

NHPA National Historic Preservation Act

NHT National Historic Trail

NHTSA National Highway Traffic Safety Administration

NIMBY Not in My Back Yard

NITU Notice of Interim Trail Use (Rail-Trail)

NLCS National Landscape Conservation System

NM National Monument

NMTR Non-motorized

NNL National Natural Landmark

NOA Notice of Appeal

NOA Notice of Availability

NOHVCC National Off-Highway Vehicle Conservation Council

NOI Notice of Intent (NEPA)

NONA National Outstanding Natural Area

NORBA National Off-Road Bicycling Association

NP National Park

NPNHT Nez Perce National Historic Trail

NPNHTF Nez Perce National Historic Trail Foundation

NPS National Park Service

NRA National Recreation Area

NRCS Natural Resources Conservation Service (formerly the Soil Conservation Service) under the USDA

NRHP National Register of Historic Places

NRT National Recreation Trail

NRTAC National Recreational Trails Advisory Committee (defunct)

NRUM National Recreation Use Monitoring

NSA National Scenic Area

NSB National Scenic Byway

NSRE National Survey on Recreation and the Environment

NST National Scenic Trail

NTC National Training Center (BLM)

NTD National Trails Day (first Saturday in June)

NTE Not to Exceed

NTEC National Transportation Enhancements Clearinghouse

NTNST Natchez Trace National Scenic Trail

NTSA National Trails System Act, 16 USD 1241 et seq. (1968)

NTTP National Trails Training Partnership

NVP National Volunteer Project

NWF National Wildlife Federation

NWR National Wildlife Refuge

OCTA Oregon-California Trails Association

OHM Off-Highway Motorcycle

OHR Off-Highway Recreation

OHV Off-Highway Vehicle

OJT On the Job Training

OLR Optimum Location Review

OMB Office of Management & Budget (federal)

ONA Outstanding Natural Area

ONHT Oregon National Historic Trail

OPSP Open Project Selection Process

O&M Operating and Maintenance Costs

ORAR Outdoor Recreation Access Route

Org Organization

ORM Off-Road Motorcycle

ORP Outdoor Recreation Planner

ORRRC Outdoor Recreation Resources Review Commission (1962)

ORV Off-Road Vehicle

OSHA Occupational Safety and Health Administration

OSV Over Snow Vehicle (Snowmobile)

OVNHT Overmountain Victory National Historic Trail

PAL Police Activity (formally Athletic) League

PAOT Persons at One Time (Forest Service)

PARVS Public Area Recreation Visitor Study

PATC Potomac Appalachian Trail Club

PB&J Peanut Butter and Jelly (sandwich)

PCAO President's Commission on Americans Outdoors

PCNST Pacific Crest National Scenic Trail

PCT Pacific Crest Trail

PCTA Pacific Crest Trail Association

PD Position Description

PEAK Promoting Environmental Awareness in Kids

PEIS Programmatic Environmental Impact Statement

PENHT Pony Express National Historic Trail

PETS Proposed, Endangered, Threatened, or Sensitive species

PFD Personal Flotation Device (lifejacket)

PHNST Potomac Heritage National Scenic Trail

P.L. Public Law

PLF Public Lands Foundation

PLH Public Lands Highways

PMO Primary Management Objective (Forest Service)

PO Purchase Order

POC Point of Contact

POST Parks, Open Space and Trails

POV Privately Owned Vehicle

PPE Personal Protection Equipment

PSF Pounds Per Square Foot

PSI Pounds Per Square Inch

PT Palmetto Trail (South Carolina)

PTBA Professional Trailbuilders Association

PUC Public Utilities Commission

PUC Public Use Condition

PUD Planned Unit Development

PUDs Pointless Ups and Downs (where a climb leads to no view)

PVC Polyvinyl Chloride (plastic)

PWC Personal Watercraft

QA/QC Quality Assurance/Quality Control

RAC Resource Advisory Council (BLM)

RAMP Recreation Activity/Area Management Plan

RAP Roads Analysis Process

RARE Roadless Area Review and Evaluation (also RARE II)

RD Ranger District (Forest Service)

Rec Recreation

REI Recreational Equipment, Inc.

RFB Request for Bid

RFP Request for Proposals

RFQ Request for Quotes (Quotation, Qualifications)

RICE Rest, Ice, Compression, and Elevation

RIF Reduction in Force (layoffs)

RIM Recreation Information Management (Forest Service)

RMA Resource Management Area

RMP Resource Management Plan

RNA Research Natural Area

RO Regional Office (Forest Service)

ROD Record of Decision (NEPA process)

ROS Recreation Opportunity Spectrum

ROW Right(s)-of-way (also R/W)

RPM Revolutions Per Minute

RR Railroad

RRIS Recreation Resource Information System (Forest Service)

RSVP Retired Senior Volunteer Program

RT Rail-Trail

RTAB Recreational Trails Advisory Board

RTC Rails-to-Trails Conservancy

RTCA Rivers, Trails and Conservation Assistance Program of the National Park Service

RTES Rare, Threatened and Endangered Species

RTP Recreational Trails Program (Federal grant program of FHWA)

RUP Recreation Use Permit

RUS Recreational Use Statute

RV Recreational Vehicle (travel trailer, motorhome, 5th-wheel, etc.)

RVD Recreation Visitor Day (Forest Service)

RWT Rail-with-Trail

R&D Research & Development

R&PP Recreation and Public Purposes (Act)

SAFETEA Safe, Accountable, Flexible, and Efficient Transportation Equity Act of 2003 (successor to ISTEA and TEA-21)

SAR Search and Rescue

SCA Student Conservation Association

SCHC South Carolina Horsemen's Council

SCORE Service Corps of Retired Executives

SCORE South Carolina Off-Road Enthusiasts

SCORP Statewide Comprehensive Outdoor Recreation Plan

SDM System Diagram Map

SF Square Foot SY Square Yard

SFNHT Santa Fe National Historic Trail

SHPO State Historic Preservation Office(r)

SIP State Interim Plan

SLO State Liaison Officer (for LWCF)

SLUP Special Land Use Permit

SMA Special Management Area

SMS Scenery Management System

SMSA Standard Metropolitan Statistical Area

SNAG Sensitive New Age Guy

SO Supervisors Office (Forest Service)

SORBA Southern Off-Road Bicycle Association

SOP Sense of Place

SOP Standard Operating Procedure

SOS Help (Morse Code distress signal: --- ... ---)

SOW Statement of Work

SRMA Special Recreation Management Area

SRUP Special Recreation Use Permit

SSP Special Status Plant

SSS Special Status Species

STAC State Trails Advisory Committee

STB Surface Transportation Board (authority over RR abandonments)

STIP Statewide Transportation Improvement Program

STP Surface Transportation Program

SUR Shared Use Road

STOP Sit, Think, Observe, Plan

SUV Sport Utility Vehicle

SVIA Specialty Vehicle Institute of America

STP Surface Transportation Program

TA Travel Authorization

TBA To Be Announced

TCC Trail Care Crew (Subaru/IMBA program)

TE(s) Transportation Enhancement(s)

TEAs Transportation Enhancement Activities

TEA-21 Transportation Equity Act for the 21st Century

TIP Transportation Improvement Program

TL! Tread Lightly!

TMO Trail Management Objective (Forest Service)

TMP Trail Management Process

TNT Trinitrotoluene (high explosive)

TOAD Tourist on a Detour

TPL Trust for Public Land

TRACS Trail Assessment and Condition Surveys (FS)

TTF Technical Trail Feature

TTD Things To Do

TTNHT Trail of Tears National Historic Trail

TTT Train the Trainer

TV Travel Voucher

TVA Tennessee Valley Authority

T&A Time & Attendance

T&E Threatened & Endangered

T&R Township and Range

UFAS Uniform Federal Accessibility Standards

URL Universal Resource Locator (website address)

USACE United States Army Corp of Engineers

USC United States Code (Federal statute)

USCOE United States Corps of Army Engineers

USDA United States Department of Agriculture

USDI United States Department of the Interior

USDOT United States Department of Transportation

USFWS United States Fish and Wildlife Service

USFS United State Forest Service

USGS United States Geological Survey

UTAP Universal Trail Assessment Process

UTM Universal Transverse Mercator

VBL Vapor Barrier Liner

VIF Volunteers in the Forest (Forest Service)

VIP Volunteers in the Parks (National Park Service)

VMS Visual Management System

VQO Visual Quality Objective

VRM Visual Resource Management

VUD Visitor Use Day

WA Wilderness Area

WG Wage Grace

WIIFM What's In It For Me

WM Work Month

WMA Wildlife Management Area

WO Washington Office (Forest Service)

WOMBATS Women's Mountain Bike and Tea Society

WSA Wilderness Study Area

WSR Wild and Scenic River

XC Cross-Country

YACC Young Adult Conservation Corps

YTD Year-to-Date

YCC Youth Conservation Corps

updated September 4, 2005