This information is presented here with permission of and special thanks to the South Carolina Department of Parks, Recreation and Tourism, which contributed to the Trails and Greenways Clearinghouse the use of the original list from "Trails Primer: A Glossary of Trail, Greenway, and Outdoor Recreation Terms and Acronyms," 2001, Jim Schmid, editor, South Carolina Department of Parks, Recreation and Tourism, Columbia, SC.

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

AMS: Acute Mountain Sickness
AQ: Actual Quantities
APT: All Purpose Trail
ATV: All Terrain Vehicle
AYCE: All You Can Eat
AARP: American Association of Retired Persons
ASSHTO: American Association of State Highway and Transportation Officials
AERC: American Endurance Riders Conference
AHRI: American Heritage Rivers Initiative
AHS: American Hiking Society
AHC: American Horse Council
AMA: American Motorcyclist Association
ANSI: American National Standards Institute
ARC: American Recreation Coalition
ARC: American Red Cross
AT: American Trails
ARRA: Americans for Responsible Recreation Access
ADA: Americans with Disabilities Act
ADAAG: Americans with Disabilities Act Accessibility Guidelines
ALDHA: Appalachian Long Distance Hiking Association
AMC: Appalachian Mountain Club
ANST: Appalachian National Scenic Trail
AT: Appalachian Trail
ATC: Appalachian Trail Conference
ACEC: Area of Critical Environmental Concern
AZT: Arizona Trail
BCHA: Backcountry Horsemen of America
BUS: Back Country Use System
BM: Bench Mark
BMP: Best Management Practices
BMR: Bike Mounted Ranger
BRC: Blue Ribbon Coalition
BTU: British Thermal Unit
BIA: Bureau of Indian Affairs
BLM: Bureau of Land Management
BOR: Bureau of Outdoor Recreation (defunct)
CDCA: California Desert Conservation Area
CNHT: California National Historic Trail
CIP: Capital Improvement Program
CPR: Cardio Pulmonary Resuscitation
CE: Categorical Exclusion (NEPA process)
CITU: Certificate of Interim Trail Use
CCS: Challenge Cost Share agreement (federal)
CCA: Chromated Copper Arsenate (wood preservative)
CCC: Civilian Conservation Corps (National)
CRT: Coalition for Recreational Trails
CFR: Code of Federal Regulations
CMP: Comprehensive Management Plan
CMAQ: Congestion Mitigation and Air Quality improvement program
CARA: Conservation and Reinvestment Act
CDNST: Continental Divide National Scenic Trail
CDT: Continental Divide Trail
CDTA: Continental Divide Trail Alliance
CO: Contracting Officer
CMP: Coordinated Management Plan (BLM)
COG: Council of Governments
CEQ: Council on Environmental Quality (defunct)
XC: Cross-Country
CFS: Cubic Feet per Second
CY: Cubic Yard(s)
DB: Decibels
DOI: Department of Interior
DNR: Department of Natural Resources (state)
DOT: Department of Transportation (federal or state)
DQ: Design Quantities
DBE: Disadvantaged Business Enterprises
DEET: N, N-diethyl-meta-toluamide (insect repellant)
EMS: Emergency Medical Services
EMT: Emergency Medical Technician
EA: Environmental Assessment (NEPA process)
EIS: Environmental Impact Statement (NEPA process)
EPA: Environmental Protection Agency (US)
ESA: Environmentally Sensitive Area(s)
EEOC: Equal Employment Opportunity Commission
ETA: Estimated Time of Arrival
EO: Executive Order
FACA: Federal Advisory Council Act
FCC: Federal Communications Commission
FEMA: Federal Emergency Management Agency
FHWA: Federal Highway Administration
FIP: Federal Interim Plan
FLPMA: Federal Land Policy and Management Act of 1976
FLHP: Federal Lands Highway Program
FO: Field Office (BLM)
FONSI: Finding of No Significant Impact
FY: Fiscal Year (Federal FY is from Oct. 1 to Sept. 30)
FNST: Florida National Scenic Trail
FTA: Florida Trail Association
FPA: Forest Protection Area
FS: Forest Service (US Department of Agriculture)
4-WD Four-Wheel Drive vehicle
FOIA: Freedom of Information Act
FOE: Friends of the Earth
GAO: General Accounting Office (United States)
GIS: Geographical Information System
GORP: Good Old Raisins and Peanuts
GPS: Global Positioning System
GOBW: Great Old Broads for Wilderness
GAG: Green Advocacy Group
GMC: Green Mountain Club
SOS: Help (Morse Code distress signal)
HRS: Historic Resource Study
IANST: Ice Age National Scenic Trail
INHT: Iditarod National Historic Trail
IGA: Intergovernmental Agreement
ISTEA: Intermodal Surface Transportation Efficiency Act of 1991
IMBA: International Mountain Bicycling Association
ICC: Interstate Commerce Commission (replaced by the STB)
ICOs: Issues, Concerns, and Opportunities
JBANHT: Juan Bautista de Anza National Historic Trail
KISS: Keep it Simple Stupid
LWCF: Land and Water Conservation Fund
LNT: Leave No Trace
LCNHT: Lewis and Clark National Historic Trail
LAC: Limits of Acceptable Change
LS: Lump Sum
LSQ: Lump Sum Quantities
MUTCD: Manual of Uniform Traffic Control Devices
MM: Meaningful Measures (Forest Service)
MOA: Memorandum of Agreement
MOU: Memorandum of Understanding
MPO: Metropolitan Planning Organization
MSA: Metropolitan Statistical Area
MPH: Miles per hour
MPNHT: Mormon Pioneer National Historic Trail
MIC: Motorcycle Industry Council
DEET: N, N-diethyl-meta-toluamide (insect repellant)
NTNST: Natchez Trace National Scenic Trail
NASORLO: National Association of Outdoor Recreation Liaison Officers
NARRP: National Association of Recreation Resource Planners
NASCC: National Association of State Conservation Corps
NASTA: National Association of State Trail Administrators
NEPA: National Environmental Policy Act (1969)
NF: National Forest
NFS: National Forest System
NHI: National Highway Institute
NHPA: National Historic Preservation Act
NHT: National Historic Trail
NOHVCC: National Off-Highway Vehicle Conservation Council
NORBA: National Off-Road Bicycling Association
NP: National Park
NPS: National Park Service
NRA: National Recreation Area
NRT: National Recreation Trail
NRTAC: National Recreational Trails Advisory Committee
NRHP: National Register of Historic Places
NSRE: National Survey on Recreation and the Environment
NTD: National Trails Day
NTSA: National Trails System Act, 16 USD 1241 et seq. (1968)
NTTP: National Trails Training Partnership
NTEC: National Transportation Enhancements Clearinghouse
NVP: National Volunteer Project
NWR: National Wildlife Refuge
NRCS: Natural Resources Conservation Service (formerly the Soil Conservation Service) under the USDA
NPNHT: Nez Perce National Historic Trail
NPNHTF: Nez Perce National Historic Trail Foundation
NGO: Non-Governmental Organization
NAWTA: North American Water Trails Association
NCNST: North Country National Scenic Trail
NIMBY: Not in My Back Yard
NITU: Notice of Interim Trail Use
OSHA: Occupational Safety and Health Administration
OHM: Off-Highway Motorcycle
OHR: Off-Highway Recreation
OHV: Off-Highway Vehicle
ORM: Off-Road Motorcycle
ORV: Off-Road Vehicle
OMB: Office of Management & Budget (federal)
OPSP: Open Project Selection Process
O&M Operating and Maintenance Costs
OLR: Optimum Location Review
ONHT: Oregon National Historic Trail
ORAR: Outdoor Recreation Access Route
ORRRC: Outdoor Recreation Resources Review Commission (1962)
OVNHT: Overmountain Victory National Historic Trail
PCNST: Pacific Crest National Scenic Trail
PCT: Pacific Crest Trail
PCTA: Pacific Crest Trail Association
PT: Palmetto Trail (South Carolina)
POST: Parks, Open Space and Trails
PB&J: Peanut Butter and Jelly (sandwich)
PFD: Personal Flotation Device (life jacket)
PPE: Personal Protection Equipment
PWC: Personal Watercraft
PAOT: Persons at One Time (Forest Service)
PUD: Planned Unit Development
PUDs: Pointless Ups and Downs (where a climb leads to no view)
PVC: Polyvinyl Chloride (plastic)
PENHT: Pony Express National Historic Trail
PATC: Potomac Appalachian Trail Club
PHNST: Potomac Heritage National Scenic Trail
PSF: Pounds Per Square Foot
PSI: Pounds Per Square Inch
PCAO: President's Commission on Americans Outdoors
PMO: Primary Management Objective (Forest Service)
PEIS: Programmatic Environmental Impact Statement
PARVS: Public Area Recreation Visitor Study
PLH: Public Lands Highways
PUC: Public Use Condition
PUC: Public Utilities Commission
RT: Rail-Trail
RWT: Rail-with-Trail
RR: Railroad
RTC: Rails-to-Trails Conservancy
RD: Ranger District (Forest Service)
ROD: Record of Decision (NEPA process)
RIM: Recreation Information Management (Forest Service)
ROS: Recreation Opportunity Spectrum
RRIS: Recreation Resource Information System (Forest Service)
RVD: Recreation Visitor Day (Forest Service)
REI: Recreational Equipment, Inc. (outdoor store)
RTAB: Recreational Trails Advisory Board
RTP: Recreational Trails Program (Federal grant program)
RUS: Recreational Use Statute
RO: Regional Office (Forest Service)
RFP: Request for Proposals
RFQ: Request for Qualifications
R&D Research & Development
RMA: Resource Management Area
RMP: Resource Management Plan
RICE: Rest, Ice, Compression, and Elevation (injury treatment)
RSVP: Retired Senior Volunteer Program
RPM: Revolutions Per Minute
ROW: Right(s)-of-way
RTCA: Rivers, Trails and Conservation Assistance Program of the National Park Service
SFNHT: Santa Fe National Historic Trail
SNAG: Sensitive New Age Guy
SCORE: Service Corps of Retired Executives
SCHC: South Carolina Horsemen's Council
SCORE: South Carolina Off-Road Enthusiasts
SORBA: Southern Off-Road Bicycle Association
SLUP: Special Land Use Permit
SVIA: Specialty Vehicle Institute of America
SUV: Sport Utility Vehicle
SMSA: Standard Metropolitan Statistical Area
SHPO: State Historic Preservation Office
SIP: State Interim Plan
SLO: State Liaison Officer (for LWCF)
STAC: State Trails Advisory Committee
SCORP: Statewide Comprehensive Outdoor Recreation Plan
STIP: Statewide Transportation Improvement Program
SCA: Student Conservation Association
SO: Supervisor's Office (Forest Service)
STB: Surface Transportation Board
STPP: Surface Transportation Policy Project
STP: Surface Transportation Program
SDM: System Diagram Map
TVA: Tennessee Valley Authority
TTD: Things To Do
TCC: Trail Care Crew (Subaru/IMBA program)
TMO: Trail Management Objective (Forest Service)
TTNHT: Trail of Tears National Historic Trail
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!
TPL: Trust for Public Land
UFAS: Uniform Federal Accessibility Standards
USACE: United States Army Corp of Engineers
USC: United States Code (Federal statute)
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 States Forest Service
USGS: United States Geological Survey
URL: Universal Resource Locator (for internet addresses)
UTAP: Universal Trail Assessment Process
VIF: Volunteers in the Forest (Forest Service)
VIP: Volunteers in the Parks (National Park Service)
WO: Washington Office (Forest Service)
WTBA: Western Trailbuilders Association
WIIFM: What's In It For Me
WSA: Wilderness Study Area
WOMBATS: Women's Mountain Bike and Tea Society

Last updated January 2002.