| Acronym |
Definition |
| 3R | Resurfacing, Restoration, and Rehabilitation |
| A&E | Architectural & Engineering |
| A/E | Architectural & Engineering |
| AASHTO | American Association of State Highway & Transportation Officials |
| ACHP | Advisory Council on Historic Preservation |
| ADA | Americans with Disabilities Act |
| ADA | Assistant Division Administrator |
| ADEC | Alaska Department of Environmental Conservation |
| ADF&G | Alaska Department of Fish and Game |
| ADNR | Alaska Department of Natural Resources |
| ADOT | Arizona Department of Transportation |
| ADOTPF | Alaska Department of Transportation & Public Facilities |
| ADP | Automated Data Processing |
| ADT | Average Daily Traffic |
| AGC | Associated General Contractors |
| AHTD | Arkansas State Highway & Transportation Department |
| ALDOT | Alabama Department of Transportation |
| ANSI | American National Standards Institute |
| AO | Area Office |
| APWA | American Public Works Association |
| ASCE | American Society of Civil Engineers |
| ASDPW | American Samoa Department of Public Works |
| ASTM | American Society for Testing and Materials |
| AWP | Annual Work Plan |
| BA | Biological Assessment |
| BIA | Bureau of Indian Affairs |
| BIHO | Big Hole National Battlefield |
| BLM | Bureau of Land Management |
| BO | Biological Opinion |
| BST | Bituminous Surface Treatment |
| CA | Certification Acceptance |
| CAC | Citizens Advisory Committee |
| CADD | Computer Aided Design & Drafting |
| Caltrans | California Department of Transportation |
| CBS | City and Borough of Sitka |
| CDOT | Colorado Department of Transportation |
| CE | Categorical Exclusion |
| CE | Construction Engineering |
| CFL | Central Federal Lands |
| CFLHD | Central Federal Lands Highway Division |
| CFR | Code of Federal Regulations |
| CI | Construction Inspector |
| CJE | Critical Job Element |
| CM | Contract Modification |
| COB | Close of Business |
| COCO | Chief of Contracting Office |
| CODA | Coulee Dam National Recreation Area |
| COE | Corps of Engineers |
| COE | Construction Operations Engineer |
| ConnDOT | Connecticut Department of Transportation |
| COTR | Contracting Officer's Representative |
| CRLA | Crater Lake National Park |
| CRMO | Craters of the Moon National Monument |
| CTIP | Coordinated Federal Lands Highway Technology Implementation Program |
| CY | Calendar Year |
| CZ | Coastal Zone |
| DA | Division Administrators |
| DAFIS | Departmental Accounting & Financial Information System |
| DAR | Defense Access Road |
| DBA | Database Administrator |
| DBA | Disadvantaged Business Administration |
| DBE | Disadvantaged Business Enterprise |
| DC DPW | District of Columbia Department of Public Works |
| DEA | David Evans & Associates |
| DEFL | Deer Flat National Wildlife Refuge |
| DEIS | Draft Environmental Impact Statement |
| DELDOT | Delaware Department of Transportation |
| DENA | Denali National Park |
| DEQ | Department of Environmental Quality |
| DFS | Director of Field Services |
| DGN | Design (The file extension of Bentley's Microstation program) |
| DOA | Department of the Army |
| DOC | Department of Commerce |
| DOD | Department of Defense |
| DOE | Department of Energy |
| DOE | Department of Ecology |
| DOE | Design Operations Engineer |
| DOI | Department of the Interior |
| DOJ | Department of Justice |
| DOL | Department of Labor |
| DOT | Department of Transportation |
| DSC | Denver Service Center |
| DSR | Damage Site Report |
| DWG | Drawing (A file extension for Autodesk's AutoCAD program) |
| DXF | Drawing Exchange Format (A file extension for Autodesk's AutoCAD program) |
| EA | Environmental Assessment |
| ECP | Erosion Control Plan |
| EFL | Eastern Federal Lands |
| EFLHD | Eastern Federal Lands Highway Division |
| EIS | Environmental Impact Statement |
| EIT | Engineer in Training |
| EJ | Environmental Justice |
| EO | Executive Order |
| EPA | Environmental Protection Agency |
| EPS | Environmental Policy Statement |
| ER | Emergency Relief |
| ERFO | Emergency Relief for Federally Owned Road |
| ESA | Endangered species act |
| FA | Federal Aid |
| FAI | Federal Aid Interstate |
| FAIR | Flexible, Achievable, Inclusive, Respectful |
| FAP | Federal-Aid Primary |
| FAPG | Federal Aid Policy Guide |
| FAQ | Frequently Asked Questions |
| FAR | Federal Acquisition Regulation |
| FDOT | Florida Department of Transportation |
| FDR | Forest Development Road |
| FEBBS | FHWA Electronic Bulletin Board System |
| FedBizOpps | Federal Business Opportunities |
| FEIS | Final Environmental Impact Statement |
| FH | Forest Highway |
| FHPM | Federal-aid Highway Program Manual |
| FHRRS | Federal Highways Research Report Inventory System |
| FHWA | Federal Highway Administration |
| FLD | Federal Lands Division |
| FLH | Federal Lands Highway |
| FLHO | Federal Lands Highway Office |
| FLHP | Federal Lands Highway Program |
| FLHPA | Federal Lands Highway Program Administrator |
| FLHPM | Federal Lands Highway Program Manual |
| FLM | Federal Lands Management |
| FLT | Federal Land Transfer |
| FMIS | Financial Management Information System |
| FOCL | Fort Clatsop National Memorial |
| FOIA | Freedom of Information Act |
| FONSI | Finding of No Significant Impact |
| FP&S | Final Plans & Specifications |
| FP-96 | Federal Projects, 1996 (Standard construction specifications adopted in 1996) |
| FRC | Federal Records Center (in Seattle, WA) |
| FS | Forest Service |
| FTE | Full Time Employee |
| FTE | Full Time Equivalent |
| FTP | Full Time Permanent |
| FWS | Fish and Wildlife Service |
| FY | Fiscal Year |
| FYI | For Your Information |
| GAO | General Accounting Office |
| GDOT | Georgia Department of Transportation |
| GIS | Geographic Information System |
| GLAC | Glacier National Park |
| GLBA | Glacier Bay National Park & Preserve |
| GPRA | Government Performance Results Act |
| GPS | Global Positioning System |
| GRKO | Grant-Kohrs Ranch National Historic Site |
| GRTE | Grand Teton National Park |
| GSA | General Services Administration |
| GuamDPW | Guam Department of Transportation (Public Works) |
| ha | hectare |
| HABS | Historic American Building Survey |
| HAER | Historic American Engineering Record |
| HAFO | Hagerman Fossil Beds National Monument |
| HBCU | Historically Black Colleges & Universities |
| HBRRP | Highway Bridge Replacement & Rehabilitation Program |
| HCRH | Historic Columbia River Highway |
| HDOT | Hawaii Department of Transportation |
| HET | Highway Engineer Trainee |
| HETP | Highway Engineer Trainee Program |
| HPA | Hydraulic Project Approval (Washington State Permit) |
| HTF | Highway Trust Fund |
| ICR | Internal Control Review |
| IDIQ | Indefinite Delivery / Indefinite Quantity |
| IDOT | Illinois Department of Transportation |
| INDOT | Indiana Department of Transportation |
| IowaDOT | Iowa Department of Transportation |
| IRM | Information Resource Management |
| IRR | Indian Reservation Roads |
| IS | Interstate System |
| ISSFE | International Society of Soil and Foundation Engineers |
| ISTEA | Intermodal Surface Transportation Efficiency Act of 1991 |
| ITD | Idaho Transportation Department |
| ITS | Intelligent Transportation System |
| IVHS | Intelligent Vehicle Highway Systems |
| IVHSA | Intelligent Vehicle Highway Systems America |
| JARPA | Joint Aquatic Resource Permit Application (Washington State Application) |
| JC | Just Compensation |
| JODA | John Day Fossil Beds National Monument |
| JUBU | Julia Butler Hansen National Wildlife Refuge for the Columbian White-Tailed Deer |
| KATM | Katmai National Park & Preserve |
| KDOT | Kansas Department of Transportation |
| KLGO | Klondike Gold Rush National Park |
| km | Kilometer |
| km/h | Kilometers per Hour |
| KSAs | Knowledge, Skills, and Abilities |
| KYTC | Kentucky Transportation Cabinet |
| LAAS | Larson Anthropological/Archaeological Services |
| LADS | Learning & Development System |
| LAN | Local Area Network |
| LDOTD | Louisiana Department of Transportation and Development |
| LEG | Licensed Engineering Geologist |
| LHTAC | Local Highway Technical Assistance Council |
| LIBI | Little Bighorn National Park |
| LTAP | Local Technology Assistance Program |
| M2 | Square meter |
| M3 | Cubic meter |
| MarDPW | Marianas Department of Public Works (Commonwealth of Northern Marianas Islands - CNMI) |
| MassHwy | Massachusetts Highway Department |
| MBF | Thousand Board Feet |
| MBQAST | Multi-Branch Quality Action Support Team |
| MDNR&C | Montana Department of Natural Resources and Conservation |
| MDOT | Montana Department of Transportation |
| MDOT | Michigan Department of Transportation |
| MDOT | Maryland Department of Transportation |
| MDOT | Maine Department of Transportation |
| MDT | Montana Department of Transportation |
| mi | Mile |
| MIC | Metlakatla Indian Community |
| mm | Millimeter |
| MMBF | Million Board Feet |
| Mn/DOT | Minnesota Department of Transportation |
| MOA | Memorandum of Agreement |
| MoDOT | Missouri Department of Transportation |
| MORA | Mount Rainier National Park |
| MOU | Memorandum of Understanding |
| MP | Milepost |
| MPDES | Montana Pollution Discharge Elimination System |
| MPO | Metropolitan Planning Organization |
| MSHD | Mississippi Department of Transportation |
| MSHPO | Montana State Historic Preservation Officer |
| MTMC | Military Traffic Management Command |
| MUTCD | Manual on Uniform Traffic Control Devices |
| NBIS | National Bridge Inspection Standards |
| NCDOT | North Carolina Department of Transportation |
| NCHRP | National Cooperative Highway Research Program |
| NDDOT | North Dakota Department of Transportation |
| NDOR | Nebraska Department of Roads |
| NDOT | Nevada Department of Transportation |
| NEPA | National Environmental Policy Act |
| NEPE | Nez Perce National Historical Park |
| NF | National Forest |
| NHDOT | New Hampshire Department of Transportation |
| NHL | National Historic Landmark |
| NHS | National Highway System |
| NJDOT | New Jersey Department of Transportation |
| NMSHTD | New Mexico State Highways & Transportation Department |
| NOAA | National Oceanic and Atmospheric Administration |
| NOCA | North Cascades National Park |
| NOI | Notice of Intent |
| NPDES | National Pollutant Discharge Elimination System |
| NPRM | Notice of Proposed Rulemaking |
| NPS | National Park Service |
| NRHP | National Register of Historic Places |
| NTHP | National Trust for Historic Preservation |
| NTP | Notice to Proceed |
| NWAAI | Northwest Archaeological Associates, Inc |
| NWP | Nationwide Permit |
| NWR | National Wildlife Refuge |
| NYSDOT | New York State Department of Transportation |
| ODOT | Ohio Department of Transportation |
| ODOT | Oklahoma Department of Transportation |
| ODOT | Oregon Department of Transportation |
| OHW | Ordinary High Water |
| OHWM | Ordinary High Water Mark |
| OIG | Office of the Inspector General |
| OJT | On-the-Job Training |
| OLYM | Olympic National Park |
| OMB | Office of Management & Budget |
| OPM | Office of Personnel Management |
| ORCA | Oregon Caves National Monument |
| P&S | Plans and Specifications |
| PD | Project Development |
| PD | Per Diem |
| PDDM | Project Development and Design Manual |
| PDF | Portable Document Format (The file extension of Adobe's Acrobat Reader program) |
| PDP | Professional Development Program |
| PE | Preliminary Engineering |
| PE | Professional Engineer |
| PennDOT | Pennsylvania Department of Transportation |
| PFH | Primary Forest Highway |
| PHRA | Preserving the Historic Road in America |
| PIH | Plan-in-Hand |
| PIR | Project Identification Report |
| PL | Public Law |
| PLH | Public Lands Highway |
| PP&A | Planning and Administration Engineer |
| PRA | Park Roads and Parkways Program |
| PRDTPW | Puerto Rico Department of Transportation & Public Works |
| PRMS | Program Resource Management System |
| PRP | Park Roads and Parkways Program |
| PS&E | Plans, Specifications, & Estimate |
| QA | Quality Assurance |
| QC | Quality Control |
| R/W | Right-of-Way |
| RD | Ranger District |
| RIDOT | Rhode Island Department of Transportation |
| ROD | Record of Decision |
| ROW | Right-of-Way |
| RRP | Refuge Roads Program |
| RVD | Recreational Visitor Day |
| SAFETEA | Safe, Accountable, Flexible, & Efficient Transportation Equity Act of 2003 |
| SAJH | San Juan Island National Historical Park |
| SBA | Small Business Administration |
| SCDOT | South Carolina Department of Transportation |
| SCEP | Student Career Experience Program |
| SCR | Special Contract Requirements |
| SDDOT | South Dakota Department of Transportation |
| SEE | Team Social, Economic & Environmental Team |
| SEEI | Social, Economic & Environmental Impact |
| SHD | State Highway Department |
| SHPO | State Historic Preservation Officer |
| SHPO | State Historic Preservation Office |
| SIC | Standard Industrial Classification |
| SMCD | Small Business Competitiveness Demonstration |
| SO | State Office |
| SOW | Scope of Work |
| SOW | Statement of Work |
| SPA124 | Stream Protection Act |
| SPAT | Service-Wide Project Assessment Team |
| SR | State Route |
| STA | State Transportation Agency |
| STEP | Student Temporary Experience Program |
| STIP | State Transportation Improvement Plan |
| SWPPP | Storm Water Pollution Prevention Plan |
| T&E | Threatened and Endangered (Species) |
| T2 | Technology Transfer |
| TA | Technical Advisory |
| TAR | Transportation Acquisition Regulation |
| TDOT | Tennessee Department of Transportation |
| TEA-21 | Transportation Equity Act for the 21st Century |
| THPO | Tribal Historic Preservation Officer |
| TIFIA | Transportation Infrastructure Finance and Innovation Act |
| TIP | Transportation Improvement Plan |
| TQM | Total Quality Management |
| TRB | Transportation Research Board |
| TTAP | Tribal Technical Assistance Plan |
| TxDOT | Texas Department of Transportation |
| UDOT | Utah Department of Transportation |
| USACE | United States Army Corps of Engineers |
| USC | United States Code |
| USDA | United States Department of Agriculture |
| USDOT | United States Department of Transportation |
| USFWS | United States Fish and Wildlife Service |
| VAOT | Vermont Agency of Transportation |
| VDOT | Virginia Department of Transportation |
| VE | Value Engineering |
| VIDPW | Virgin Islands Department of Public Works |
| WBE | Women's Business Enterprise |
| WDFW | Washington Department of Fish and Wildlife |
| WFL | Western Federal Lands |
| WFLHD | Western Federal Lands Highway Division |
| WisDOT | Wisconsin Department of Transportation |
| WRC | Western Resource Center |
| WSDOT | Washington State Department of Transportation |
| WVDOT | West Virginia Department of Transportation |
| WYDOT | Wyoming Department of Transportation |
| WYSHPO | Wyoming State Historic Preservation Officer |
| WZTC | Work Zone Traffic Control |
| YELL | Yellowstone National Park |
| YNP | Yellowstone National Park |
