| A |
| AASHTO | American Association of State Highway Transportation Officials |
| AAR | Association of American Railroads |
| ABA | American Bus Association |
| ADPS | Alabama Department of Public Safety |
| AEMA | Alabama Emergency Management Agency |
| ALDOT | Alabama's Department of Transportation |
| APTA | American Public Transportation Association |
| ARC | American Red Cross |
| ATA | American Trucking Associations |
| ATIS | Advanced Traveler Information Systems |
| B |
| BNSF | Burlington Northern Santa Fe Railway |
| C |
| CATS | Consequence Assessment Tool Set |
| CBRNE | Chemical, Biological, Radiological, Nuclear, or Explosive |
| CEMP | Comprehensive Emergency Management Plan |
| CEO | Chief Executive Officer |
| CERT | Community Emergency Response Team |
| CMC | Crisis Management Center |
| CTGP | Competitive Training Grant Program |
| D |
| DHS | Department of Homeland Security |
| DMS | Dynamic Message Sign |
| DOD | Department of Defense |
| DOH | Department of Health |
| DSCA | Defense Support of Civil Authorities |
| DTRA | Defense Threat Reduction Agency |
| E |
| EC | Emergency Coordinators |
| ELT | Evacuation Liaison Team |
| EMAC | Emergency Management Assistance Compact |
| EMAP | Emergency Management Accreditation Program |
| EMPG | Emergency Management Performance Grant |
| EOC | Emergency Operations Center |
| EOP | Emergency Operations Plan |
| EPI | Emergency Public Information |
| ERC | Emergency Response Center |
| ESARVHP | Emergency System for Advanced Registration of Volunteer Health Professionals |
| ESF | Emergency Support Functions |
| ETC | Emergency Transportation Center |
| ETIS | Evacuation Traffic Information System |
| ETO | Emergency Transportation Operations |
| F |
| FAA | Federal Aviation Administration |
| FCO | Federal Coordinating Officer |
| FDEM | Florida Division of Emergency Management |
| FDOT | Florida Department of Transportation |
| FEMA | Federal Emergency Management Agency |
| FHWA | Federal Highway Administration |
| FMCSA | Federal Motor Carrier Safety Administration |
| FRA | Federal Railroad Administration |
| FRC | Federal Resource Coordinator |
| FRP | Federal Response Plan |
| FTA | Federal Transit Administration |
| G |
| GAO | Government Accountability Office |
| GIS | Geographic Information System |
| H |
| HAZUS-MH | Hazards US Multi-Hazards |
| HCM | Highway Capacity Manual |
| HES | Hurricane Evacuation Studies |
| HELP | Hierarchical Evacuation Level Planning |
| HHS | Department of Health and Human Services |
| HSC | Homeland Security Council |
| HSEEP | Homeland Security Exercise and Evaluation Program |
| HSGP | Homeland Security Grant Program |
| HSOC | Homeland Security Operations Center |
| HSPD | Homeland Security Presidential Decision Directive |
| HSPD 5 | Homeland Security Presidential Decision Directive - Domestic Incident Management |
| HSPD 8 | Homeland Security Presidential Decision Directive - National Preparedness |
| HSAS | Homeland Security Advisory System |
| HSPTAP | Homeland Security Preparedness Technical Assistance Program |
| HURREVAC | Hurricane Evacuation Model |
| I |
| IAEM | International Association of Emergency Managers |
| ICC | Interstate Commerce Commission |
| ICM | Intelligence Consequence Management |
| ICP | Incident Command Post |
| ICS | Incident Command Structure |
| IIMG | Interagency Incident Management Group |
| ITS | Intelligent Transportation Systems |
| J |
| JACE | Joint Assessment of Catastrophic Events |
| JFO | Joint Field Office |
| JPO | Joint Program Office |
| K |
| L |
| LPN | Licensed Practical Nurse |
| M |
| MARAD | U.S. Maritime Administration |
| MASSVAC | Mass Evacuation Model |
| MEMA | Mississippi Emergency Management Agency |
| MDOH | Mississippi Department of Health |
| MDOT | Mississippi Department of Transportation |
| MREs | Meals Ready-To-Eat |
| MDSS | Maintenance Decision Support System |
| MTA | Metropolitan Transportation Authority |
| MCC | Multi-agency Coordination Center |
| N |
| NCD | National Council on Disabilities |
| NDMS | National Disaster Medical System |
| NEMA | National Emergency Management Association |
| NETVAC | Network Emergency Evacuation Model |
| NFPA | National Fire Protection Association |
| NFPA 1600 | National Fire Protection Association 1600 - Standard on Disaster/Emergency Management and Business Continuity Programs |
| NGOs | Non-Governmental Organizations |
| NHC | National Hurricane Center |
| NIMS | National Incident Management System |
| NOAA | National Oceanic & Atmospheric Administration |
| NRC | Nuclear Regulatory Commission |
| NRCC | National Response Coordination Center |
| NRP | National Response Plan |
| NWS | National Weather Service |
| NVOAD | National Voluntary Organizations Active in Disaster |
| O |
| OEM | Office of Emergency Management |
| OEMS | Office of Emergency Services |
| OREMS | Oak Ridge Evacuation Modeling System |
| OST | Office of the Secretary |
| OST/S-60 | Office of Intelligence, Security, and Emergency Response |
| P |
| PFO | Principal Federal Officer |
| POC | Point of Contact |
| R |
| RETCO | Regional Emergency Transportation Coordinator |
| RETREP | Regional Emergency Transportation Representative |
| RN | Registered Nurse |
| ROC | Regional Operations Center |
| RRCC | Regional Response Coordination Center |
| RRF | Ready Reserve Force |
| RRT | Regional Response Team |
| RUCS | Regional Unified Command Structure |
| S |
| S-60 | Office of Intelligence, Security, and Emergency Response |
| SAFETEA-LU | Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users |
| SCO | State Coordinating Officer |
| SEOC | State Emergency Operations Center |
| SERT | State Emergency Response Team |
| SFLEO | Senior Federal Law Enforcement Official |
| SFO | Senior Federal Official |
| SLG 101 | State and Local Guide 101 |
| SLOSH Model | Sea, Lake, and Overland Surges from Hurricanes Model |
| SOP | Standard Operating Procedure |
| STB | Surface Transportation Board |
| T |
| TCL | Target Capabilities List |
| TMC | Transportation Management Centers |
| TRAC | Terrebonne Parish Readiness and Assistance Coalition |
| TRB | Transportation Research Board |
| TTF | Texas Task Force |
| U |
| USACE | U.S. Army Corps of Engineers |
| U.S. DOT | U.S. Department of Transportation |
| UNC-CH | University of North Carolina-Chapel Hill |
| USNORTHCOM | U.S. Northern Command |
| USTRANSCOM | U.S. Transportation Command |
| UTL | Universal Task List |
| V |
| VA | Department of Veteran Affairs |
| VMS | Variable Message Sign |
| W |
| X |
| Y |
| Z |
