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Acronym Term
23 CFR 450 Title 23 of the Code of Federal Regulations, Section 450
28E Agreement - Chapter 28E, Code of Iowa
3-C Continuing, Comprehensive and Cooperative Transportation Planning Process
AA Alternatives Analysis
AADT Average Annual Daily Traffic
AASHTO American Association of State Highway and Transportation Officials
ACS American Community Survey
ADA Americans with Disabilities Act
ADT Average Daily Traffic
AFV Alternative-Fuel Vehicle
AFZ Auto-Free Zone
AIP Airport Improvement Program
ALAS Accident Location and Analysis System
AMOCO American Oil Company
AMPO Association of Metropolitan Planning Organizations
AMTRAK National Passenger Railroad Association
APA American Planning Association
APTA American Public Transit Association
APTS Advanced Public Transportation System
AQI Air Quality Index
ARTS Advanced Rural Transportation System
ARZ Auto-Restricted Zone
ASCE American Society of Civil Engineers
ATA American Trucking Association
ATAA Air Transport Association of America
ATIS Advanced Traveler Information System
ATMS Advanced Traveler Management System
ATR Automatic Traffic Recorder
BEA Bureau of Economic Analysis, Department of Commerce
BNSF Burlington Northern Santa Fe Railway Company
BRT Bus Rapid Transit
BTS Bureau of Transportation Statistics
BY Base Year
CAA Clean Air Act
CAAA Clean Air Act Amendment of 1990
CAP Cost Allocation Plan
CBD Central Business District
CBP Customs and Border Protection
CFR Code of Federal Regulations
CHSP Comprehensive Highway Safety Plan
CIP Capital Improvement Program
CIRTPA Central Iowa Regional Transportation Planning Alliance
CLU Compatible Land Use
CMAQ Congestion Mitigation and Air Quality
CMP Congestion Management Process
CMS Congestion Management System
COFC Container On Flat Car
COG Council of Governments
CPI Consumer Price Index
CTPP Census Transportation Planning Package
CVO Commercial Vehicle Operations
CY Calendar Year
CyRide Ames Public Transit Agency
DA Discretionary Award
DART Des Moines Area Regional Transit Authority
DEIS Draft Environmental Impact Statement
DMS Dynamic Message Signs
DNR Department of Natural Resources
DOT Department of Transportation
DSM Des Moines International Airport
dTIMS Deighton Total Infrastructure Management System
E&H Elderly and Handicapped
EA Environmental Assessment
EIS Environmental Impact Statement
EJ Environmental Justice
EMS Emergency Medical Services
EPA Environmental Protection Agency
FAA Federal Aviation Administration
FBO Fixed Base Operator
FEMA Federal Emergency Management Agency
FFCS Federal Functional Classification System
FFY Federal Fiscal Year
FHWA Federal Highway Administration
FLOWSIM Traffic Flow Planning Simulation
FONSI Finding of No Significant Impact
FR Federal Register
FRA Federal Railroad Administration
FTA Federal Transit Administration
FTZ Foreign Trade Zone
FY Fiscal Year
GA General Aviation
GASB Government Accounting Standards Board
GDMP Greater Des Moines Partnership
GIS Geographic Information System
GMAC Goods Movement Advisory Committee
GPS Global Positioning System
HAR Highway Advisory Radio
HAZMAT Hazardous Materials
HBRRP Highway Bridge Replacement & Rehabilitation Program
HES Hazard Elimination and Safety Program
HIRTA Heart of Iowa Regional Transit Agency
HOV High Occupancy Vehicle
HSIP Highway Safety Improvement Program
HSR High Speed Rail
HTF Highway Trust Fund
HY Horizon Year
HY 2030 LRTP Horizon Year 2030 Long-Range Transportation Plan
HY 2035 MTP Horizon Year 2035 Metropolitan Transportation Plan
I-235 Interstate 235
ICAAP Iowa’s Clean Air Attainment Program
IDOT Iowa Department of Transportation
IGIC Iowa Geographic Information Council
IJR Interchange Justification Report
IKV Ankeny Regional Airport
IM Interstate Maintenance
InTrans Institute for Transportation, Iowa State University
IPMP Iowa Pavement Management Program
IPTA Iowa Public Transit Association
ISTEA Intermodal Surface Transportation Efficiency Act of 1991
ITS Intelligent Transportation Systems
JARC Job Access and Reverse Commute Program
JIT Just-In-Time
JT Jurisdictional Transfer
LDI Locally Determined Income
LEED Leadership in Engineering and Environmental Design
LOS Level of Service
LRTP Long-Range Transportation Plan
MAGLEV Magnetically Levitated Transportation
MITSIM Microscopic Traffic Simulator
MOE Measure of Effectiveness
MOU Memorandum of Understanding
MRRI Midwest Regional Rail Initiative
MSA Metropolitan Statistical Area
MTP Metropolitan Transportation Plan
MTPC Metropolitan Trails Planning Committee
MUTCD Manual on Uniform Traffic Control Devices
NAAQS National Ambient Air Quality Standards
NAIPN North American Inland Ports Network
NASCO North American SuperCorridor Coalition
National  Guidance Guidance for Conducting Environmental Justice Analyses
NEPA National Environmental Policy Act of 1969
NHS National Highway System
NHTS National Household Travel Survey (formerly NPTS)
NLCD National Land Cover Database
Non-NHS Non-National Highway System
NPRM Notice of Proposed Rulemaking
NRHP National Register of Historic Places
NTAD National Transportation Atlas Database
NWI National Wetlands Inventory
OTRB Over-the-Road Bus Accessibility Program
PAB Planning Area Boundary
PCI Pavement Condition Index
PFC Passenger Facility Charge
PL Planning Funds
PM2.5 Particulate Matter of 2.5 Microns in Diameter or Smaller
PMS Pavement Management System
PPP Public Participation Plan
PTMS Public Transportation Facilities and Equipment Management System
PTP Passenger Transportation Plan
Quad Cities Davenport, IA; Burlington, IA; Rock Island, IL; and, Moline, IL
REMI Regional Economic Models, Inc.
RFP Request for Proposal
RISE Revitalize Iowa’s Sound Economy
ROD Record of Decisions
RPA Regional Planning Affiliation
RPC Regional Planning Committee
RPZ Runway Protection Zone
RUTF Road Use Tax Fund
SAFETEA-LU Safe, Accountable, Flexible, Efficient, Transportation Equity Act: A Legacy for  Users
Section 5303 FTA Funding Program - Metropolitan Planning Program
Section 5307 FTA Funding Program - Urbanized Area Formula Program
Section 5309 FTA Funding Program - Capital Investment Program
Section 5310 FTA Funding Program - Special Needs Program
Section 5311 FTA Funding Program - Non-Urbanized Area Formula Program
Section 5316 FTA Funding Program - Job Access Reverse Commute Program
Section 5317 FTA Funding Program - New Freedom Program
SHPO State Historic Preservation Office
SI&A Structure Inventory and Appraisal
SIC Standard Industrial Classification
SICL Safety Improvement Candidate Location
SIP State Implementation Plan for Air Quality
SOV Single Occupancy Vehicle
SPR State Planning and Research Funds
SRTS Safe Routes to School
STA State Transit Assistance
STIP State Transportation Improvement Program
STP Surface Transportation Program
STP TE Surface Transportation Program Transportation Enhancement
STPP Surface Transportation Policy Project
Task Force Growth Scenario Task Force
TAZ Traffic/Transportation Analysis Zone
TCSP Transportation and Community and System Preservation
TDF Travel Demand Forecasting
TDM Travel Demand Model
TDM Transportation Demand Management
TE Transportation Enhancement
TEA-21 Transportation Equity Act for the 21st Century
TIF Tax Increment Financing
TIME-21 Transportation Investment Moves the Economy in the 21st Century
TIP Transportation Improvement Program
TJ Transfer of Jurisdiction
TMA Transportation Management Area
TMA Transportation Management Association
TMAC Transportation Management Advisory Committee
TMC Traffic Management Center
TOFC Trailer on Flat Car
TPMS Transportation Program Management System
TRANSIMS Transportation Analysis and Simulation System
TRB Transportation Research Board
TSA Transit Supportive Area
TTC Transportation Technical Committee
UPWP Unified Planning Work Program
USC United States Code
UZA Urbanized Area
VHT Vehicle Hours Traveled
VMT Vehicle Miles Traveled
WRA Wastewater Reclamation Authority
Last updated July 23, 2010