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3Cs
continuing, comprehensive, cooperative

3-R  
restoration, rehabilitation and resurfacing

4-R  
restoration, rehabilitation, resurfacing and reconstruction


A



A&E
architectural and engineering

AA
affirmative action

AAA
American Automotive Association

AAAFTS
American Automobile Association Foundation for Traffic Safety

AADT
annual average daily traffic

AAH
Adopt-A-Highway

AAMVA
American Association of Motor Vehicle Administrators

AAOA
Area Agency on Aging

AAP
Affirmative action plan

AAR
Association of American Railroads

AASHTO
American Association of State Highway Officials

ABA
American Bus Association

ABS
antilock braking system

ACC
asphalt cement concrete

ACI
American Concrete Institute

ACPA
American Concrete Paving Association

ACS
automatic clearance sensing

ACSM
American Congress on Surveying and Mapping

ADA
Americans with Disabilities Act

ADIS
advanced driver information systems

ADL
average daily load

ADT
average daily traffic

AFC
automatic fare collection

AFSCME
American Federation of State, County and Municipal Employees

AFV
alternative-fuel vehicles

AG
attorney general

AGC
Association of General Contractors

AI
Appraisal Institute

AICP
American Institute of Certified Planners

AIP
Airport Improvement Program

AISC
American Institute of Steel Construction

ALAS
Accident Location and Analysis System

AMA
American Motorcyclist Association

AMASCOT
Automated Mileage and Stateline Crossing Operational Test

AMFA
Alternative Motor Fuels Act (1988)

AMPD
average miles driven per day

AMPO
Association of Metropolitan Planning Organizations

AMRL
AASHTO Materials Reference Lab

AMSL
above mean sea level

AMTRAK
National Railroad Passenger Corporation

ANPRM
advanced notice of proposed rulemaking

ANSI
American National Standards Institute

AOA
Agency on Aging

AOPA
Aircraft Owners and Pilots Association

APAI
Asphalt Paving Association of Iowa

APC
automatic passenger counters

API
American Petroleum Institute

APNC
Appanoose County Community Railroad Inc.

APTA
American Public Transit Association

APWA
American Public Works Association

ARAN
automatic road analyzer

ARI
Average Ride Index

ARRA
American Recovery and Reinvestment Act of 2009 (aka Recovery Act)

ARTBA
American Road and Transportation Builders Association

ART
applied research and technology

ARTS
Advanced Rural Transportation Systems
Automated Registration and Title Software
Automated Registration and Title System

ASA
American Society of Appraisers

ASCE
American Society of Civil Engineers

ASCII
American Standard Code for Information Interchange

ASFMRA
American Society of Farm Managers and Rural Appraisers

ASOS
Automated Surface Observation System
Automated Surface Observing System

ASPRS
American Society for Photogrammetry and Remote Sensing

AST
above ground storage tanks

ASTM
American Society for Testing and Materials

ATA
American Trucking Association

ATB
asphalt-treated base

ATC
air traffic control

ATF
Alcohol Testing Form (U.S. Department of Transportation's)

ATIS
Advanced Travel Information System

ATMS
Advanced Traffic Management System

ATR
automatic traffic recorder

ATSSA
American Traffic Safety Services Association

ATV
all-terrain vehicle

AVC
automatic vehicle classification

AVCS
Advanced Vehicle Control System

AVI
automated vehicle identification

AVL
automatic vehicle locator

AVLS
automatic vehicle location system

AVM
automatic vehicle monitoring

AVMT
annual vehicle miles of travel

AVO
average vehicle occupancy

AVR
average vehicle ridership

AVW
automatic vehicle weighing

AWOS
automated weather observation station
automated weather observation system
automated weather observing system

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B



B & A
before and after appraisal

BAC
blood alcohol concentration
blood alcohol content

BAPR
Buy American Act procurement requirement (41 U.S.C. 10a through 10b)

BAT
Breath Alcohol Technician

B/C
benefit cost ratio

BC/BS
Blue Cross/Blue Shield

BEST
Building Excellence in Services and Transportation

BF
base fare

BIA
Bureau of Indian Affairs

BJRY
Burlington Junction Railway

BLCR
bridge load capacity rating

BMP
best management practice

BMS
Bridge Management System

BNSF
BNSF Railway Company

BOL
bill of lading

BPAC
Bicycle and Pedestrian Advisory Committee

BPPM
Best Practices Procurement Manual (Federal Transit Administration's)

BRTF
Blue Ribbon Task Force

BTS
Bureau of Transportation Statistics

BWIM
bridge weigh-in-motion

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C



CAA
Clean Air Act

CAAA
Clean Air Act Amendment of 1990

CAD
computer-aided dispatching

CADD
computer-aided drafting and design

CADRE
Critical Automated Data Reporting Elements (NHTSA)

CAO
chief administrative officer

CAP
Civil Air Patrol
corrugated aluminum pipe

CARD
Crash Avoidance Research Data (NHTSA)

CATEx
categorical exclusion

CBEC
CBEC Railway Inc.

CBGR
Great Western Railway Company of Iowa, LLC

CC
Chicago, Central and Pacific Railroad
cost center

CD-ROM
compact disk-read-only memory

CDL
commercial driver's license

CE
categorical exclusion
civil engineer
compensation estimate
construction engineering

CEBA
Community Economic Betterment Account

CEDR
Cedar River Railroad Company

CEPP
Community Economic Preparedness Program

CEQ
Council on Environmental Quality

CERCLA
Comprehensive Environmental Response, Compensation, and Liability Act of 1980 or “Superfund”

CERF
Civil Engineering Research Foundation (ASCE)

CFR
Code of Federal Regulations

CHRIS
Chemical Hazard Response Information System

CI
Congestion Index

CIC
Cedar Rapids and Iowa City Railway Company

CICS
Customer Information Control System

CIE
Commission Internationale de I'Éclairage (International Commission on Street/Highway Lighting)

CIL
complete interchange lighting

CIN
Commercial and Industrial Network

CIP/CIPR
cold-in-place/cold-in-place recycling

CJPC
Contractors Joint Policy Committee
Criminal Justice Policy Coalition

CL
car load
centerline

CMAQ
Congestion Mitigation and Air Quality Improvement Program

CMP
corrugated metal pipe

CMS
congestion management system

CMV
commercial motor vehicle

COB
close of business

COE
Corps of Engineers (U.S. Army Corps of Engineers)
Center of Excellence
Common Operating Environment

COFC
container-on-flatcar

COG
Council of Governments

CoMS
congestion management system

COOP-COG
Continuity of Operations and Continuity of Government

CORS
continuously operating reference station

CQI
continuous quality improvement

CRC
continuously reinforced concrete

CRP
community and regional planning

CRSI
Concrete Reinforcing Steel Institute

CSP
corrugated steel pipe

CSS
context-sensitive solution

CSSB
concrete safety shaped barrier

C-STEP
County-State Traffic Engineering Program

C/TPA
Consortium/Third Party Administrator (capitalized when referencing the statutorily required position)

CVIS
commercial vehicle information system

CVO
commercial vehicle operation /operators

CVSA
Commercial Vehicle Safety Alliance

CWA
Clean Water Act

CWIM
continuous weigh-in-motion

CWT
constant warning time

CY
calendar year

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D



DAIR
D & I Railroad Company

DAS-GSE
Department of Administrative Services-General Services Enterprise

DAS-HRE
Department of Administrative Services-Human Resource Enterprise

DAS-ITE
Department of Administrative Services-Information Technology Enterprise

DAS-SAE
Department of Administrative Services-State Accounting Enterprise

DATMIS
Drug Alcohol Testing Management Information System

dB
decibel

DBE
disadvantaged business enterprise

DE
district engineer

DED
Department of Economic Development (former name; now known as Iowa Economic Development Authority/IEDA)

DEIS
draft environmental impact statement

DHV
design hourly volume

DME
Dakota, Minnesota & Eastern Railroad Corp.

DMM
district maintenance manager

DMS
dynamic message sign

DNR
Department of Natural Resources

DOE
U.S. Department of Energy

DOI
U.S. Department of the Interior

DOT
Department of Transportation

DPS
Department of Public Safety

DSD
decision sight distance

DSS
decent, safe and sanitary

DTM
digital terrain model

DTN
data transmissions network

DUATS
direct user access terminal systems

DUI
driving under the influence

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E



EA
environmental assessment

EAA
Experimental Aircraft Association

EAP
Employee Assistance Program

EAS
essential air service

EDS
early deployment study

EEO
equal employment opportunity

EFT
electronic funds transfer

EIS
Emergency Information System
environmental impact statement

EFT
electronic funds transfer

EJ
environmental justice

EMS
emergency medical services
electronic funds transfer

EPA
Environmental Protection Agency

ERMS
electronic records management system

ER
Emergency Relief program

ESA
Endangered Species Act

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F



FAA
Federal Aviation Administration

FARS
Fatal Accident Reporting System

FBO
fixed-base operator

FCC
Federal Communications Commission

F & E
fixtures and equipment

FDTCCF
Federal Drug Testing Custody and Control Form

FEIS
final environmental-impact statement

FEMA
Federal Emergency Management Agency

FFY
federal fiscal year (Oct. 1 to Sept. 30)

FHWA
Federal Highway Administration

F-M
farm-to-market (road classification)

FMCSA
Federal Motor Carrier Safety Administration

FMCSR
Federal Motor Carrier Safety Regulations

FMLA
Family and Medical Leave Act

FOIA
Freedom of Information Act

FONSI
finding of no significant Impact

FR
Federal Register

FRA
Federal Railroad Administration

FTA
Federal Transit Administration

FTE
full time equivalent

FWS
Fish and Wildlife Service

FY
fiscal year

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G



GA
General Assembly (state legislature)
general aviation  

GAO
General Accountability Office

GATT
General Agreement on Tariffs and Trade

GAWR
gross axle weight rating

GDL
graduated driver's license

GDP
gross domestic product

GIMS
Geographic Information Management System

GIS
geographic information system

GIS-CC
Geographic Information Systems Coordinating Committee

GNSS
global navigation satellite system

GPS
global positioning system

GSA
gap search and acceptance zone
General Services Administration
Geological Society of America

GSP
gross state product

GVW
gross vehicle weight

GVWR
gross vehicle weight rating

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H



HAP
hazardous air pollutant

HAR
highway advisory radio

HAZMAT
hazardous materials

HBRRP
Highway Bridge Replacement and Rehabilitation Program

HDDV
heavy-duty diesel vehicle

HDMT
Highway Division Management Team

HEEP
Highway Engineering Exchange Program

HLSEM
Homeland Security Emergency Management

HMA
hot-mix asphalt

HMIS
hazardous materials information system

HOV
high-occupancy vehicle

HP
Horsepower

HPMS
Highway performance monitoring system

HR
House of Representatives

HRR
high-risk rural roads

HSIP
Highway Safety Improvement Program

HSIPR
High Speed and Intercity Passenger Rail Program

HTF
Highway Trust Fund

HTML
HyperText Markup Language

HUD
Department of Housing and Urban Development

HUF
Highway Users Federation (national lobby group)

HV
heavy vehicle

HVAC
heating, ventilating and air conditioning

HVUT
Heavy Highway Vehicle Use Tax