AC – Alternating Current
ADO – Airport District Office
AIP – Airport Improvement Program
AMH – America’s Marine Highways
ARRA – America Recovery and Reinvestment Act of 2009
BAA – Buy American Act of 1933
BABA – Build America, Buy America
BEB – Battery Electric Bus
BEV – Battery Electric Vehicle
BIL – Bipartisan Infrastructure Law
BMS – Battery Management System
BRT – Bus Rapid Transit
BUILD – Better Utilizing Investments to Leverage Development
CAAC – Civilian Agency Acquisition Council
CCI – Confidential Commercial Information
CFO Act – Chief Financial Officer’s Act
CFR – Code of Federal Regulation
CGAC – Common Government Accounting Classification
CMAR – Construction Manager At Risk; aka Prime CMAR
CMO – Certificate of Materials Origin
CMSA – Construction Management Services Agreement
CNG – Compressed Natural Gas
COTS – Commercial Off The Shelf products
CTE – Center for Transportation and the Environment
CUI – Controlled Unclassified Information
DC – Direct Current
DFARS – Defense Federal Acquisition Regulation Supplement
DOC – Department of Commerce
DOD – Department of Defense
DOT – Department of Transportation
DSWP – Domestic Sourcing and Workforce Plans
eCFR – Electronic Code of Federal Regulation
EE – Employee
EHC – Electrochemical Hydrogen Compressor
ER – Employer
ERTMS – European Rail Traffic Management System
EV – Electric Vehicle
FAA – Federal Aviation Administration
FAHP – Federal Aid Highway Program
FAIN – Federal Award Identification Number
FAQ – Frequently Asked Questions
FAR – Federal Acquisition Regulation
FARC – Federal Acquisition Regulatory Council
FASC – Federal Acquisition Security Council
FAST Act – Fixing America’s Surface Transportation Act
FFGA – Full Funding Government Agreement
FHWA – Federal Highway Administration
FICA – Federal Insurance Contributions Act
FMS – Fleet Management System
FMVSS – Federal Motor Vehicle Safety Standards
FOIA – Freedom of Information Act
FOVO – For Official Use Only
FPDS – Federal Procurement Data System
FR – Federal Register
FRA – Federal Railroad Administration
FSP – Federal State Partnership
FTA – Federal Transit Administration or Free Trade Agreement
FUTA – Federal Unemployment Tax Act
GAAP – Generally Accepted Accounting Principles
GMP – Guaranteed Maximum Price
GPA – Government Procurement Agreement
GSA – General Services Administration
HMI – Human Machine Interface
HSIPR – High Speed Passenger Intercity Rail
HSR – High-Speed Rail
HTS – Harmonized Tariff Schedule
IED – Intelligent Electrical Devices
IEEE – Institute of Electrical and Electronics Engineers
IFB – Invitation For Bid
IGBT – Insulated Gate Bipolar Transistor
IIJA – Infrastructure Investment and Jobs Act
IRA – Inflation Reduction Act
ITA – International Trade Administration
ITN – Invitation To Negotiate
INFRA – National Significant Freight and Highway Projects program
LDs – Liquidated Damages
LPA – Local Public Agency
LRV – Light Rail Vehicle
MAP-21 – Moving Ahead for Progress in the 21st Century Act
MARAD – Maritime Administration
MEP – Manufacturing Extension Partnership
MIAO – Made in America Office
MOU – Memorandum of Understanding
MTU – Monitoring Terminal Unit
NHTSA – National Highway Traffic Safety Administration
NAFTA – North America Free Trade Agreement (replaced by USMCA)
NDAA – National Defense Authorization Act
NEPA – National Environmental Policy Act
NIST – National Institute of Standards and Technology
NOFO – Notice of Funding Opportunity
NOI – Notice of Intent
NPRM – Notice of Proposed Rulemaking
NRE – Non-Recurring Cost
NRE – Non-Recurring Expense
NTP – Notice to Proceed
OA – Operating Administration
OAL – Office of Acquisition and Logistics
OEM – Original Equipment Manufacturer
OFPP – Office of Federal Procurement Policy
OMB – Office of Management and Budget
OP – Oversight Procedure
OST – Office of the Secretary
PC – Personal Computer
PDU – Power Distribution Unit
PGL – Program Guidance Letter
PIDP – Port Infrastructure Development Program
PL – Public Law
PLC – Programmable Logic Controller
PMOC – Project Management Oversight Contractor
PPSO/RMCS – Procurement Policy and Systems Oversight/Risk Management and Compliance Service
PRIIA – Passenger Rail Investment and Improvement Act of 2008
PSC – Product and Service Code
PTC – Positive Train Control
RAISE – Rebuilding American Infrastructure with Sustainability and Equity
RFHWA – Regional Federal Highway Agency
RFI – Request For Information
RFP – Request For Proposal
RFQ – Request for Quotation
RIA – Regulatory Impact Analysis
RIN – Regulatory Identification Number
RRIF – Railroad Rehabilitation and Improvement Financing
RTP – Recreational Trails Program
SaaS – Software as a System
SAFETEA-LU – Safe, Accountable, Flexible, Efficient Transportation Equity Act: A legacy for Users
SAM – System for Award Management
SAO – Senior Accountable Official
SAT – Simplified Acquisition Threshold
SC/CASA – South Caucasus/Central and South Asia
SCR – Selective Catalytic Reduction
SOE – State-Owned and Supported Enterprises
SPE – Senior Procurement Executive
SSI – Security Sensitive Information
STAA – Surface Transportation Assistance Act
TAA – Trade Agreement Act
TIFIA – Transportation Infrastructure and Innovation Act
TIGER – Transportation Investment Generating Economic Recovery
TOD – Train Operator Display
TSSSA – Technical Support and Spares Supply Agreement
TVM – Transit Vehicle Manufacturer
USMCA – U.S.-Canada-Mexico Agreement (replaces NAFTA)
UTR – Utility Tractor Rig
UEI – Unique Entity Identifier
USC – United States Code
VA – Veterans Affairs
WTO – World Trade Organization
WTO GPA – World Trade Organization Government Procurement Agreement
ZEB – Zero Emissions Bus