Positions and Groups
A/P – Accounts Payable
A/R – Account Receivable
EA – Executive Assistant
HR – Human Resources
PA – Project Accountant
PM – Project Manager
OC – Office Coordinator
Business Terminology
COB – Close of Business
COI – Certificate of Insurance
EOD – End of Day
DBE/ WMBE – Disadvantaged Business Enterprise/ Women and Minority Business Enterprise
NTP – Notice to Proceed
PO/ PO# – Project Order/ Project Order Number[1]
QA/QC – Quality Assurance/ Quality Control
RFP – Request for Proposal
Professional Certifications
AICP – American Institute of Certified Planers (American Professional License)
ASLA – American Society of Landscape Architects (American Credential)
CPSM – Certified Professional in Supply Management
CSLA – Canadian Society of Landscape Architects (Canadian Credential)
EI – Engineer Intern (American Credential)
EIT – Engineer in Training (American Credential)
Esq. – Esquire (American Designation for Licensed Lawyer)
JD – Juris Doctor
LEED AP – Leadership in Energy and Environmental Design Associated Professional (American Credential)
P.E. – Professional Engineer (American Professional License)
P.Eng. – Professional Engineer (Canadian Professional License)
PLA – Professional Landscape Architect (American Professional License)
PTOE – Professional Traffic Operations Engineer (American Professional License)
Business and Industry Terminology
AASHTO – American Association of State Highway and Transportation Officials[2]
ADA – Americans with Disabilities Act
ADT – Average Daily Traffic
APA – American Planning Association
APBP – Association of Pedestrian and Bicycle Professionals
APS – Accessible Pedestrian Signal
BRT – Bus Rapid Transit System
DOT – Department of Transportation (plural: state DOTs)
EPA – Environmental Protection Agency
FHWA – Federal Highway Administration
HCM – Highway Capacity Manual
ITE – Institute of Transportation Engineers
LOS – Level of Service
LTS – Level of Traffic Stress
MPO – Metropolitan Planning Organization
MUTCD – Manual on Uniform Traffic Control Devices
NACTO – National Association of City Transportation Officials
NCHRP – National Cooperative Highway Research Program
PROWAG – Public Rights of Way Accessibility Guidelines
SRTS – Safe Routes to School
TMC – Traffic Management Center
TWLTL – Two-Way Left Turn Lane
USDOT – United States Department of Transportation
VMT – Vehicle-Miles Traveled
WTS – Women in Transportation