Office of Operations
21st Century Operations Using 21st Century Technologies

List of Acronyms

Acronym Description
AASHTO American Associate of State Highway and Transportation Officials
AVC Automatic Vehicle Classification
AVI Automatic Vehicle Identification
BRT Bus Rapid Transit
CCTV Closed Circuit Television
CDOT Colorado Department of Transportation
CHP California Highway Patrol
CSC Customer Service Center
CTOC California Toll Operators Committee
DOT Department of Transportation
DSRC Digital Short Range Communication
DVAs Digital Video Audit Systems
EB Eastbound
ETC Electronic Toll Collection
FHWA Federal Highway Administration
HCTRA Harris County Toll Road Authority
HOT High Occupancy Toll
HOV High Occupancy Toll
IBTTA International Bridge, Tunnel and Toll Authority
ITS Intelligent Transportation Systems
LOS Level of Service
LOV Low Occupancy Vehicle
MnDOT Minnesota Department of Transportation
MOM Maintenance Online Monitoring
MPO Metropolitan Planning Organization
MUTCD Manual on Uniform Traffic Control Devices
NTDEV Notic of Delinquent Toll Evasion
NTP Notice to Proceed
OCR Optical Character Recognition
OCTA Orange County Transportation Authority
ORT Open Road Tolling
PPPs Public Private Partnerships
RFID Radio Frequency Identification
RFP Request For Proposal
RPOs Regional Planning Organizations
RTMS Remote Traffic Microwave Sensor
SAFETEA-LU Safe, Accountable, Flexible and Efficient Transportation Equity Act: A Legacy for Uers
SANDAG San Diego Association of Governments
SOV Single Occupant Vehicle
SPLOST Special Purpose Local Option Sales Tax
TDM Transportation Demand Management
TSM Transportation System Management
TxDOT Texas Department of Transportation
VES Violation Enforcement System
VMS Variable Message Sign
VPC Video Processing Center
VTMS Variable Toll Message Sign
WB Westbound


June 2007
Publication #FHWA-HOP-08-034