|
TDO Acronyms
|
|
|
• Additional Transportation Acronyms
|
|
 |
A
|
|
|
AADT
|
Annual Average Daily Traffic
|
|
AASHTO
|
American Association of State Highway & Transportation Officials
|
|
ACP
|
Asphalt Concrete Pavement (asphalt surfacing) (aka HMA)
|
|
ADC
|
Automated Data Collection
|
|
ADT |
Average Daily Traffic |
|
AM/FM
|
Automated Mapping and Facilities Management
|
|
ANSI D.16
|
American National Standards Institute - Directive 16
|
|
ARM
|
Accumulated Route Mileage
|
|
ASCII
|
American Standard Code for Information Interchange
|
|
ATR
|
Annual Traffic Report
|
|
AVC
|
Automatic Vehicle Classification
|
|
AVI
|
Automatic Vehicle Identification
|
|
AVMT |
Annual Vehicle Miles Traveled |
|
AWDT
|
Average WeekDay Traffic
|
|
|
B
|
Top
|
|
BAL
|
Bicycle Accident Location
|
|
BST
|
Bituminous Surface Treatment
|
|
BTS
|
Bureau of Transportation Statistics
|
|
|
C
|
Top
|
|
CAE
|
Computer Automated Engineering
|
|
CARS QA
|
Collision Analysis & Reporting System - Quality Assurance
|
|
CBD
|
Central Business District
|
|
CLAS
|
Collision Location and Analysis System
|
|
CLCF
|
County Location Coding Form
|
|
CMAQ
|
Congestion Mitigation/Air Quality (ISTEA funds)
|
|
CMS
|
Congestion Management System (ISTEA Program)
|
|
CPMS/PATS
|
Capital Program Management System/Priority Array Tracking System
|
|
CRASH
|
Collision Reporting and Statistical History
|
|
CRAB
|
County Road Administration Board
|
|
CTR
|
Commute Trip Reduction
|
|
CVE
|
Commercial Vehicle Enforcement
|
|
|
D
|
Top
|
|
DDHV |
Directional Design Hourly Volume |
|
DMI |
Distance Measuring Instrument |
|
DUH
|
Divided Urban Highway
|
|
DVIS
|
Design Variance Inventory System
|
|
DVMT
|
Daily Vehicle Miles Traveled
|
|
|
E
|
Top
|
|
EDMS
|
Electronic Document Management System
|
|
ESAL
|
Equivalent Single Axle Load
|
|
|
F
|
Top
|
|
FAME
|
Freeway and Arterial Management Effort
|
|
FARS
|
Fatal Analysis Reporting System
|
|
FC
|
Functional Class
|
|
FGTS
|
Freight and Goods Transportation System
|
|
FHWA
|
Federal Highway Administration
|
|
FMAC
|
Freight Mobility Advisory Committee
|
|
FMCSA
|
Federal Motor Carrier Safety Administration
|
|
FMSIB |
Freight Mobility Strategic Investment Board |
|
|
G
|
Top
|
|
g
|
Gram
|
|
GIS
|
Geographic Information System
|
|
GPS
|
Global Positioning System
|
|
GRH
|
Guaranteed Ride Home
|
|
GVW
|
Gross Vehicle Weight
|
|
|
H
|
Top
|
|
HAC
|
High Accident Corridor
|
|
HAL
|
High Accident Location
|
|
HAR
|
Highway Advisory Radio
|
|
HCM
|
Highway Capacity Manual
|
|
HCTS
|
High Capacity Transportation Study
|
|
HMA
|
Hot Mix Asphalt (aka ACP) |
|
HOV
|
High Occupancy Vehicle
|
|
HPMS
|
Highway Performance Monitoring System
|
|
HSIG
|
Highway Safety Issues Group
|
|
HSIS
|
Highway Safety Information System
|
|
HSRC
|
Highway Safety Research Center
|
|
|
I
|
Top
|
|
I/C
|
Interchange
|
|
ICR
|
Intelligent Character Recognition
|
|
IMS
|
Intermodal Management System
|
|
IRD
|
International Roadway Dynamics
|
|
IRI
|
International Roughness Index
|
|
ITS
|
Intelligent Transportation System
|
|
|
J
|
Top
|
|
JLARC
|
Joint Legislative Audit and Review Committee
|
|
|
K
|
Top
|
|
kg
|
Kilogram
|
|
km
|
Kilometer
|
|
KIPS
|
1000 lbs.
|
|
|
L
|
Top
|
|
LOS
|
Level Of Service
|
|
LRS
|
Linear Referencing System (LRS) DMI based
|
|
LRT
|
Light Rail Transit
|
|
LTC
|
Legislative Transportation Committee
|
|
LTPP
|
Long Term Pavement Performance
|
|
|
M
|
Top
|
|
m
|
Meter
|
|
MLMP
|
Mainline Milepost
|
|
MMUCC
|
Model Minimum Uniform Crash Criteria
|
|
MPO
|
Metropolitan Planning Organization
|
|
MUTCD |
Manual on Uniform Traffic Control Devices |
|
|
N
|
Top
|
|
NCHRP
|
National Cooperative Highway Research Program
|
|
NEPA
|
National Environmental Policy Act
|
|
NHS
|
National Highway System
|
|
NHTSA
|
National Highway Traffic Safety Administration
|
|
|
O
|
Top
|
|
OHIM
|
FHWA's Office of Highway Information Management
|
|
OIT
|
Office of Information Technology
|
|
|
P
|
Top
|
|
PAL
|
Pedestrian Accident Location
|
|
PAS
|
Principal Arterial System
|
|
PCCP
|
Portland Cement Concrete Pavement (cement surfacing)
|
|
PDF
|
Portable Document Format
|
|
PMS
|
Pavement Management System
|
|
PS/E
|
Plans, Specification, and Estimate
|
|
PTCR
|
Police Traffic Collision Report
|
|
PTMS
|
Public Transportation Management System
|
|
PTR
|
Permanent Traffic Recorder
|
|
|
Q
|
Top
|
|
|
R
|
Top
|
|
RAP
|
Rural Arterial Program
|
|
RCW
|
Revised Code of Washington
|
|
RFP
|
Request for Proposal
|
|
RFQQ
|
Request For Qualifications Quote
|
|
RRP
|
Railroad Protection Fund
|
|
RRQ
|
Related Roadway Qualifier
|
|
RRS
|
Railroad Safety
|
|
RRT |
Related Roadway Type |
|
RTPO
|
Regional Transportation Planning Organization
|
|
RTS
|
Rapid Transit Services
|
|
|
S
|
Top
|
|
SAS |
Statistical Analysis Software |
|
SEPA
|
State Environmental Policy Act
|
|
SHRP
|
Strategic Highway Research Program
|
|
SOV
|
Single Occupant Vehicle
|
|
SPI
|
Superintendent of Public Instruction
|
|
SR
|
State Route
|
|
SRMP
|
State Route Mile Post
|
|
SP&P |
Strategic Planning & Programming |
|
STIP
|
Statewide Transportation Improvement Program
|
|
STP
|
Surface Transportation Program (funding through ISTEA)
|
|
SWIBS
|
Statewide Inventory of Bridges and Structures
|
|
|
T
|
Top
|
|
TARIS
|
Traffic, Accident, and Roadway Information System
|
|
TDM
|
Transportation Demand Management
|
|
TDO
|
Transportation Data Office
|
|
TPO
|
Transportation Planning Office
|
|
TIB
|
Transportation Improvement Board
|
|
TMG
|
Traffic Monitoring Guide
|
|
TMS
|
Traffic Monitoring System
|
|
TMSH
|
Traffic Monitoring System for Highways
|
|
TQM
|
Total Quality Management
|
|
TRAC
|
TRAnsportation Center
|
|
TraCS
|
Traffic and Criminal Software
|
|
TRB
|
Transportation Research Board
|
|
TRC
|
Traffic Records Committee
|
|
TRIPS
|
Transportation Information and Planning Support
|
|
TSIMS
|
Traffic Safety and Information Management System
|
|
TTC
|
Transportation Technical Committee
|
|
TWLTL |
Two-Way Left Turn Lane |
|
|
U
|
Top
|
|
|
V
|
Top
|
|
VCR
|
Vehicle Collision Report
|
|
VMT
|
Vehicle Miles Traveled
|
|
|
W
|
Top
|
|
WAC
|
Washington Administrative Code
|
|
WIM
|
Weigh-In-Motion
|
|
WSDOL
|
Washington State Department of Licensing
|
|
WSDOT
|
Washington State Department of Transportation
|
|
WSP
|
Washington State Patrol
|
|
WTSC
|
Washington Traffic Safety Commission
|
|
WUTC
|
Washington Utilities and Transportation Commission
|
|
|
X
|
Top
|
|
|
Y
|
Top
|
|
|
Z
|
Top
|
|
