Traffic Monitoring Guide

3S2

3-axle tractor with a 2-axle semi-trailer

AADT

Annual Average Daily Traffic

AADBT

Annual Average Daily Bicycle Traffic

AADNT

Annual Average Daily Nonmotorized Traffic

AADPT

Annual Average Daily Pedestrian Traffic

AADTT

Annual Average Daily Truck Traffic

AASHTO

American Association of State Highway and Transportation Officials

AAWDT

Annual Average Weekday Traffic

ADMS

Archived Data Management System

ADT

Average Daily Traffic

ADUS

Archived Data User Service

APTS

Advanced Public Transportation Systems

ARTS

Advanced Rural Transportation Systems

ASTM

American Society for Testing and Materials

ATIS

Advanced Traveler Information System

ATS

Average Tandem Spacing

ATMS

Advanced Traffic Management System

ATR

Automated Traffic Recorder

AVC

Automated Vehicle Classifier

AVDT

Annual Vehicle Distance Traveled

BMS

Bridge Management System

CAAA

Clean Air Act Amendments (1990)

CCS

Continuous Count Station

CFR

Code of Federal Regulations

CMS

Congestion Management System

CVC

Continuous Vehicle Classifier

CVO

Commercial Vehicle Operations

DOT

Department of Transportation

DOW

Day of Week

DVDT

Daily Vehicle Distance Traveled

EAL

Equivalent Axle Loading

EPA

Environmental Protection Agency

ESAL

Equivalent Single Axle Loading

FHWA

Federal Highway Administration

FIPS

Federal Information Processing Standards

GIS

Geographic Information System

GPS

Global Positioning System

GVW

Gross Vehicle Weight

HOD

Hour of Day

HPMS

Highway Performance Monitoring System

IRI

International Roughness Index

ISTEA

Intermodal Surface Transportation Efficiency Act (1991)

ITS

Intelligent Transportation System

KIPS

Kilopounds (thousands of pounds)

LRS

Linear Referencing System

LTBP

Long Term Bridge Performance

LTPP

Long Term Pavement Performance

LTTP

Long-Term Transportation Plan

MADT

Monthly Average Daily Traffic

MADTT

Monthly Average Daily Truck Traffic

MAF

Monthly Adjustment Factor

MAP-21

Moving Ahead for Progress in the 21^st Century Act (2012)

MAWKDT

Monthly Average Weekday Daily Traffic

MAWKDTT

Monthly Average Weekday Daily Truck Traffic

MAWKNDT

Monthly Average Weekend Daily Traffic

MOY

Month of Year

MPO

Metropolitan Planning Organization

NEPA

National Environmental Policy Act

NHPN

National Highway Planning Network

NHS

National Highway System

NIT

National Institute of Technology

NPS

National Park Service

OFE

Other Freeways and Expressways

OPA

Other Principal Arterial

PAS

Principal Arterial System

PHF

Peak Hour Factor

PMS

Pavement Management System

PSR

Present Serviceability Rating

PTR

Portable Traffic Recorder

RF

Radio Frequency

SADT

Seasonal Average Daily Traffic

SAWA

Steering Axle Weight Average

SHRP

Strategic Highway Research Program

TEA21

Transportation Equity Act for the 21^st Century

TMAS

Travel Monitoring Analysis System

TMG

Traffic Monitoring Guide

TVT

Travel Volume Trends

TWS

Truck Weight Study

UPACS

User Profile and Access Control System

VDT

Vehicle Distance Traveled

VMT

Vehicle Miles Traveled

VTRIS

Vehicle Travel Information System

WIM

Weigh-in-Motion