Office of Highway Policy Information
March 2013

Field Manual
Appendix A. Acronyms

AADT

Annual Average Daily Traffic

AADTT

Annual Average Daily Truck Traffic

AASHTO

American Association of State Highway Transportation Officials

AC

Asphalt-Concrete

ASTM

American Society of Testing and Materials

ATR

Automated Traffic Recorder

AVC

Automatic Vehicle Classification

CAA

Clean Air Act

CFR

Code of Federal Regulations

Col

Collector

COP

Community of Practice

CRCP

Continuously Reinforced Concrete Pavement

CSV

Comma Separated Value

DOT

Department of Transportation

DVMT

Daily Vehicle-Miles of Travel

EPA

Environmental Protection Agency

FC

Functional Classification

FE

Full Extent

FE + R

Full Extent including Ramps

FHWA

Federal Highway Administration

FIPS

Federal Information Processing Standards

GIS

Geographic Information System

GML

Geography Markup Language

HERS

Highway Economic Requirements System

HCM

Highway Capacity Manual

HOT

High Occupancy Toll

HOV

High Occupancy Vehicle

HPMS

Highway Performance Monitoring System

Int

Interstate

IRI

International Roughness Index

ITS

Intelligent Transportation Systems

JPCP

Jointed Plain Concrete Pavement

JRCP

Jointed Reinforced Concrete Pavement

Loc

Local

LRS

Linear Referencing System

LTPP

Long Term Pavement Performance

MA

Minor Arterial

MaC

Major Collector

MiC

Minor Collector

MPO

Metropolitan Planning Organization

MRI

Mean Roughness Index

NAAQS

National Ambient Air Quality Standards

NBI

National Bridge Inventory

NHS

National Highway System

NN

National Freight Network

OFE

Other Freeways and Expressways

OGC

Open Geospatial Consortium

OPA

Other Principal Arterial

PAS

Principal Arterial System

PCC

Portland Concrete Cement

PK

Primary Key

PMS

Pavement Management System

PSR

Present Serviceability Rating

SHA

State Highway Agency/Administration

SHRP

Strategic Highway Research Program

SP

Sample Panel

STRAHNET

Strategic Highway Network

TEA-21

Transportation Equity Act for the 21st Century

TMG

Traffic Monitoring Guide

TOPS

Table of Potential Samples

UK

Unique Key

U.S.C.

United States Code

VMT

Vehicle Miles of Travel

VPI

Vertical Point of Intersection

WBT

Well Known Binary

WDS

Weighted Design Speed

WIM

Weigh-in-Motion

WKT

Well Known Text

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