500-Series Data Reporting Guidebook

Appendix B. Acronyms and Abbreviations

ASTM - American Society for Testing and Materials

ATV - all-terrain vehicle

CDL - commercial driver license

CFR - Code of Federal Regulations

CNG - compressed natural gas

DMV - Department of Motor Vehicles

DOT - Department of Transportation

DWI - driving while intoxicated

FASH - Financial Analysis System for Highways

FHWA - Federal Highway Administration

FMCSA - Federal Motor Carrier Safety Administration

GVW - gross vehicle weight

HPPI - Office of Highway Policy Information

HSS - Highway Statistics Series

HTF - Highway Trust Fund

IFTA - International Fuel Tax Agreement

IRP - International Registration Plan

LNG - liquefied natural gas

LPG - liquified petroleum gas

NHS - National Highway System

SPR - State Planning and Research Program