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Introduction

Welcome to the Washington Asphalt Pavement Association's Asphalt Pavement Guide.  This Guide will provide you with a general overview of hot mix asphalt (HMA) pavement from materials to design to construction to maintenance.  It is intended to assist those who work in any way with HMA pavement including architects, engineers, contractors, government agencies, private consultants, students, and homeowners. 

Figure 1: US 101 near Nemah Figure 2: May Creek Road near Index

The Washington Asphalt Pavement Association (WAPA) Asphalt Pavement Guide works as a stand alone document or as the Washington State companion to the National Asphalt Pavement Association's (NAPA) Guide for Hot Mix Asphalt Pavement CD-ROM.  Both the WAPA Guide and the NAPA Guide cover the same basic topics.  The NAPA Guide, a national publication,  provides more background and detailed information, while the WAPA Guide, a local Washington State publication, provides information and design recommendations specific to Washington State.
 

 

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