Pavement Guide

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.

Modern on-line tools are available for pavement structural design calculations once the general principals HMA design and construction are understood.