Download or read book Enhancements for the Special Products Evaluation List written by Leslie Katherine Pourteau and published by . This book was released on 1999 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes the background of NCHRP Research Project 20-7(80), Enhancements for the Special Products evaluation list, and discusses the procedures involved in maintaining the AASHTO product evaluation databases and web site. It provides a listing of the paper and electronic files compiled in the course of the project and makes recommendations for the continuation of project.