Special Reports Reports are the primary result of most research projects. Select below to read .pdf versions of Special Reports. These reports were written  between 1989 and 1997. Reports that are exceptionally large are broken into several parts. The link will take you to the cover, select the bookmarks tab to see the list of all parts. You will have to download each part individually to have a copy. Printed copies of reports are available in the ATRC Library.   8902 The History, Development and Performance of Asphalt Rubber at ADOT 9001 Variability in Estimation of Structural Capacity of Existing Pavements                from Falling Weight Deflectometer Data 9101 A Review of the Dragnet Vehicle Arresting System                as Applied to Runaway Truck Escape Ramps 9102 A Half Century with the California Profilograph 9103 Inventory of Special Facilities for Highway Research in Arizona 9202 Small Sign Support Investigation 9204 Analysis of Arizona Arrestor Bed Performance 9301 Pavement Network Optimization and Implementation 9302 Evaluation of Initial Pavement Smoothness                for the Development of PCCP Construction Specifications 9303 Construction Report for Crash Cushion Attenuating Terminal 9304 Review of Retroreflective Sign Sheeting Materials, Practices and Policies 9403 Performance Evaluation of Portland Cement Concrete Pavement Joint Sealants 9603 A Study of the Relationship between Left Turn Accidents and Driver Age in Arizona 9701 RHODES - ITMS 9702 Expert Project Recommendation Procedure for ADOT's Pavement Management System Documents are posted as they become available in PDF format, which requires Adobe Reader to view.