This interim report provides a summary of key points that are important to successful implementation of the asphalt rubber technology in Kentucky in accordance with ISTEA. Various asphalt rubber technologies are presented in this report along with their advantages and disadvantages. Issues related to structural design and construction are discussed. A variety of environmental issues such as: emissions, leachate and issues related to future recyclability are presented. Finally, criteria are recommended to be used for selection of future asphalt rubber projects in Kentucky.

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The contents of this report reflect the views of the authors who are responsible for the facts and accuracy of the data presented herein. The contents do not necessarily reflect the official views or policies of the Kentucky Transportation Cabinet, the Federal Highway Administration, nor of the University of Kentucky. This report does not constitute a standard, specification, or regulation. The inclusion of manufacturer names and trade names is for identification and is not to be considered as endorsement.