While previous research has been done in this area, gaps in knowledge existed and further investigation was needed to identify the most effective materials, equipment and methods for pre-wetting.
This project’s goal was to create a compilation of relevant recent knowledge, data and guidance, as well as detailed descriptions of current national and international agency practices regarding on-board pre-wetting of solids, specifically focusing on the areas of materials, equipment and methods (including application rates and vehicle speed).
This compilation provides guidance to transportation agencies seeking to effectively employ the practice of pre-wetting of solid materials in their winter highway maintenance protocols. A Phase II project is planned, which will combine the results of both phases to produce a comprehensive guide to pre-wetting.
The Final Webinar took place on June 10, 2021.
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