18-05: Alternative Methods for Deicing

Problem

The public’s increasing demands for higher levels of service and ice-free conditions are requiring agencies to apply greater amounts of chloride-based materials, which increases material, equipment and labor costs. State and local units of government are continually assessing the need to balance LOS goals with winter maintenance costs and the negative impacts winter maintenance materials can have on the environment.

Objective

The goal of this project is to help state DOTs and local transportation agencies better understand the performance, cost and environmental impacts of alternative deicing materials, and the application methods currently used in the field, and to compare the performance and impacts of alternative winter maintenance materials with chloride-based materials.

Expected Results

Clear Roads is seeking case studies and recommendations that will lead to a future project that uses results of this project to identify and conduct the testing and analysis needed to develop research-based best practices for the use of alternative deicing materials that achieve comparable snow melt and can be used in place of or to supplement chloride-based materials.

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